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A


Ozgur Aslan

 

C.C. Report: Design of psychrometric room data acquisition system
Degree/ Year:  M.S. Mechanical Engineering, 2010.

Trey Austin

Trey with wife Dusti at graduation, 1998

 

Current Position:  

Geo-Energy Services, www.geoenergyservices.com

Thesis:  

Development of an In Situ System for Measuring Ground Thermal Properties.  

Degree/Year: 

M.S. Mechanical Engineering, 1998.
Papers: Austin, W., C. Yavuzturk, and J.D. Spitler. 2000. Development Of An In-Situ System For Measuring Ground Thermal Properties. ASHRAE Transactions 106(1):365-379.  

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B


Amit Bhansali

     

Project:  

EnergyPlus Core Development
Thesis: Development and Analysis of Model Based Economizer Strategies
Degree/Year:  M.S. Mechanical Engineering, 2009

Manish Bhargava 

C.C. Report: Enhancements to the Ground Loop Heat Exchanger Design Program
Degree/ Year:  M.S. Mechanical Engineering, 1998.

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C


Richard Castelino

   
Email richcastelino@hotmail.com  

Current Position:  

Independent SAP Consultant

Thesis:  

Implementation of the Revised Transfer Function Method and Evaluation of the CLTD/SCL/CLF Method. 

Degree/Year: 

M.S. Mechanical Engineering, 1992.

Ramprasad Chandrasekharan

Email:  ramprasad.chandrasekharan@okstate.edu
Project: Modeling Phase Change Materials in a Whole Building Energy Simulation
 Degree/Year: M.S. Mechanical Engineering, 2012

 

Chanvit Chantrasrisalai

Email ch_chanvit@hotmail.com

Thesis:  

Optical and Thermal Fenestration Models for Building Cooling Load Calculations.

Degree/Year:  Ph.D. Mechanical Engineering, 2007.

Papers:

Chantrasrisalai, C., and D.E. Fisher, 2006. An In Situ Experimental Method for the Development and Validation of Slat-Type Blind Models in Cooling Load Calculations. ASME Transactions, Journal of Solar Energy Engineering 128:189-198.

 

Chantrasrisalai, C., and D.E. Fisher. 2004. Comparative Analysis of One-Dimensional Slat-Type Blind Models. Proceedings of the SimBuild 2004 Conference, August 4-6, Boulder, Colorado. BPSA-USA.

 

Chantrasrisalai, C., V. Ghatti, D.E. Fisher, and D.G. Scheatzle. 2003. Experimental   Validation of the EnergyPlus Low-Temperature Radiant Simulation. ASHRAE Transactions 109(2):614-623.

 

Iu, I.S., D.E. Fisher, C. Chantrasrisalai, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Radiant Time Series Method. ASHRAE Transactions 109(2):139-150.

 

Eldridge, D., D.E. Fisher, I.S. Iu, and C. Chantrasrisalai. 2003. Experimental Validation of Design Cooling Load Procedures: Facility Design. ASHRAE Transactions 109(2):151-159.

 

Chantrasrisalai, C., D.E. Fisher, I.S. Iu, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Heat Balance MethodASHRAE Transactions 109(2):160-173.

 
 
 
 
 
 
 
 
 
 
 
 

Xin Chen 

 

Email cxin@yahoo.com

Current Position:  

Application Developer - Alltel

Thesis:  

Addition of Annual Building Energy Analysis Capability to a Design Load Calculation Program 

Degree/Year: 

M.S. Mechanical Engineering, 1996.

Andrew Chiasson 

Email:  chaissoa@oit.edu
Current Position:  Research Associate, Oregon Institute of Technology  http://geoheat.oit.edu
Thesis:  Advances in Modeling of Ground-Source Heat Pump Systems
Degree/Year:  M.S. Mechanical Engineering, 1999.
Papers:

Orio, C.D., C.N. Johnson, S.J. Rees, A. Chiasson, Z. Deng, and J.D. Spitler. 2005. A Survey of Standing Column Well Installations in North America. ASHRAE Transactions 111(2):109-121.

 

Chiasson, A., and J.D. Spitler. 2001. Modeling Approach to Design of a Ground-Source Heat Pump Bridge Deck Heating System. Transportation Research Record  17(41):207-215.

 

Ramamoorthy, M. H. Jin, A. Chiasson, and J.D. Spitler.  2001. Optimal Sizing of Hybrid Ground-Source Heat Pump Systems that use a Cooling Pond as a Supplemental Heat Rejecter – A System Simulation Approach. ASHRAE Transactions 107(1):26-38.

 

Chiasson, A.D., J.D. Spitler, S.J. Rees, and M.D. Smith. 2000. A Model For Simulating The Performance Of A Shallow Pond As A Supplemental Heat Rejecter With Closed-Loop Ground-Source Heat Pump SystemsASHRAE Transactions 106(2):107-121.

 

Chiasson A.D., J.D. Spitler, S.J. Rees, and M.D. Smith.  2000. A Model for Simulating the Performance of a Pavement Heating System as a Supplemental Heat Rejecter With Closed-Loop Ground-Source Heat Pump Systems. ASME Journal of Solar Energy Engineering 122:183-191.

