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Alumni - Undergraduate

Alumni - Visiting Scholars

 

 

Undergraduate Students


Jin Tae (Jimmy) Kim

Email:  jimmy.kim@okstate.edu
Project: Development of design tools for surface water heat pump systems.

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M.S. Students


Atharva Barve

Email:   atharva.barve@okstate.edu
Project: Performance of low global warming potential (GWP) refrigerants in residential heat pump applications.
Papers: Barve, A., Cremaschi, L., 2012, Drop-in Performance of Low GWP Refrigerants in a Heat Pump System for Residential Applications, International Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, Paper No. 2197

Cremaschi, L., Barve, A., Wu, X., 2012, Effect of Condensation Temperature and Water Quality on Fouling of Brazed-Plate Heat Exchangers, ASHRAE Transactions, 118


Krishna Conjeevaram Bashyam

Email:  kconjee@okstate.edu
Project: Development of lake simulation model and design tools for surface water heat pump systems

Auvi Biswas

Email:  auvi@ostatemail.okstate.edu
Projects:
Performance and Capacity Comparison of new Low GWP Refrigerant for AC and Heat Pump Systems in ducted residential application

Programming and monitoring Lab View for OSU psychrometric chamber

Papers:
Biswas,A., and Cremaschi, L. 2012. Performance and Capacity Comparison of Two New LGWP Refrigerants Alternative to R410A in Residential Air Conditioning Applications.  14th International Refrigeration and Air Conditioning Conference at Purdue, West Lafayette, IN, July 16-19, 2012.
 

Biswas,A., Barve, A., and Cremaschi, L. 2013. An experimental study of the performance of new Low Global Warming Potential(LGWP) Refrigerants at extreme high temperature ambient conditions in residential AC ducted split systems. ASHRAE Winter Conference, Dallas, TX, Jan 26-30, 2013.


Pratik S. Deokar

Email: 

pratik.deokar@okstate.edu

Project: Measurements of Oil Retention in Microchannel Heat Exchangers

John Holman

Email:  john.holman@okstate.edu
Project: OCAST

Matt Mitchell

Email:  matt.s.mitchell@okstate.edu
Project: Development of design tools for surface water heat pump systems.

Ben Rhoda

Email:  benjamin.rhoda@okstate.edu
Project: Pumping and Piping Design for Vertical GSHP's

Manoj Selvakumar

Email:  manoj.selvakumar@okstate.edu
Project: Development of lake simulation model and design tools for surface water heat pump systems.

Ramandeep Singh

Email:  ramandeep.singh@okstate.edu
Project: ASHRAE Headquarters Building Renovation: Building Simulation using EnergyPlus

Sudha Sikha

Email:  sudha.sikha@okstate.edu
Project: Modelling an Underfloor Chilled beam in EnergyPlus

Rachel Spitler

Email:  rachel.spitler@okstate.edu
Project: Heat Pump Simulation

Xiaoxiao Wu

Email:  xiaoxiao.wu@okstate.edu
Project: Fouling performance in cooling tower applications
 Papers: Cremaschi, L., Barve, A., Wu, X., 2012, Effect of Condensation Temperature and Water Quality on Fouling of Brazed-Plate Heat Exchangers Part 1: Experimental Methodology, ASHRAE Transactions, 118 (Part 1), Paper No. CH-12-034

Zeyu Xiong

Email:  zeyu.xiong@okstate.edu
Project:  

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Ph.D. Students


Andrea Bigi

Email:  bigi@okstate.edu  
Project: Vortical direct-contact heat exchanger for high efficiency ground source heat pump systems.  

Shanshan Cai

Email:  shanshc@okstate.edu
Project: Frost Development in Micro-channel Heat Exchangers
Papers: Cremaschi, L., Cai, S., Worthington, K., & Ghajar, A. 2012. Measurement of pipe insulation thermal conductivity at below ambient temperatures Part I: Experimental methodology and dry tests (ASHRAE RP-1356). ASHRAE Transactions, 118(1): n.p.

Cai, S., Cremaschi, L., Ghajar, A. 2012. Moisture Accumulation and its Impact on the Thermal Performance of Pipe Insulation for Chilled Water Pipes in High Performance Buildings. Proceddings of the 2nd International High Performance Buildings Conference at Purdue.

