Publications
Papers presented and published by OTS R&D Staff include:
- Copper Development Association, Inc. and OTS R&D, Inc. (2024). Improving Heat Pump system Performance through Small-Diameter Copper Tube Design Optimization: A Case Study with Whirlpool Corporation.
- Bacellar, Daniel, Shabtay, Yoram, Black, John, Nasuta, Dennis, Martin, Cara, Radermacher, Reinhard, Mzhen, Max, and Blaylock, Matthew. “Advanced Serpentine Heat Exchangers to Minimize Number of Joints and Leakage in HVAC&R Systems“. United States: N. p., 2022. Web. doi:10.2172/1895038.
- Nasuta, Dennis Michael; Li, Song; and Hong, Regina, “3 and 5mm Copper Tube Fin Heat Exchangers: Continued Testing and Frost Developing Characteristics” (2022). International Refrigeration and Air Conditioning Conference. Paper 2311.
- Nasuta, Dennis Michael; Halota, Austin; Zhao, Angelina; and Mzhen, Max, “Advanced Copper Heat Exchangers from Low-Cost Additive Manufacturing Techniques” (2022). International Refrigeration and Air Conditioning Conference. Paper 2310.
- Li, S., Bacellar, D., Martin, C., Lee, C., Beaini, S., Leverette, J. (2021). Experimental Evaluation of Frost Development on Tube-Fin Heat Exchangers: Fin Types, Fin Densities, (Super)hydrophobic and Icephobic Coatings. ASHRAE Virtual Winter Conference, February 9-11, 2021.
- Bacellar, D., Li, S., Martin, C., Shabtay, Y., Black, J. (2021). Evaluation of Contact Resistance and Fin Effectiveness of Enhanced, Brazed “Dogbone” Fin and Serpentine Tube Heat Exchangers for Air Conditioning and Heat Pump Applications. International Refrigeration and Air Conditioning Conference. Paper 2105.
- Bacellar, D., Nasuta, D., Li, S., Martin, C., Powell, D. (2021). Design Optimization of 3mm and 5mm Copper Tube and Flat Fin Air-to-Water Heat Exchangers with Experimental Validation. International Refrigeration and Air Conditioning Conference. Paper 2195.
- Lee, C., Hess, E., Beaini, S., Li, Song., Bacellar, D., Nasuta, D., Martin, C. (2021). Durability and Performance Evaluations of Superhydrophobic and Icephobic Coatings for Tube-Fin Heat Exchangers. International Refrigeration and Air Conditioning Conference. Paper 2269.
- Rhoads, A., Bacellar, D., Martin, C., Waser, R., Zaglio, M., Stillman, H., Worklitschek, J., Maranda, S. (2021). Quasi Steady-State Modeling Approach for Low Computational Cost Design Optimization of Heat Exchangers for Phase Change Material (PCM) Thermal Batteries. International Refrigeration and Air Conditioning Conference. Paper 2187.
- Nasuta, D. Li, S., Hwang, Y., Martin, C. (2018). Experimental Validation of CFD-Based Correlations for 5 mm Louver- and Slit-Fin Heat Exchangers: Lessons Learned. Purdue Refrigeration and Air Conditioning Conference, West Lafayette, Indiana.
- Nasuta, D. (2017). Determining the Air-Side Performance of Small-Diameter, Enhanced Tube-Fin Heat Exchangers Through Numerical and Experimental Methods. Master’s Thesis. University of Maryland, College Park.
- Tetzloff, R., Aute, V., Li, S., & Martin, C. (2016). An Evaluation of a Pressure Expansion Method for the Manufacturing of Copper Tube Heat Exchangers. 16th Refrigeration and Air Conditioning Conference, 2016 Purdue Conferences, West Lafayette, Indiana, July 11 – 14, 2016. Paper ID 2532.
- Sarpotdar, S., Nasuta, D., & Aute, V. (2016). CFD-Based Airside Heat Transfer and Pressure Drop Correlation Development for Small Diameter (3mm to 5mm) Louver Fin Heat Exchangers. 16th Refrigeration and Air Conditioning Conference, 2016 Purdue Conferences, West Lafayette, Indiana, July 11 – 14, 2016. Paper ID 2363.
- Sarpotdar, S., Nasuta, D., & Aute, V. (2016). CFD-Based Comparison of Slit Fin and Louver Fin Performance for Small Diameter (3mm to 5mm) Heat Exchangers. 16th Refrigeration and Air Conditioning Conference, 2016 Purdue Conferences, West Lafayette, Indiana, July 11 – 14, 2016. Paper ID 2362.
- Nasuta, D., Sarpotdar, S., Martin, C. (2016). Comparative Study of Optimized Small Diameter Tube-Fin Heat Exchangers Vs. Traditional, Larger Diameter Tube-Fin Heat Exchanger Designs. ASHRAE Winter Conference, Las Vegas, Nevada, January 26-February 1, 2017.
- Sarpotdar, S., Nasuta, D., & Martin, C. (2015). A Review of the Influence of Microfin Enhancements on the Condensation Heat Transfer Coefficient for Small Diameter Tubes.
- Hipchen, J.C., Weed, R., Zhang, M., & Nasuta, D. (2012). Simulation-Based Comparison of Optimized AC Coils Using Small Diameter Copper and Aluminum Micro-Channel Tubes. 14th Refrigeration and Air Conditioning Conference, 2012 Purdue Conferences, West Lafayette, Indiana, July 2012, Paper ID 1305.
- Rhoads, A., Bortoletto, B., Ling, J., Martin, C., & Radermacher, R. (2015). A Transient Refrigerator Model Validated Using R600a as a Low-GWP Alternative. ASHRAE Annual Conference, Atlanta, June 27- July 1, 2015.
