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Alumni - Visiting Scholars

 

 

Undergraduate Students


Tahsin Rahmin

Email:  tahsin@okstate.edu

Amy Wong

Email:  meiyw@okstate.edu

 

M.S. Students


Rachel Grundmann

Email: rachel.grundmann@okstate.edu
Project: Improved design methods for ground heat exchangers

John Holman

Email:  john.holman@okstate.edu
Project:  

Sarath Mulugurthi

Email:  sarthk@okstate.edu
Project: Oil Retention in Microchannel-Type Evaporators

Pedro Perez

Email:  pedro.perez@okstate.edu
Project: Development of a Load-Based Method of Test for Light Commercial Unitary HVAC

Jeremy Smith

Email:  jeremy.r.smith@okstate.edu
Project: Two phase flow boiling of LGWP refrigerants

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

Thiam Wong

Email:  thiam@okstate.edu
Project: Smart Nanolubricants for HVAC&R Systems

Zeyu Xiong

Email:  zeyu.xiong@okstate.edu
Project: Modeling of SlinkyGround Heat Exchangers

Weiwei Zhu

Email:  weiwei.zhu@okstate.edu
Project: Measurements of Thermal Conductivity of Pipe Insulation at Below-Ambient Temperatures and in Wet Condensing Conditions with Moisture Ingress

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Ph.D. Students


Andrea Bigi

Email:  bigi@okstate.edu  
Project: Smart Nanolubricants for HVAC&R Systems  

James Cullin

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

Cullin, J.R., J.D. Spitler, S. Gehlin. 2013. Grundläggningskollektorer för markvärmepumpar. Energi & Miljö. Nr. 12, December 2013, pp. 46-48.

Cullin, J.R., J.D. Spitler, and E. Lee. 2013. Preliminary investigation of horizontal piping on the performance of a vertical ground heat exchanger system. ASHRAE Transactions. 119(2): 302-311.

Xing, L., J.R. Cullin and J.D. Spitler. 2012. Modeling of Foundation Heat Exchangers -- Comparison of Numerical and Analytical Approaches. Building Simulation. 5(3):267-279.

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. 118(1):1039-1048

Cullin, J.R., and J.D. Spitler. 2011. A computationally efficient hybrid time step methodology for simulation of ground heat exchangers. Geothermics. 40(2):144-156

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.

 
 
 
 

Matt Mitchell

Email:  matt.s.mitchell@okstate.edu
Project: Development of design tools for surface water heat pump systems.
Papers: Mitchell, M.S. and J.D. Spitler 2013. Open-loop Direct Surface Water Cooling and Surface Water Heat Pump Systems -- A Review. HVAC&R Research. 19(2): 125-140

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. 5(3):267-279.

 

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: 118(1): 1039-1058.

 

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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