 


James Cullin

Email:  james.cullin@okstate.edu
Project: Modeling of foundation heat exchangers
Papers:

Xing, L., J.R. Cullin and J.D. Spitler. 2012. Modeling of Foundation Heat Exchangers -- Comparison of Numerical and Analytical Approaches. Building Simulation: In Press.  (DOI:10.1007/s12273-012-0088-1)

Cullin, J.R., L. Xing, E. Lee, J.D. Spitler and D.E. Fisher. 2012. Feasibility of Foundation Heat Exchangers In Ground Source Heat Pump Systems In the United States. ASHRAE Transactions: In press.

Cullin, J.R., and J.D. Spitler. 2011. A computationally efficient hybrid time step methodology for simulation of ground heat exchangers. Geothermics. In Press.

Xing, L. J.R. Cullin, J.D. Spitler, D.E. Fisher, and P. Im. 2011. Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems - Numerical Modeling and Experimental Validation.  HVAC&R Research. 17(6):1059-1074

Xing, L. J.D. Spitler, and J.R. Cullin. 2010. Modeling of foundation heat exchangers. Proceedings of System Simulation in Buildings 2010. Liège, Belgium. December 13-15.

Cullin, J.R., and J.D. Spitler. 2010. Comparison of simulation-based design procedures for hybrid ground source heat pump systems. Proceedings of System Simulation in Buildings 2010. Liège, Belgium. December 13-15.

Spitler, J., L. Xing, J. Cullin, D. Fisher, J. Shonder, and P. Im. 2010. Residential Ground Source Heat Pump Systems Utilizing Foundation Heat Exchangers. Proceedings of Clima 2010, Antalya, Turkey. May 9-12.

Spitler, J., J. Cullin, M. Bernier, M. Kummert, P. Cui, X. Liu, E. Lee, and D. Fisher. 2009. Preliminary intermodel comparison of ground heat exchanger simulation models. Proceedings of 11th International Conference on Thermal Energy Storage; Effstock 2009, Stockholm, Sweden, June 14-17.

Spitler, J.D., and J.R. Cullin. 2008. Misconceptions Regarding Design of Ground-Source Heat Pump Systems. Proceedings of World Renewable Energy Congress X, Glasgow, Scotland, July 19-25.

 
 
 
 

Edwin Lee

Email:  e.lee@okstate.edu
Project: EnergyPlus Core Development
Papers:

Webster, T.,  T. Hoyt, E. Lee, A. Daly, D. Feng, F. Bauman, S. Schiavon, K. Ho Lee, W. Pasut and D. Fisher. 2012. Influence of Design and Operating Conditions on Underfloor Air Distribution (UFAD) System Performance.  Proceedings of Simbuild 2012, August 1-3, Madison, Wisconsin.

Cullin, J.R., L. Xing, E. Lee, J.D. Spitler and D.E. Fisher. 2012. Feasibility of Foundation Heat Exchangers In Ground Source Heat Pump Systems In the United States. ASHRAE Transactions: In press.

 

Kośny, J., D. Yarbrough, W. Miller, P. Childs, J. Atchley, S. Shrestha, E. Kossecka, J. B. Smith, T. Fellinger, E. Lee, and M. Bianchi. 2010. Theoretical and Experimental Thermal Performance Analysis of Building Shell Components Containing Blown Fiberglass Insulation Enhanced with Phase Change Material (PCM). Thermal Performance of the Exterior Envelopes of Buildings XII, proceedings of ASHRAE THERM XII, Clearwater, FL, Dec. 2010. (In Press)

 

Spitler, J., J. Cullin, M. Bernier, M. Kummert, P. Cui, X. Liu, E. Lee, and D. Fisher. 2009. Preliminary intermodel comparison of ground heat exchanger simulation models. Proceedings of 11th International Conference on Thermal Energy Storage; Effstock 2009, Stockholm, Sweden, June 14-17.

 

Cremaschi, L.,and E. Lee. 2008. Design and Heat Transfer Analysis of a New Psychrometric Environmental Chamber for Heat Pump and Refrigeration Systems Testing. ASHRAE Transactions 114(2):619-631.

 

Lee, E. 2008. Energy Simulation Challenges: Performing a Parametric Study of Non-Traditional Low-Energy Building Envelope Configurations in Residential Buildings. Seminar 18 -- How to Model Nothing: Energy Simulations of Net-Zero Energy Buildings, Part 2. ASHRAE Summer Meeting. New York, NY 2008.