 

Chiasson, A., S.J. Rees, and J.D Spitler.  2000. A Preliminary Assessment of the effects of Ground-water Flow on Closed-Loop Ground-Source Heat Pump Systems. ASHRAE Transactions 106(1):380-393.

 

Chiasson, A., and J.D. Spitler.  2000. A Modeling Approach To Design Of A Ground-Source Heat Pump Bridge Deck Heating System.  Proceedings of the 5th International Symposium on Snow Removal and Ice Control Technology, September 5-8, Roanoke, VA.

 
 
 
 
 
 
 
 
 
 
 
 

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D


Sani Daher  

 

Thesis:  Integrating a Ground Loop Heat Exchanger Into a Building Simulation Program 
Degree/Year:  M.S. Mechanical Engineering, 1996.

Vivek Dalvi

C.C. Report: Development of Hvac Load Explorer V1.0 and User’s Guide
Degree/Year:  M.S. Mechanical Engineering, 1999.

Zheng Deng

 

Email:  zhdeng09@hotmail.com
Current Position:   United Technologies Research Center 
Thesis:   Modeling of Standing Column Wells in Ground Source Heat Pump Systems 
Degree/Year: Ph.D. Mechanical Engineering, 2004.
Papers:  

O’Neill, Z. D., and J. D. Spitler. 2006. Performance Analysis of Single U-tube and Standing Column Well Ground Heat Exchangers. ASHRAE Transactions 112(2): 633-643.

 

O’Neill, Z. D., and J. D. Spitler. Modeling of Standing Column Wells in Ground Source Heat Pump Systems. The 10th International Conference on Thermal Energy Storage, May 31-June 2. Richard Stockton College, New Jersey.

 

Deng, Z., S. J. Rees, and J. D. Spitler. 2005.

A Model for Annual Simulation of Standing Column Well Ground Heat Exchangers. HVAC&R Research 11(4):637-655.

 

Orio, C.D., C.N. Johnson, S.J. Rees, A. Chiasson, Z. Deng, and J.D. Spitler. 2005. A Survey of Standing Column Well Installations in North America. ASHRAE Transactions 111(2):109-121.

 

Rees, S.J., J.D. Spitler, Z. Deng, C.D. Orio, and C.N. Johnson. 2004. A Study Of Geothermal Heat Pump And Standing Column Well Performance. ASHRAE Transactions 110(1):3-13.  

 
 
 
 
 
 
 
 
 
 
 

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E


David Eldridge

 

Current Position: Grumman Butkus, www.grummanbutkus.com
Thesis: Design of an Experimental Facility for the Validation of Cooling Load Calculation Procedures
Degree/Year: M.S. Mechanical Engineering, 2007.
Papers:

Iu, I.S., D.E. Fisher, C. Chantrasrisalai, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Radiant Time Series Method. ASHRAE Transactions 109(2):139-150.

 

Eldridge, D., D.E. Fisher, I.S. Iu, and C. Chantrasrisalai. 2003. Experimental Validation of Design Cooling Load Procedures: Facility Design. ASHRAE Transactions 109(2):151-159.

 

Chantrasrisalai, C., D.E. Fisher, I.S. Iu, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Heat Balance MethodASHRAE Transactions 109(2):160-173.

 
 
 
 
 
 

Mohammad A. Elyyan

 

Current Position:  Ph.D. Candidate - Virginia Tech University
Thesis: Design of an Experimental Facility For Building Airflow and Heat Transfer Measurements  
Degree/Year:  M.S. Mechanical Engineering, 2005.

Diego Espin

 

Current Position:  BP Norge AS, Stavanger, Norway
Thesis:  Experimental and Computational Investigation of Snow Melting on a Hydronically Heated Concrete Slab 
Degree/Year:   M.S. Mechanical Engineering, 2003.

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F


Xuefei Feng 

Xuefei with husband Ning at their wedding, 1999

 

Current Position:  CDM Inc., www.cdm.com
Thesis: Energy Analysis of BOK Building 
Degree/Year: M.S. in Mechanical Engineering, 1999.

Jeff Ferguson 

Jeff with wife Amy and children

 

Current Position:   Centergy LLC
Thesis: A Full Scale Room for the Experimental Study of Interior Building Convective Heat Transfer 
Degree/Year:   M.S. Mechanical Engineering, 1997.

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G


Jason Gentry

 

Email:  utm_engineering@yahoo.com
Current Position:   Mid-State Construction
Thesis: Simulation and Validation of Hybrid Ground Source and Water-Loop Heat Pump Systems
Degree/Year: M.S. Mechanical Engineering, 2007.
Papers:

Gentry, J.E., J.D. Spitler, D.E. Fisher, and X. Xu. 2006. Simulation of Hybrid Ground Source Heat Pump Systems and Experimental Validation.  Proceedings of The7th International Conference on System Simulation in Buildings, December 11-13. Liège, Belgium.

