Energy Recovery Systems: Heat Exchanger Analysis, Design, Fabrication, and Testing

• N.S. Panicker, M.O.G. Delchini, T. Sambor and A.S. Sabau, Computational Fluid Dynamics Investigations of Flow, Heat Transfer, and Oxidation in Heat Recovery Steam Generator, Vol. 224, 120089 Applied Thermal Engineering, 2023.
• E. Robey, S. Ramesh, A.S. Sabau, A. Abdoli, J. Black, D. Straub, J. Yip, Design Optimization of an Additively Manufactured Prototype Recuperator for Supercritical CO2 Power Cycles, Energy, Vol. 251, 123961, 2022.
• Sabau, A.S., Bejan A., Brownell D., Gluesenkamp, K.R., B.L. Murphy, List-III F.A., Carver K., Schaich C.R., and Klett J.W., Design, Additive Manufacturing, And Performance of Heat Exchanger With A Novel Flow-Path Architecture, Applied Thermal Engineering, 2020, Vol. 180, pp. 115775. publisher link.
• M. Searle, J. Black, D. Straub, J. Yip, E. Robey, S. Ramesh, A. Roy, A.S. Sabau, and D. Mollot, Heat transfer coefficients of additively manufactured tubes with internal pin fins for supercritical carbon dioxide cycle recuperators, Applied Thermal Engineering, Vol. 181, 116030, 2020.
• B.R. Betzler, et al., Transformational Challenge Reactor Conceptual Design Report, ORNL/SPR-2020/1433, TCR-DA-RPRT-001, Febr. 2020.
• Weinmeister, J. Sabau, A.S., and Jain P., Additively manufactured surface heat transfer enhancements for the transformational challenge reactor, 19th International Topical Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-19), Log nr.: 19001, Brussels, Belgium, Aug. 29 – Sept. 3, 2021.
• J. Chitale, A. Abdoli, G.S. Dulikravich, A.S. Sabau, J.B. Black, Conjugate Heat Transfer Analysis of the Supercritical CO2 Based Counter Flow Compact 3D Heat Exchangers, ITHERM 2020, Orlando, FL. July 21-23, 2020.
• Sabau, A.S. Gluesenkamp, K.R., Lafond, P. and Brownell, D., Certification and User Manual for A 5kW Heat Exchanger Test Loop at Low Temperatures and High-Pressures, 2020, ORNL/TM-2019/1403, download link.
• Nejad A.H., Kivanc E., Sabau A.S., Bejan A., and Arimilli R.V., Counter cross-flow evaporator geometries for supercritical organic Rankine cycles, International Journal of Heat and Mass Transfer, Vol. 135, pp. 425-435, 2019
• Sabau A.S., A.H. Nejad, Klett J.W., Bejan A., and Kivanc E., Novel Evaporator Architecture with Entrance-Length Crossflow-Paths For Supercritical Organic Rankine Cycles, Int. Journal of Heat and Mass Transfer, Vol. 119, pp. 208-222, 2018.
• Bejan A., Alalaimi M., Sabau A.S., Lorente A., Entrance-length Dendritic Plate Heat Exchangers, Int. Journal of Heat and Mass Transfer, Vol. 114, pp. 1350-1356, 2017.
• Bejan A., Alalaimi M., Lorente A., Sabau A.S., and Klett J.W., Counterflow heat exchanger with core and plenums at both ends, Int. Journal of Heat and Mass Transfer, Vol. 99, pp. 622-629, 2016.
• Bejan A., Almerbati A., Lorente A., Sabau A.S., and Klett J.W., Arrays of flow channels with heat transfer embedded in conducting walls, Int. Journal of Heat and Mass Transfer, Vol. 99, pp. 504-511, 2016.
• Yin H., Sabau A.S., Conklin J.C., McFarlane J. and Qualls A.L., Mixtures of SF6-CO2 as working fluids for geothermal power plants, Applied Energy, Vol. 106, pp. 243-253, 2013.
