Mostafa, M. Z., K. Alghamdi, J. D. Spitler, C. K. Bach (2024). Performance Comparison of Different Circuitries for the TriCoil Three-fluid Heat Exchanger. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2257.

 

Ghadiri, M., C. K. Bach, C. R. Bradshaw (2024). Effects of Splitter Placement on Fin-Tube Heat Exchanger Evaporator Performance. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2218.

 

Moghimi, P., C. K. Bach, J. D. Spitler (2024). Development Of An Underground Stratified Thermal Energy Storage (TES) Tank ModelDevelopment of an underground stratified thermal energy storage tank model and performance comparisons with an above-ground tank. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2275.

 

Moghimi, P., K. I. Alghamdi, C. K. Bach, J. D. Spitler (2024). Development And Experimental Validation Of Simplified Numerical Models For Stratified Thermal Energy Storage (TES) Tanks Including Storage Mode And Adverse Feed Temperatures. . International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2277.

 

Ismail, T., H. Ikram, A. Alexander, C. K. Bach (2024). Modeling the Effect of Non-uniform Frost Accumulation on the Performance of Heat Pump with Refrigerant side Flow Maldistribution. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2361.

 

Ali, J., R. Siddharth, A. Alexander, C. K. Bach (2024). Development of Defrost Controller Platform for Commercial Rooftop Heat Pump Units. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2430.

 

H. Ikram, T. Ismail, R. Siddharth, J. Ali, A. Alexander, C. K. Bach (2024). Insights Gained From The Experimental Testing Of A Rooftop Unit Under Frosting Conditions. International Refrigeration and Air Conditioning Conference at Purdue. Accepted Paper 2455.

 

Moghimi, P. J.D. Spitler, and C.K. Bach. 2024. System and Component Model Development of a Secondary Loop System with Buried Thermal Energy Storage Tank. Proceedings of Enerstock 2024, Lyon, France. June 5-7, 2024. Paper 519772.

 

Bordignon, S., J.D. Spitler, and A. Zarrella. 2024. Simplified water-source heat pump models for predicting heat extraction and rejection. Renewable Energy 220: 119701.

Alghamdi, K. I.; Bach, C. K.; Spitler, J. D. & Istiaque, F. (2023). Modeling, simulating, and validating a novel three-fluid heat exchanger (TriCoil™) for a residential heating and air-conditioning system integrating water-based thermal energy storage Energy and Buildings, 298, 113545

 

Khan, A., Bradshaw, C.R., 2023. Quantitative Comparison of the Performance of Economized Vapor Compression Cycles with Various Means of Compressor Flooding. International Journal of Refrigeration. 154 (Oct. 2023) pp.386-394.

 

Khan, A. Bradshaw, C.R., 2023. Development of a Residential Scale, Economized, Compressor Load Stand to Measure Compressor Performance Using Low GWP, Flammable Refrigerants. In: 13th International Conference on Compressors and their Systems. ICCS 2023. Springer Proceedings in Energy.

 

Pfeiffer, T. Khan, A. Bradshaw, C.R., 2023. Analysis of R454B as a low-GWP refrigerant alternative for R410A in a vapor-injected rotary compressor. In: 13th International Conference on Compressors and their Systems. ICCS 2023. Springer Proceedings in Energy.

 

Tanveer, M. Bradshaw, C.R., Orosz. J., Kemp, G., 2023. Demonstration of computationally efficient vapor injection optimization method for spool compressor. In: 13th International Conference on Compressors and their Systems. ICCS 2023. Springer Proceedings in Energy.

 

Lee, A., Bach, C.K., Bradshaw, C.R., 2023. Differential Mass Evacuation Sampling Method for Measuring Refrigerant Charge in Fin-and-Tube Heat Exchangers (ASHRAE RP-1785). In: Proceedings of the International Congress of Refrigeration, Paris, FR. August 21-25, 2023

 

Bordignon, S., J.D. Spitler, and A. Zarrella. 2023. Simplified ground-source heat pump models for predicting heat extraction. Proceedings of the 14th International Energy Agency Heat Pump Conference. Chicago, Illinois. May 15-18. 

 

Gehlin, S. and J.D. Spitler.2023. Heat pump system performance measurement in Annex 52. Proceedings of the 14th International Energy Agency Heat Pump Conference. Chicago, Illinois. May 15-18. 