 

Gentry, J.E., R.A. LeMaster, and J.D. Sterrett. 2005. Thermal and cost-benefit analysis of a geothermal pilot project at a Northwest Tennessee correctional facility. 8th International Energy Agency Heat Pump Conference, May 30-June 2.  Las Vegas.

 

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H


Xiang He

Email: 

xiang.he@okstate.edu

Project: EnergyPlus Core Development
Degree/ Year:  M.S. Mechanical Engineering, 2012

Rajesh Hegde  

C.C. Report: Development of Surrogate Bridge Freezing Capacitor Sensors and Control Circuit
Degree/ Year:  M.S. Mechanical Engineering, 2000.

Garrett Hansen

 

Project: ATRC building psycrometric chamber data acquisition system design and Labview coding.
Degree/Year: M.S. Mechanical Engineering, 2011

Shawn Hern

 

Email:  shhern@yahoo.com 
Current Position:  ClimateMaster
Thesis:  Design of an Experimental Facility for Hybrid Ground Source Heat Pump Systems
Degree/Year:   M.S. Mechanical Engineering, 2004

Sam Hobson

 

 

Email:  sam.hobson@okstate.edu
Project:  Psychrometric Room
Degree/Year M.S. Mechanical Engineering, 2008

Sean Hockersmith

 

Email:  hckrsmth@yahoo.com
Thesis:  Experimental and Computational Investigation of Snow Melting on Heated Horizontal Surfaces 
Degree/Year:  M.S. Mechanical Engineering, 2002

Tommy Hong

 

Project: ATRAC building psychrometric chamber data acquisition system design and Labview coding.
Degree/Year: M.S. Mechanical Engineering, 2011

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I


Calvin (Ip-Seng) Iu

 

Email:  calviniu@yahoo.com 
Current Position:  Johnson Controls Inc. www.jci.com
Thesis: 

Development of air-to-air heat pump simulation program with advanced heat exchanger circuitry algorithm (Ph.D Thesis).

 

Experimental Validation of the Radiant Time Series Method for Cooling Load Calculations (M.S. Thesis).

Degree/Year:

Ph.D. Mechanical Engineering, 2007.

M.S. Mechanical Engineering, 2002.

Papers:

Iu, I., N.A. Weber, P.K. Bansal, D.E. Fisher. 2007. Applying the effectiveness-NTU method to the elemental heat exchanger models. ASHRAE transactions 113(1):504-513.

 

Iu, I., and D. Fisher. 2004. Application of Conduction Transfer Functions and Periodic Response Factors in Cooing Load Calculation Procedures. ASHRAE Transactions 110(2):829-841.

 

Iu, I., P.K. Bansal, S.J. Rees, D.E. Fisher, N.A. Weber, and J.D. Spitler. 2003. Energy efficiency analysis of a unitary heat pump system. Proc. of International Conference on Building Systems and Facilities Management - Integrating Innovations and Technologies for a Built Environment, Singapore.

 

Iu, I.S., D.E. Fisher, C. Chantrasrisalai, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Radiant Time Series Method. ASHRAE Transactions 109(2):139-150.

 

Eldridge, D., D.E. Fisher, I.S. Iu, and C. Chantrasrisalai. 2003. Experimental Validation of Design Cooling Load Procedures: Facility Design. ASHRAE Transactions 109(2):151-159.

 

Chantrasrisalai, C., D.E. Fisher, I.S. Iu, and D. Eldridge. 2003. Experimental Validation of Design Cooling Load Procedures: The Heat Balance Method. ASHRAE Transactions 109(2):160-173.

 
 
 
 
 
 
 
 
 
 
 
 
 

Anand Iyer    

C.C. Report:

Enhancement of the Generic Database Library Environment for Engineering Applications and Its Implementations for HVAC Load Explorer

Degree/ Year: M.S. Mechanical Engineering, 1999.

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J


Nagendra Jain     

Thesis:  Parameter Estimation of Ground Thermal Properties  
Degree/ Year:   M.S. Mechanical Engineering, 1999.

Srdjan Jankovic      

Email:  sergiowu1@yahoo.com
Current Position:   Benham Companies
Thesis:  Surrogate Bridge Freezing Sensors
Degree/ Year:   M.S. Mechanical Engineering, 2000.

Hui Jin

Jin and wife, Pony, at graduation on December 13, 2002

 

Email:  jinhuic@hotmail.com
Thesis:  Parameter Estimation Based Models of Water Source Heat Pumps
Degree/ Year:  Ph.D. Mechanical Engineering, 2002
Papers:

Jin, H. and J.D. Spitler. 2002. Parameter Estimation Based Model of Water-to-Water Heat Pumps with Scroll Compressors and Water/Glycol Solutions. The 6th International Conference on System Simulation in Buildings, December 16-18. Liége, Belgium. 

 

Jin, H., and J.D. Spitler. 2002. A Parameter Estimation Based Model of Water-To-Water Heat Pumps for use in Energy Calculation Programs. ASHRAE Transactions 108(1):3-17.