 
 
 
 
 
 

Malai Ramesh

Email:  malai.ramesh@okstate.edu
Project: Modeling of standing column wells
Papers: Cremaschi, L., J.D. Spitler, E. Lim, and A. Ramesh. 2011. Waterside fouling performance in brazed-plate type condensers for cooling tower applications. HVAC&R Research. 17(6):1059-1074

Ramesh, A. and J.D. Spitler. 2012. A quasi-two-dimensional standing column well model for ground source heat pump systems. Proceedings of Innostock 2012, The 12th International Conference on Energy Storage. Lleida, Spain. May 2012


 

Lu Xing

 

Email:  iwillflyhigher@gmail.com
Project: Modeling of foundation heat exchangers
Papers:

Xing, L., J.R. Cullin and J.D. Spitler. 2012. Modeling of Foundation Heat Exchangers -- Comparison of Numerical and Analytical Approaches. Building Simulation: In Press.  (DOI:10.1007/s12273-012-0088-1)

 

Cullin, J.R., L. Xing, E. Lee, J.D. Spitler, and D.E. Fisher. 2012 Feasibility of Foundation Heat Exchangers in Ground Source Heat Pump Systems in the United States. ASHRAE Transactions: In press.

 

Xing, L. J.R. Cullin, J.D. Spitler, D.E. Fisher, and P. Im. 2011. Foundation Heat Exchangers for Residential Ground Source Heat Pump Systems - Numerical Modeling and Experimental Validation.  HVAC&R Research. 17(6):1059-1074

 

Xing, L., J.D. Spitler, and J.R. Cullin. 2010. Modeling of foundation heat exchangers. Proceedings of System Simulation in Buildings 2010. Liège, Belgium. December 13-15.

 

Spitler, J., L. Xing, J. Cullin, D. Fisher, J. Shonder, and P. Im. 2010. Residential Ground Source Heat Pump Systems Utilizing Foundation Heat Exchangers. Proceedings of Clima 2010, Antalya, Turkey. May 9-12.

Ardiyansyah Yatim

 

Email:  ardiyansyah.yatim@okstate.edu
Project: Oil Retention in Microchannel Heat Exchangers
Papers:

Yatim, A., F. Nuruddin, A. Adiwinata, Budiono. 2011. Fishery Products Transportation in Rural-Coastal Regions: Utilization of Small Vehicle Engine’s Waste Heat for Absorption Refrigeration System. The 12th Int. Conf. on Quality in Research. Bali, Indonesia. July 4-7.

Ardiyansyah, N. Putra, R. Irwansyah, H. Anandaputra. 2010. Development of a Cryosurgery Device Based on Multistage Thermoelectric System. The 3rd International Meeting of Advances in Thermofluids. Singapore. November 30.

Pamitran, A.S., Ardiyansyah, Jong-Taek Oh, Pega Hrnjak. 2009. Flow Boiling Heat Transfer Characteristics in Horizontal Minichannels with R-410A. The 3rd Thermophysical Properties and Transfer Processes of Refrigerants Conference. Boulder, Colorado. June 23-26.

Pamitran, A.S., Ardiyansyah, K. I. Choi, J. T. OH. 2007. Two-phase Flow Heat Transfer of Propane Vaporization in Horizontal Minichannels. The 18th Interantional Symposium of Transport Phenomena. Daejeon, South Korea.  August 27-30.

Oh, J.T. and Ardiyansyah. 2008. Two-Phase Flow Boiling Heat Transfer in Microchannel. SAREK International Journal of Air Conditioning and Refrigeration 16(2):51-63. In Press.

Ardiyansyah, K.I. Choi, J.T. Oh, H.K. Oh. 2007.  Modelling of a High Efficiency Refrigeration System with Heat Storage for Reverse Cycle Hot Gas Defrost. SAREK International Journal of Air-Conditioning and Refrigeration15(4): 175-81. In Press.

Ardiyansyah and K.I. Choi. 2007. Design and Simulation of a High Efficiency Refrigeration System with Heat Storage for Reverse Cycle Hot Gas Defrost. The 22nd International Congress of Refrigeration. Beijing, China. August 21-26.

Choi, K.I., Ardiyansyah, J.T. Oh. 2007. Boiling Heat Transfer Characteristics of R-290 in 300m Horizontal Smooth Microchannel. SAREK Summer Annual Conference. Pyeongchang, South Korea.

Ardiyansyah and A.S. Danardono. 2002. Application of Neural Network in Analyzing Diesel Engine Performances Data with Diesel Fuel – Additive Blended fuel. The 6th Quality in Research Seminar – ISSN Proceeding.  Jakarta, Indonesia.

 


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Visiting Scholars



Wei Song

Email:  stillwater2013@163.com  
Project: Modeling of standing column wells.  


 


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