 

Gabel, K., Bradshaw, C.R., 2023. Evaluation and Quantification of Semi-Empirical Compressor Model Predictive Capabilities under Modulation and Extrapolation Scenarios. International Journal of Refrigeration. 149 (May 2023) pp.1-10

 

Yousaf, K., Bradshaw, C.R., Kamalapurkar, R., San, O., 2023. Investigating Critical Features for Development of a Semi-Empirical Reduced Order Model for Unitary Air Conditioning Equipment. Energy and Buildings. 284 (April 2023) 112823

 

Islam, M., Nicholas, J., Bradshaw, C.R., 2023. Development and Experimental Validation of a Mechanistic Chamber Model of a Novel Peristaltic Compressor. International Journal of Refrigeration. 146 (Feb. 2023) pp.430-441

 

Spitler, J.D.  and S.E.A. Gehlin. 2023. Field measurements of building heating and cooling system performance. Science and Technology for the Built Environment 29(2): 107-108. 

Latif, H., Rahnama, S., Maccarini, A., Bradshaw, C. R., Nielsen, P., Hultmark, G., Afshari, A. 2022. Precision Ventilation for an Open-Plan Office: A Study of Variable Jet Interaction Between Chilled Beams. Sustainability 2022. 14, 11466.

 

Saleem, S., Bradshaw, C.R., Bach, C.K. 2022. Development of Design Guidelines for Fin-and-Tube Heat Exchangers with Low-GWP Refrigerants. International Journal of Refrigeration. 143 (2022) pp.166-181. (CIBS 21-05)

 

Saleem, S., Bradshaw, C.R., Bach, C.K. 2022. Performance assessment of R1234ze(E) as a low GWP substitute to R410A in fin-and-tube heat exchangers. International Journal of Refrigeration. 134 (2022) pp.253-264. (CIBS 21-05)

 

Tanveer, M., Bradshaw, C.R., Ding, X., Ziviani, D., 2022. Mechanistic Chamber Models: A Review of Geometry, Mass Flow, Valve, and Heat Transfer Sub-Models. International Journal of Refrigeration. 142 (2022) pp.111-126.

 

Orosz, J., Kemp, G., Bradshaw, C.R., Groll, E.A., 2022. Updated Performance and Operating Characteristics of a Novel Rotating Spool Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1119.

 

Tanveer, M., Bradshaw, C.R., Ding, X., Ziviani, D., 2022. Mechanistic Chamber Models: A Review of Geometry, Mass Flow and Heat Transfer Sub-Models and an Outlook to Future Research. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1180.

 

Saleem, S., Bradshaw, C.R., Bach, C., 2022. R1234ze(E) as a Low-GWP Replacement of R410A in Fin-and-Tube Evaporators. In: Proceedings of the International Refrigeration Engineering Conference, Purdue University, West Lafayette, IN, USA. No 2193. (CIBS 21-05)

 

Islam, M., Nicholas, J., Bradshaw, C.R., 2022. Development and Experimental Validation of a Mechanistic Chamber Model of a Novel Peristaltic Compressor. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1210.

 

Khan, A., Bradshaw, C.R., 2022. Quantitative Comparison of the Performance of Vapor Compression Cycles with Various Means of Compressor Flooding. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1227.

 

Ghadiri, M., Bach, C., Bradshaw, C.R.„ 2022. R468C as a Low-GWP Replacement of R410A in Fin-and-Tube Evaporators. In: Proceedings of the International Refrigeration Engineering Conference, Purdue University, West Lafayette, IN, USA. No 2262. (CIBS 21-05)

 

Lee, A., Bach, C., Bradshaw, C.R.„ 2022. Differential Mass Evacuation Sampling Method for Measuring Refrigerant Charge in Round Tube Plate Fin Heat Exchangers (ASHRAE RP-1785). In: Proceedings of the International Refrigeration Engineering Conference, Purdue University, West Lafayette, IN, USA. No 2273.

 

Gabel, K., Bradshaw, C.R., 2022. Evaluation And Quantification Of Semi-Empirical Compressor Model Predictive Capabilities Under Modulation And Extrapolation Scenarios. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1318. (CIBS 21-11)

 

Tanveer, M., Bradshaw, C.R., Orosz, J, Kemp, G., 2021. Optimum Spool Compressor Aspect Ratio for R134a and R1234ze(E). In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1379.            

 

Yousaf, S., Bradshaw, C.R., Kamalapurkar, R., San, O., 2022. Physics Informed Machine Learning Based Reduced Order Model of Unitary Equipment. In: Proceedings of the International Refrigeration Engineering Conference, Purdue University, West Lafayette, IN, USA. No 2386. (CIBS AR-042)

 

Waikar, A., Rowinski, D., Kemp, G., Orosz, J., Bradshaw, C.R., 2022. Modeling a Spool Compressor Using a Coupled Fluid And Solid Solver With Cut-Cell Based CFD Methodology With Adaptive Mesh Refinement. In: Proceedings of the International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1140.