 

Ramamoorthy, M. H. Jin, A. Chiasson, and J.D. Spitler. 2001. Optimal Sizing of Hybrid Ground-Source Heat Pump Systems that use a Cooling Pond as a Supplemental Heat Rejecter – A System Simulation Approach.  ASHRAE Transactions 107(1):26-38.

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K


Bharath Krishna Karambakkam

 

Project:  Transient Conduction Heat Transfer in Two-Dimensional and Heavy One-Dimensional Walls
C.C. Report: Transient Conduction Heat Transfer in Two-Dimensional and Heavy One-Dimensional Walls
Degree/Year:   M.S. Mechanical Engineering, 2004
Papers: 

Karambakkam, B.K., B. Nigusse, and J. D. Spitler. 2005. A One-dimensional Approximation for Transient Multi-dimensional Conduction Heat Transfer in Building Envelopes. Nordic Building Physics Conference, June 13-15. Reykjavik.

 
 

Muhammad Haider Khan

 

Email: muhammadhaiderkhan@hotmail.com
Current Position: Associate, ICF International, Fairfax, VA.
Thesis: Modeling, Simulation and Optimization of Ground Source Heat Pump Systems 
Degree/Year:  M.S. Mechanical Engineering, 2004
Papers: 

Khan, M.H., and J.D. Spitler. 2004. Performance Analysis of a Residential Ground Source Heat Pump System with Antifreeze SolutionProceedings of SimBuild 2004, August 4-6. Boulder, Colorado.

 

Khan, M.H., A. Varanasi, J.D. Spitler, D.E. Fisher, and R.D. Delahoussaye. 2003. Hybrid Ground Source Heat Pump System Simulation Using Visual Modeling Tool For Hvacsim+. Proceedings of Building Simulation 2003, August 11-14, Eindhoven, Netherlands, pp. 641-648.

 
 
 
 
 

Taecheol Kim      

Email:   taecheol@hotmail.com
Thesis Optimum Duct Design for Variable Air Volume Systems  
Degree/Year:  Ph.D. Mechanical Engineering, 2001.
Papers:

Kim, T., J.D. Spitler, and R.D. Delahoussaye. 2002. Optimum Duct Design for Variable Air  Volume  Systems, Part 1:  Problem Domain Analysis of VAV Duct  Systems. ASHRAE Transactions 108(1):96-104.

 

Kim, T., J.D. Spitler, and R.D. Delahoussaye. 2002. Optimum Duct Design for Variable Air  Volume  Systems, Part 2:  Optimization  of  VAV  Duct  Systems. ASHRAE Transactions 108(1):105-127.

 
 
 
 


Weixiu Kong

 

Email: weixiuk@yahoo.com     
Projects:  Internal Convective Heat Transfer in Rooms
Thesis: A Convective Heat Transfer Model for Simulation of Rooms with Attached Wall Jets
Degree/Year:  Ph.D. Mechanical Engineering, 2006

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L


Michael Largent

 

Project:   Modelling of Solar Collectors in HVACSim+
C.C. Report: Modeling Flat Plate Solar Collectors in HVACSIM+ and the Development of an Integrated Weather File Reader
Degree/Year:   M.S. Mechanical Engineering, 2007

Spencer Lifferth

 

Project:  

ATRC building psychrometric chamber data acquisition system design and Labview coding.

Thesis:

Design and Construction of a New Psychrometric Chamber.
Degree/Year:   M.S. Mechanical Engineering, 2009.

Ellisa Lim

 

Project: Fouling performance in cooling tower applications
Degree/ Year:  M.S. Mechanical Engineering, 2010.

K. Lindsey    

C.C. Report: Revision of the CLTD/CLF Cooling Load Calculation Method.
Degree/ Year:   M.S. Mechanical Engineering, 1991.

Xiaobing Liu

 

Email:  xiaobing_liu@hotmail.com
Current Position Oak Ridge National Laboratory
Thesis Development and Experimental Validation of Simulation of Hydronic Snow Melting Systems For Bridges
Degree/Year: Ph.D. Mechanical Engineering, 2005.
Papers:  

Liu, X., S.J. Rees, and J.D. Spitler. 2007. Modeling Snow Melting on Heated Pavement Surfaces Part I: Model Development. Journal of Applied Thermal Engineering 27:1115-1124.

 

Liu, X., S.J. Rees, and J.D. Spitler. 2007. Modeling Snow Melting on Heated Pavement Surfaces Part II: Experimental Validation. Journal of Applied Thermal Engineering 27:1125-1131.

 

Spitler, J.D., X. Liu, S.J. Rees, and C. Yavuzturk. 2005. Simulation and Optimization of Ground Source Heat Pump Systems. 8th International Energy Agency Heat Pump Conference, May 30-June 2. Las Vegas.

 

Liu, X., and J.D. Spitler. 2004. A Simulation Tool for the Design of the Hydronic Bridge Snow Melting System. Proceedings of the12th International Road Weather Conference, June 16-18, Bingen (on Rhine), Germany.