- Rhoads, A., Bortoletto, B., Ling, J., & Martin, C. (2015). A Transient Refrigerator Model Validation Including System Perturbation. IIR International Congress of Refrigeration, Yokohama, Japan, August 16 – 27, 2015.
- Carow, J., Bacellar, D., Martin, C. (2021). Performance Analysis of Ejector Cycles for Separate Sensible and Latent Cooling in Air Conditioning. International Refrigeration and Air Conditioning Conference. Paper 2247.
- Hong, R. & Martin, C. (December 2020). Energy Savings Initiatives at Optimized Thermal Systems, Inc.
- Goldstein, E., Nasuta, D., Li, S., Martin, C., and Raman, A. (2018). Free subcooling with the Sky: Improving the efficiency of air conditioning systems. Purdue Refrigeration and Air Conditioning Conference, West Lafayette, Indiana.
- Martin, C., Nasuta, D., Bacellar, D., Bush, J., Oppenheim, P. (2018). Alternative Defrost Strategies for Residential Heat Pumps. Purdue Refrigeration and Air Conditioning Conference, West Lafayette, Indiana.
- Kalinowski, P. & Martin, C. (2017). Integrated Thermal Energy Storage for Cooling Applications. New York State Energy Research and Development Authority, Albany, New York, June 2017.
- Li, S., Nasuta, D., Hoffman, W., Domitrovic, R., Bush, J. & Martin, C. (2016). Hot Gas Bypass Defrosting Strategy for Residential Heat Pump. ASHRAE Winter Conference, Orlando, Florida, January 23 – 27, 2016.
- Kalinowski, P., Martin, C., & Burwell, M. (2016). Heat Pump High Density Thermal Storage (HPT) Analysis: Space and Water Heating. 12th IIR Gustav Lorentzen Natural Working Fluids Conference, Edinburgh, Scotland, August 21 – 24, 2016. Paper ID 1056.
- Kalinowski, P., Martin, C., & Burwell, M. (2016). Heat Pump High Density Thermal Storage (HPT) Analysis: Space Heating, Space Cooling and Water Heating. 12th IIR Gustav Lorentzen Natural Working Fluids Conference, Edinburgh, Scotland, August 21 – 24, 2016. Paper ID 1058.
- Martin, C. et al. (2016).The Application of Icephobic Coatings to Air Source Heat Pumps. ASHRAE Winter Conference, Las Vegas, Nevada, January 26-February 1, 2017.
- Nasuta, D., Powers, J., Rhoads, A., Tsai, C., & Ling, J. (2015). Development and Validation of a Heat Pump Water Heater Model with Wraparound Condenser. ASHRAE Annual Conference, Atlanta, June 27- July 1, 2015.
- Nasuta, D. & Ling, J. (November 2015). Understanding the Impact of Variable Refrigerant Temperature Controls on Energy Efficiency and Occupant Comfort.
- Johnson, T., Staats, W., Leick, M., Zimmerman, M., Radermacher, R., Nasuta, D., Martin, C., Kalinowski, P, Hoffman, W. (2014). Development and Testing of an Integrated Sandia Cooler Thermoelectric Device (SCTD). Sandia Report SAND2014-20146.
- Nasuta, D., Bush, J., Hwang, Y., Domitrovic, D., Radermacher, R., & Amarnath, A. (2014). Modeling Advanced Heat Pump Water Heater Systems. ASHRAE Annual Conference, Seattle, WA, June 28 – July 2, 2014.
- Johnson, T. et al. (2014). Development and Testing of an Integrated Sandia Cooler Thermoelectric Device (SCTD). Sandia Report SAND2014-20146.
- Nasuta, Dennis ; Zhang, Ming. (2011). Analysis of Ductless Heat Pump Technology Position in the United States. Prepared for Electric Power Research Institute with funding from BPA.
- Li, S., Carow, J., Bacellar, D., Martin, C. (2021). Comparative Studies of Scroll and Rotary Compressors for US Market Heat Pumps and Air Conditioners. International Compressor Engineering Conference. Paper 2664.
- Aute, V., & Martin, C. (2016). A Comprehensive Evaluation of Regression Uncertainty and the Effect of Sample Size on the AHRI-540 Method of Compressor Performance Representation. International Compressor Engineering Conference. Paper 2457.
- Carow, J. and Radermacher, R. (January 2022). Potential of R-32 for Use in Agricultural Dehumidifiers.
- Nasuta, D. & John, B. (December 2020). Estimation of Lifetime CO2 Emissions of Commercial HVAC Equipment through Building Energy Modeling.
- Nasuta, D. & Radermacher, R. (May 2016). An Evaluation of R32 for the US HVAC&R Market.
- Suxin Qian, Dennis Nasuta, Adam Rhoads, Yi Wang, Yunlong Geng, Yunho Hwang, Reinhard Radermacher, Ichiro Takeuchi. (2016). Not-in-kind cooling technologies: A quantitative comparison of refrigerants and system performance, International Journal of Refrigeration, Volume 62, February 2016, Pages 177-192, ISSN 0140-7007.
- Nasuta, Dennis; Srichai, Robert; Martin, Cara. (2014). Life cycle climate performance model for transport refrigeration / air conditioning systems. 3rd IIR International Conference on Sustainability and the Cold Chain, London, UK.
- Nasuta, D., Srichai, R., Zhang, M., Martin, C., & Muehlbauer, J. (2013). Life Cycle Climate Performance Method for Transport Refrigeration Air Conditioning Systems. ASHRAE Annual Conference, Denver, CO, June 22 – 26, 2013.
- Zhang, M. & Muehlbauer, J. (2012). Life Cycle Climate Performance Model for Residential Heat Pump Systems. International Refrigeration and Air Conditioning Conference. International Refrigeration and Air Conditioning Conference. Paper 1311.