 

Spitler, J.D., T.N. West, X. Liu and I. Borshon. 2022. An open library of g-functions for 34,321 configurations.  IGSHPA Research Track.  Las Vegas. Dec. 6-8

 

Spitler, J.D., T.N. West and X. Liu. 2022. Ground Heat Exchanger Design Tool with RowWise Placement of Boreholes. IGSHPA Research Track. Las Vegas. Dec. 6-8

 (CIBS 22-05)

 

West, T.N. and J.D. Spitler. 2022. Approximate g-functions for selection of borehole field configurations used with ground-source heat pump systems. European Geothermal Congress 2022. Berlin, Germany.  17-21 October 2022(CIBS 22-05)

 

Alghamdi, K. I.; C.K. Bach, and J.D. Spitler. 2022. Water-Based Thermal Energy Storage for Heating and Air-Conditioning Applications in Residential Buildings: Review and Preliminary Study. 18th International Refrigeration and Air Conditioning Conference. West Lafayette, Indiana. July 10-14.

(CIBS AR21-037)

 

Spitler, J.D. and S. Gehlin. 2022. Performance of a mixed-use ground source heat pump system in Stockholm.  14th REHVA World Congress, Clima 2022.  Rotterdam, The Netherlands. May 22-25. 

Saleem, S., Bradshaw, C.R., Bach, C.K., 2021. Validation of a multi-circuit heat exchanger model for evaluating the effect of refrigerant circuitry on cross-fin conduction in evaporator mode . International Journal of Refrigeration. 131 (2021) pp.623-633. (CIBS 21-05)

 

Islam, M., Tubbs, C., Bengs, C, Bradshaw, C.R.„ 2021. Development of a Reconfigurable Prototype Peristaltic Compressor. In: IOP Conference Series: Materials Science and Engineering: International Conference on Compressors and their Systems. 1180.

 

Liu, X., J. D. Spitler, M. Qu and L. Shi. 2021. Recent Developments in the Design of Vertical Borehole Ground Heat Exchangers for Cost Reduction and Thermal Energy Storage Journal of Energy Resources Technology 143(10).

 

Cook, J.C. and J.D. Spitler. 2021. Faster computation of g-functions used for modeling of ground heat exchangers with reduced memory consumption. Proceedings of Building Simulation 2021, Bruges, Belgium. September 1-3, 2021.

(CIBS 22-05)

 

Yarborough, S., Bradshaw, C.R., Orosz, J., Kemp, G. 2021. Empirical Indicated Loss Analysis of a

Semi-hermetic Light-Commercial Spool Compressor.International Journal of Refrigeration. 131.pp.1029-1037

 

Tanveer, M., Bradshaw, C.R. 2021. Performance Evaluation of Low-GWP Refrigerants in 1-100 ton

scroll compressors. International Journal of Refrigeration. 129 (2021), pp.317-331.

 

Islam, M., Tubbs, C., Bengs, C, Bradshaw, C.R.„ 2021. Development of a Reconfigurable Prototype

Peristaltic Compressor. IOP Conference Series: Material Science Engineering. Vol. 1180.  012046.

 

Tanveer, M., Bradshaw, C.R.„ 2021. Scaling Method for Scroll Compressor Geometry Based on

Manufacturing and Performance Constraints. In: Proceedings of the International Conference on

Compressors and their Systems, City University, London, UK.

 

Tanveer, M., Bradshaw, C.R.„ 2021. Performance Evaluation of low-GWP Refrigerants in 1-100

Ton Scroll Compressors. In: Proceedings of the International Conference on Compressors and their

Systems, City University, London, UK.

 

Lee, A., Bach, C., Bradshaw, C.R.„ 2021. Differential Mass Evacuation Sampling Technique for

Measuring Refrigerant Charge and Oil Retention of Round Tube Plate Fin Heat Exchangers

(ASHRAE RP-1785). In: Proceedings of the International Refrigeration Engineering Conference,

Purdue University, West Lafayette, IN, USA. No 2124.

 

Saleem, S., Bradshaw, C.R.„ 2021. The Thermodynamic Behavior Of Low-GWP Zeotropic

Mixtures On Water-Source Heat Pump Equipment. In: Proceedings of the International

Refrigeration Engineering Conference, Purdue University, West Lafayette, IN, USA. No 2151.

 

Saleem, S., Sarfraz, S. Bach, C., Bradshaw, C.R.„ 2021. A Novel Experimental Infrastructure for

Collecting High-Fidelity Experimental Data for Refrigerant to Air Heat Exchangers. In:

Proceedings of the International Refrigeration Engineering Conference, Purdue University, West

Lafayette, IN, USA. No 2222.

 

Yarborough, S., Bradshaw, C.R., Orosz, J, Kemp, G., 2021. Empirical Indicated Loss Analysis of a

Semi-hermetic Light-Commercial Spool Compressor . In: Proceedings of the International

Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1236.

 

Tanveer, M., Bradshaw, C.R.„ 2021. Quantitative and Qualitative Evaluation of Various

Positive-Displacement Compressor Modeling Platforms. In: Proceedings of the International

Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA. No 1248.