 

Liu, X., and J.D. Spitler. 2004. Simulation Based Investigation on the Design of Hydronic Snow Melting System. Proceedings of the Transportation Research Board 83rd Annual Meeting, January 11-15, Washington, D.C.  

Liu, X., S.J. Rees, and J.D. Spitler. 2003. Simulation of a Geothermal Bridge Deck Anti-icing System and Experimental Validation. Proceedings of the Transportation Research Board 82nd Annual Meeting, January 12-16, Washington, D.C. 

 

Spitler, J.D., X. Liu, S.J. Rees, and C. Yavuzturk. 2003. Simulation and Design of Ground Source Heat Pump Systems. Journal of Shandong University of Architecture and Engineering 18(1):1-10.

 
 
 
 
 
 
 
 
 
 
 

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M


Veera Malayappan

Email:  veeram@okstate.edu
Project:

 Modeling of Borehole Heat Exchanger Fields Used With GSHP Systems

 Papers:

Malayappan, V. and J. D. Spitler (2013). Limitations of Using Uniform Heat Flux Assumptions in Sizing Vertical Borehole Heat Exchanger Fields. Proceedings of Clima 2013, Prague, Czech Republic.

Degree/ Year:   M.S. Mechanical Engineering, 2012.

Arunachalar Manicham    

C.C. Report: Enhancements to a Windows Based Program for Design of Ground Loop Heat Exchangers
Degree/ Year:   M.S. Mechanical Engineering, 1996.

Ehsan Moallem

 

Email:  moallem@okstate.edu

Project:

OCAST project in Air Flow Lab
Papers: Moallem, E., Cremaschi, L., Fisher, D., E., and Padhmanahbhan, S., 2012, Experimental measurements of the surface coating and water retention effects on frosting performance of microchannel heat exchangers for heat pump systems, Experimental Thermal and Fluid Science Journal, 39, p1760188, doi:10.1016/j.expthermflusci.2012.01.022

Moallem, E., S. Padhmanabhan, L.Cremaschi, and D. E. Fisher. 2011. Effect of Surface Coating on Frosting Performance of Microchannel Heat Exchangers for Heat Pump Systems, International Conference on Air Conditioning & Refrigeration (ICACR), Korea 2011, July 6-8

Moallem, E., L. Cremaschi, and D.E Fisher. 2010. Experimental Investigation of Frost Growth on Microchannel Heat Exchangers. 13th International Refrigeration and Air Conditioning Conference, West Lafayette, IN, USA, July 12-15.

Moallem E., S. Padhmanabhan, L. Cremaschi, and D.E. Fisher. 2010. Experimental study of onset and growth of frost on outdoor coils of air-source heat pumps. Proc. of ASME-ATI-UIT 2010 Conference on Thermal and Environmental Issues in Energy Systems, Sorrento, Italy, May 16-19.

Shokouhmand, H., and Moallem E., 2005. Blowing supply air directly into an ice storage for cold air distribution. Proceedings of the 2nd International Exergy, Energy, and Environment Symposium (IEEES 2), 3-7 July, Kos, Greece.

 

Degree/ Year:  Ph.D. Mechanical Engineering, 2012.

Swanand Mokashi

C.C. Report: Implementation of Loads Direct to the Ground Loop Heat Exchanger in GLHEPRO Version 3.0
Degree/ Year:   M.S. Mechanical Engineering, 1999.

Arun Murugappan      


Dam Nguyen     

Thesis: Non-Azeotropic Refrigerant Mixture (NARM) Vapor Compression Cycles
Degree/ Year:  Ph.D. Mechanical Engineering, 1992.

Bereket Nigusse

 

Project: Cooling Load Calculation Procedures 
Thesis: Improvements to the Radiant Time Series Method Cooling Load Calculation Procedure
Degree/ Year:  Ph.D. Mechanical Engineering, 2007
Papers:  Karambakkam, B.K., B. Nigusse, and J. D. Spitler. 2005. A One-dimensional Approximation for Transient Multi-dimensional Conduction Heat Transfer in Building Envelopes. Nordic Building Physics Conference, June 13-15,  Reykjavik.
 
Award: 2006-2007 The Homer Addams Award

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O


Emre Ozdemir

 

Project: 

Frost Development in Micro-channel Heat Exchangers

Thesis:

Thermal Performance Comparison between Micro-channel and Round Tube Heat Exchangers
Degree/Year:   M.S. Mechanical Engineering, 2009

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P


Sankaranarayanan K. Padhmanabhan.

Project: Frosting on Microchannel Coils / OCAST
Degree/Year: M.S. Mechanical Engineering, 2004
Papers:

 Moallem, E., Cremaschi, L., Fisher, D.E., Padhmanabhan, S. K. 2012. Experimental measurements of the surface coating and water retention effects on frosting performance of microchannel heat exchangers for heat pump systems. In Press. Experimental Thermal & Fluid Science.

Padhmanabhan, S. K., Fisher, D.E., Cremaschi, L., Moallem, E. 2011. Modeling non-uniform frost growth on a fin-and-tube heat exchanger. International Journal of Refrigeration 34(8), pp: 2018-2030.