• Vidhi R., Goswami Y., Chen J., Stefanakos E., Kuravi S., Sabau A.S., Organic Fluids in a Supercritical Rankine Cycle for Low Temperature Power Generation, J. Energy Resour. Technol., Vol. 135, 042002, 9 pages, 2013.
• Sabau, A.S. and Wright, I.G. The effects of changing fuels on hot gas path conditions in syngas turbines, Journal of Engineering for Gas Turbines and Power, Vol. 13, Article no. 044501, 2009.
• Sabau A.S., Nejad A.H., Klett James W., Bejan A., and Ekici K., Novel evaporator geometries based on entrance-length flowpaths for geothermal binary power plants, paper IMECE2016-67660, Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition IMECE2016, November 11-17, 2016, Phoenix, Arizona, USA.
• Sabau A.S., Nejad A.H., Klett James W., Bejan A., and EKICI K., Multi-scale Evaporator Architectures for Geothermal Binary Power Plants, \\ https://pangea.stanford.edu/ERE/db/GeoConf/papers/SGW/2016/Sabau.pdf\\ 41TH ANNUAL Stanford Geothermal Workshop, Stanford, CA, Febr. 22-24, 2016.
• Vidhi R., Kuravi S., Besarati S., E.K. Stefanakos, D. Yogi Goswami, and A.S. Sabau, Performance of working fluids for power generation in a supercritical organic Rankine cycle, Proceedings of the ASME 2012 6th International Conference on Energy Sustainability \& 10th Fuel Cell Science, Engineering and Technology Conference, Paper 91473, ESFuelCell2012, July 23-26, 2012, San Diego, CA.
• Sabau A.S., Yin, H., Mcfarlane J., Gruszkiewicz M., Conklin, J.C., Qualls L.A., And Pawel, S.J., Mixtures of CO2-SF6 as Working Fluids for Geothermal Plants, submitted for the Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition, IMECE2011, Nov. 11-17, 2011, Denver, CO.
• Sabau A.S, Yin H., Qualls L.A., and McFarlane J., Investigations of supercritical CO2 Rankine cycles for geothermal power plants, 2011 Supercritical CO2 Power Cycle Symposium, Boulder, CO, May 24-25, 2011.
• Vidhi R., Goswami Y., Chen J., Stefanakos E., Kuravi S., Sabau A.S., Study of Supercritical Carbon Dioxide Power Cycle for Low Grade Heat Conversion, 2011 Supercritical CO2 Power Cycle Symposium, Boulder, CO, May 24-25, 2011.
• McFarlane J., Qualls L., Sabau A.S., Wright S., Yin H. Air versus Water Cooling in Engineered Geothermal Systems, Groundwater Protection Council Annual Forum, Sept. 24-28, 2011, Atlanta, GA.
• Sabau, A.S. and Wright, I.G. Numerical Simulations of The Effects of Changing Fuel for Turbines Fired by Natural Gas and Syngas, paper no. GT2007-27530, ASME Turbo Expo 2007, Montreal, Canada, May 14-17, 2007, Vol.2, pp. 413-422. \vspace*{-0.120in}
• Sabau, A.S. and Wright, I.G. Integration of Thermodynamic and Heat Transfer Models for Turbines Fired by Syngas and Hydrogen, Materials in Clean Power Systems II: Fuel Cells, Solar, and Hydrogen-Based Technologies, TMS Annual Meeting, Orlando, Florida, February 25-March 1, 2007, pp. 43-52. \vspace*{-0.120in}
• Wright, I.G., Gibbons, T.B., Sabau, A.S., Pint, B.A., High-Temperature Materials Issues in Syngas/Hydrogen-Fired Turbines, TMS Materials in Clean Power Systems: Applications, Corrosion, and Protection: Hydrogen Separation, Delivery, and Materials Issues in Clean Power Plants, TMS Annual Meeting, San Antonio, TX, March 12-16, 2006, pp. .