 

Islam, M., Bradshaw, C.R.„ 2021. Development of Mechanistic Chamber Model of a Novel

Peristaltic Compressor for Air-conditioning and Refrigeration Applications. In: Proceedings of the

International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA.

No 1303.

Spitler, J.D., J.C. Cook and X. Liu. 2020. Recent Experiences Calculating g-functions for Use in Simulation of Ground Heat Exchangers.  GRC Transactions, 44:296-315.

 

Spitler, J.D., J.C. Cook and X. Liu. 2020. A Preliminary Investigation on the Cost Reduction Potential of Optimizing Bore Fields for Commercial Ground Source Heat Pump Systems.  Proceedings. 45th Workshop on Geothermal Reservoir Engineering. Stanford University, Stanford, California, February 10-12, 2020 

Tanveer, M., Bradshaw, C.R. 2020. Quantitative and Qualitative Evaluation of Various

Positive-Displacement Compressor Modeling Platforms. International Journal of Refrigeration.

116 (2020), pp.48-63.

 

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2020. Validation of advanced fin-and-tube heat exchanger

models with cross-fin conduction functionality. International Journal of Refrigeration. 116 (2020),

pp.70-81.

 

Lee, A., Bach, C.K., Bradshaw, C.R. 2020. Differential Mass Evacuation Sampling Technique for

Measuring Oil Retention and Refrigerant Charge of Round Tube Plate Fin Heat Exchangers

(ASHRAE RP-1785). Science and Technology for the Built Environment. 26 (2020), pp.790-804.

 

Saleem, S., Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2020. Development of novel experimental

infrastructure for collection of high-fidelity experimental data for refrigerant to air heat exchangers.

International Journal of Refrigeration. 114 (2020), pp.189-200.

 

Singleton, J., Schmidt, D. Bradshaw, C.R. 2020. Control and commissioning of a hot-gas bypass

compressor load stand for testing light-commercial compressors on low-GWP refrigerants.

International Journal of Refrigeration. 112 (2020), pp.82-89.

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. A novel technique for computationally efficient

consideration of cross-fin conduction in fin-and-tube heat exchanger models. International Journal

of Refrigeration. 107 (2019), pp.73-83

 

Lee, A., Bach, C., Bradshaw, C.R., 2019. Study of Heat Exchanger Inlet Air Velocity Distribution

for Ducted Tests in a Psychrometric Chamber (ASHRAE RP-1785) . In: ASHRAE Transactions,

Atlanta. Vol 125 (2019). pp. 198-205.

 

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. Reduced order modeling for multi-circuit

fin-and-tube heat exchangers with multiple identical circuit types. International Journal of

Refrigeration. 106 (2019), pp. 236-247.

 

Sarfraz, O., Bach, C.K., Bradshaw, C.R. 2019. Discrete modeling of fin-and-tube heat exchangers

with cross-fin conduction functionality. International Journal of Refrigeration. 104 (2019), pp.

270-281.

 

Schmidt, D., Singleton, J., Bradshaw, C.R. 2019. Development of a Light-Commercial Compressor

Load Stand to Measure Compressor Performance using Low-GWP Refrigerants. International

Journal of Refrigeration. 100(April 2019), 443-453.

 

Singleton, J., Schmidt, D. Bradshaw, C.R., 2019. Control and Commissioning of a Hot Gas Bypass

Compressor Load Stand for Testing Light-Commercial Compressors on Low-GWP Refrigerants .

In: 11th International Conference on Compressors and their Systems, City University, London,

1. UK. IOP Conference Series: Materials Science and Engineering. 604 (012053).

 

Lee, A., Bach, C., Bradshaw, C.R., 2019. Study of Heat Exchanger Inlet Air Velocity Distribution

for Ducted Tests in a Psychrometric Chamber (ASHRAE RP-1785) . In: ASHRAE Transactions,

Atlanta. Vol 125 (2019). pp. 198-205.

Sarfraz, O., Bach, C., Bradshaw, C.R. 2018. A Literature Review of Numerical Modeling

Techniques for Vapor Compression Systems with Focus on Heat Exchanger Modeling. In:

Proceedings of the International Refrigeration and Air Conditioning Conference, Purdue University,

West Lafayette, IN, USA. No 2439.

 

Schmidt, D., Singleton, J., Bradshaw, C.R., 2018. Development of a light-commercial compressor

load stand to measure compressor performance using low-GWP refrigerants. In: Proceedings of the

International Compressor Engineering Conference, Purdue University, West Lafayette, IN, USA.

No 1455.

 

Lee, J., Bach, C., Bradshaw, C.R., 2018. Experimental validation of refrigerant charge models in

coils for residential split systems. In: Proceedings of the International Refrigeration and Air

Conditioning Conference, Purdue University, West Lafayette, IN, USA. No 2670.