Padhmanabhan, S. K., Cremaschi, L., Fisher, D.E. 2011. Comparison of frost and defrost performance between microchannel coil and fin-and-tube coil for heat pump systems. International Journal of Air-Conditioning and Refrigeration 19(4), pp: 273-284.

Moallem, E., Padhmanabhan, S. K., Cremaschi, L., Fisher, D.E. 2011. Experimental investigation of the surface temperature and water retention effects on the frosting performance of a compact microchannel heat exchanger for heat pump systems. International Journal of Refrigeration 35(1), pp: 171-186.

Cremaschi, L., Moallem, E., Fisher, D. E., Hong, T., Padhmanabhan, S. 2012. Frosting Performance of Fin-and-Tube Evaporators with Small Copper Tubes Diameter. To be included in Proc. of 14th International Refrigeration  nd Air Conditioning Conference at Purdue, West Lafayette, IN, USA.

Moallem, E., Padhmanabhan, S., Cremaschi, L. and Fisher, D. E. 2011. Effect of Surface Coating on Frosting Performance of Microchannel Heat Exchangers for Heat Pump Systems, Proc. of International Conference on Air-Conditioning & Refrigeration 2011, Gangwon-Do, Korea.

Padhmanabhan, S. K. 2010.  Study of Frost Growth on Heat Exchangers  Used as Outdoor Coils in Air Source Heat Pump Systems. Ph.D Dissertation, Oklahoma State University.

Moallem E., S. Padhmanabhan, L. Cremaschi, and D.E. Fisher. 2010. Experimental study of onset and growth of frost on outdoor coils of air-source heat pumps. Proc. of ASME-ATI-UIT 2010 Conference on Thermal and Environmental Issues in Energy Systems, Sorrento, Italy. May 16-19.

Padhmanabhan, S., D.E. Fisher, and L. Cremaschi. 2010. Incorporating a Frost Growth Model with Segment by Segment Heat Exchanger Simulation – Application to Microchannel Heat Exchanger. 13th International Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, USA. July 12-15.

Padhmanabhan S., D.E. Fisher, and L. Cremaschi. 2010. A scaling approach for predicting frost growth in a heat exchanger – application to fin-tube coil. Proc. of ASME-ATI-UIT 2010 Conference on Thermal and Environmental Issues in Energy Systems, Sorrento, Italy. May 16-19.

Padhmanabhan, S., L. Cremaschi, D. Fisher, and J. Knight. 2008. Comparison of Frost and Defrost Performance between Microchannel Coil and Fin-and-Tube Coil For Heat Pump Systems. Proceedings of 12th International Refrigeration and Air Conditioning Conference, Purdue University, West Lafayette, IN.

Fisher, D.E., A. Murugappan, S.K. Padhmanabhan, and S.J. Rees. 2006. Implementation and Validation of Ground-Source Heat Pump System Models in an Integrated Building and System Simulation Environment. HVAC&R Research 12(3a):693-710.


Sunilsen Peramanu

 

Current Position:  Jordan, Jones & Goulding, Inc., www.jjg.com
Thesis: Infiltration and Interzone Airflow Modeling for Building Energy Analysis.
Degree/Year:  M.S. Mechanical Engineering, 1992.

Kaustubh Phalak

Email: kaustubh.phalak@okstate.edu
Degree/Year: M.S. Mechanical Engineering, 2011

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R


Mahadevan Ramamoorthy

 

Email:   mahadevan_r@hotmail.com
Current Position:  Staff Engineer, Proto-Power Corporation 
Thesis:  Applications of Hybrid Ground Source Heat Pump Systems to Buildings and Bridge Decks   
Degree/Year:   M.S. Mechanical Engineering, 2001.
Papers: 

Ramamoorthy, M. H. Jin, A. Chiasson, and J.D. Spitler.  2001. Optimal Sizing of Hybrid Ground-Source Heat Pump Systems that use a Cooling Pond as a Supplemental Heat Rejecter – A System Simulation Approach.  ASHRAE Transactions. 107(1):26-38.

 

Spitler, J.D., and M. Ramamoorthy. 2000. Bridge Deck Deicing using Geothermal Heat Pumps. Proceedings of the Fourth International Heat Pumps in Cold Climates Conference, August 17-18. Aylmer, Québec.

 
 
 
 

Michael Ramey 

 

Email:  mike.ramey@gm.com
Current Position:   Engineering Analyst - General Motors
Thesis:  Application of Computational Fluid Dynamics to Indoor Room Airflow 
Degree/Year:  M.S. Mechanical Engineering, 1994.

Roshan N. Revankar 

Email:  roshan.revankar@okstate.edu
Project: Development of design tools for surface water heat pump systems.
Degree/Year:  M.S. Mechanical Engineering, 2012.

 

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S


Scott Sanders 

 

Thesis:  An Experimental Facility for Studying Convective Heat Transfer in Buildings 
Degree/Year:  M.S. Mechanical Engineering, 1995.

Sandeep Sethi

 

Email:  imndnking@yahoo.com
Current Position: Director-Service, Asia Pacific, Johnson Controls, Inc.  www.jci.com
Project A Study of Validation Techniques of Energy Analysis Simulation Software.
C.C. Report: A Study of Validation Techniques of Energy Analysis Simulation Software.
Degree/Year:  M.S. Mechanical Engineering, 1994.

Chandan Sharma 

Thesis Development of dry and evaporative fluid cooler models for EnergyPlus
Degree/ Year:  M.S. Mechanical Engineering, 2009.

Arun Shenoy

 

Email:    arunvignesh22@rediffmail.com 
Current Position:   ClimateMaster
Thesis:  Simulation, Modeling and  Analysis of a Water to Air Heat Pump
Degree/Year:   M.S. Mechanical Engineering, 2004.

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Kenneth (Chih-Chien) Tang

 

Current Position:  Black & Veatch
Thesis:  Modeling Packaged Heat Pumps In A Quasi-Steady State Energy Simulation Program 
Degree/Year:  M.S. Mechanical Engineering, 2005

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Aditya Varanasi 

Thesis Development Of A Visual Tool For HVACSIM+
Degree/ Year:  M.S. Mechanical Engineering, 2002.

Sethupathy Vasudeva     

Thesis: Implementation of Generic Database Environment for GLHEPRO
Degree/ Year:  M.S. Mechanical Engineering, 1998.

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Ojas Wadivkar

Email:    ojas.s.wadivkar@jci.com
Current Position:   Lead Project Development Engineer, Johnson Controls, Inc., Los Angeles
Thesis:  An Experimental and Numerical Study of the Thermal Performance of a Bridge Deck De-Icing System 
Degree/Year:   M.S. Mechanical Engineering, 1997.

A. Waheed   

C.C. Report: Computer Aided Design and Analysis of Close Looped Piping Systems
Degree/ Year:  M.S. Mechanical Engineering, 1992.

Chris (Nan) Wang

 

 

Email: chriswangwwj@gmail.com
Project: IEA Annex Barracks and Office ECMs validation and implementation
C.C. Report: Simulation Assessment of Evaporative Cooler Control Strategies.
Degree/Year: M.S. Mechanical Engineering, 2008.

Fan Wang

Thesis: Computer Aided Optimal Design of Duct System Using Simulated Annealing
Degree/ Year:  M.S. Mechanical Engineering, 1991.

 

Jim Weathers 

Current Position:  Environmental Engineer - Koch Refining Company 
Thesis:  A Study of Computational Fluid Dynamics Applied to Room Air Flow
Degree/Year:  M.S. Mechanical Engineering, 1992

Nathan Weber

 

Email:  Nathan_A_Weber@yahoo.com
Current Position: York International
Thesis:   Performance Effects of Air Velocity Profiles in a Residential Heat Pump
Degree/Year:  M.S. Mechanical Engineering 2003
Paper:  Iu, I., P.K. Bansal, S.J. Rees, D.E. Fisher, N.A. Weber, and J.D. Spitler. 2003. Energy efficiency analysis of a unitary heat pump system. Proc. of International Conference on Building Systems and Facilities Management - Integrating Innovations and Technologies for a Built Environment, Singapore.
 
 

Barry A. Wilson

Current Position: General Electric Aviation, Turbine Blade Cooling Group
Thesis:

Experimental Measurement of Radiation Heat Transfer from Complex Fenestration Systems

Degree/Year:  M.S. Mechanical Engineering, 2007.

Kasey Worthington

Current Position: AAON
Degree/Year: M.S. Mechanical Engineering, 2011
Project: Methodology to measure thermal performance of pipe insulation at below-ambient temperature.             

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Tracy Xia

                                  

 

Email:  tracyxiaoxia@yahoo.com   
Current Position: Senior Modeling Analyst, Duff & Phelps
Thesis:  Modeling of Hydronic and Electric-Cable Snow-Melting Systems for Pavements and Bridge Decks
Degree/Year:  M.S. Mechanical Engineering, 2002.
Papers: Rees, S.J., J.D. Spitler and X. Xiao, X 2002. Transient Analysis of Snow-melting System Performance. ASHRAE Transactions. 108(2):406-423.
 

Dongyi Xiao

 

Email:  xiaodongyi@hotmail.com
Current Position: IES
Thesis:  Inter-Model, Analytical, and Experimental Validation of A Heat Balance Based Residential Cooling Load Calculation Procedure
Degree/Year: Ph.D. Mechanical Engineering, 2006.
Papers:

Xiao, D., S.J. Rees, J.D. Spitler, and R.L. Dougherty. 2005. Transient Conduction Analytical Solutions for Testing of Building Energy Simulation Programs Building Services Engineering. Research and Technology 26(3):229-247.

 

Barnaby, C.S., J.D. Spitler, and D. Xiao. 2005. The Residential Heat Balance Method for Heating and Cooling Load  Calculations. ASHRAE Transactions 111(1):308-319.

 

Xiao, D., J.D. Spitler, and S.J. Rees. 2002. An Analytical Verification Test Suite for Multizone Building Fabric and Control Models in Whole Building Energy Simulation Programs. Proceedings of the eSim 2002 Conference, September 11-13, Montreal, Canada. pp. 260-267.

 

Rees, S.J., D. Xiao, and J.D. Spitler. 2002. An Analytical Verification Test Suite for Building Fabric Models in Whole Building Energy Simulation Programs. ASHRAE Transactions 108(1):30-41. Awarded the ASHRAE Willis Carrier Award and Technical Paper Award.

 
 
 
 
 
 
 
 

Awards: 

2005 Homer Addams Award

2002 Willis H. Carrier Award (ASHRAE)

2002  ASHRAE Technical  Paper Award

 

Xiaowei Xu

 

Email: xiaoweixxw@hotmail.com
Project: Hybrid Ground Source Heat Pump Systems
Thesis: Simulation and Optimal Control of Hybrid Ground Source Heat Pump Systems.
Degree/Year: Ph.D. Mechanical Engineering, 2007
Papers:

Gentry, J.E., J.D. Spitler, D.E. Fisher, and X. Xu.  2006. Simulation of Hybrid Ground Source Heat Pump Systems and Experimental Validation.  Proceedings of the 7th International Conference on System Simulation in Buildings, December 11-13, Liège, Belgium.

 

Xu, X., and J. D. Spitler. 2006. Modeling of Vertical Ground Loop Heat Exchangers with Variable Convective Resistance and Thermal Mass of the Fluid.  Proceedings of the 10th International Conference on Thermal Energy Storage – Ecostock 2006, Pomona, NJ. 

 
 
 
 

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Jianpeng Yang

 

 

Email: jianpengyang@hotmail.com
Project: Transport delay model in EnergyPlus
C.C. Report: Implementation of a pipe flow transport delay model in EnergyPlus
Degree/Year: M.S. Mechanical Engineering, 2008.

Cenk Yavuzturk 

 

Email: yavuzturk@hartford.edu
Home page: http://new.hartford.edu/ceta/faculty/ME/yavuzturk.aspx
Current Position:  Department Chair and Assistant Professor in Mechanical Engineering, University of Hartford
Thesis:  Modeling of Vertical Ground Loop Heat Exchangers for Ground Source Heat Pump Systems
Degree/Year:  Ph.D. Mechanical Engineering, 1999.
Papers:

Spitler, J.D., X. Liu, S.J. Rees, and C. Yavuzturk. 2005. Simulation and Optimization of Ground Source Heat Pump Systems. 8th International Energy Agency Heat Pump Conference,  May 30-June 2. Las Vegas.

 

Yavuzturk, C., and J.D. Spitler. 2001. Field Validation of a Short Time-Step Model for Vertical Ground Loop Heat Exchangers. ASHRAE Transactions 107(1):617-625.

 

Spitler J.D., S.J. Rees, and C. Yavuzturk. 2000. Recent Developments in Ground Source Heat Pump System Design, Modelling and Applications. Proc. of CIBSE/ASHRAE joint conference "20 20 Vision", September, Dublin, Session 9a, Paper A28, p.34.

 

Spitler J.D., C. Yavuzturk, and S.J Rees. 2000. In-Situ Measurement of Ground Thermal Properties. Proc. of TERRASTOCK 2000, August 2000, Stuttgart, 1:165-170.

 

Yavuzturk, C., and J.D. Spitler. 2000. Comparative Study to Investigate Operating and Control Strategies for Hybrid Ground Source Heat Pump Systems Using a Short Time-step Simulation Model. ASHRAE Transactions  106(2):192-209.

 

Austin, W., C. Yavuzturk, and J.D. Spitler. 2000. Development Of An In-Situ System For Measuring Ground Thermal Properties. ASHRAE Transactions 106(1):365-379.

 

Yavuzturk, C., and J.D. Spitler. 1999. A Short Time Step Response Factor Model for Vertical Ground Loop Heat Exchangers. ASHRAE Transactions 105(2):475-485.

 

Yavuzturk, C., and S.J. Rees and J.D. Spitler. 1999.  A Transient Two-dimensional Finite Volume Model of a Ground Loop Heat Exchanger, ASHRAE Transactions 105(2):465-474.

 

Spitler, J.D., S.J. Rees, and C. Yavuzturk. 1999. More Comments on In-situ Borehole Thermal Conductivity TestingThe Source 12(2):4-6.

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

David Yeung 

Email:  yeung@fnal.gov
Current Position:   Fermi National Accelerator Laboratory
Thesis:  Enhancements to a Ground Loop Heat Exchanger Design Program 
Degree/Year:  M.S. Mechanical Engineering, 1996.

Ray Young

 

Current Position: Lockheed Martin
Thesis:  Development, Verification, and Design Analysis of the Borehole Fluid Thermal Mass Model for Approximating Short Term Borehole Thermal Response 
Degree/Year: M.S. Mechanical Engineering, 2004.

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