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Proceedings Papers

A Comparative Study of Scroll Expander Performance Using CO 2 and Zeotropic Mixtures As Working Fluids

Arun Kumar Narasimhan, Diego Guillen Perez, D. Yogi Goswami
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T02A025, December 5–6, 2019
Paper No: GTINDIA2019-2711
DOI: https://doi.org/10.1115/GTINDIA2019-2711
... Abstract Scroll expanders are generally used for low temperature power generation applications due to their inherently small built-in volume ratio. The working fluid and operating conditions play an important role in the expander performance as well as its physical size and volume ratio. Hence...
View Paper titled, A Comparative Study of <span class="search-highlight">Scroll</span> <span class="search-highlight">Expander</span> Performance Using CO 2 and Zeotropic Mixtures As Working Fluids
Click here to open pdf in another window PDF for A Comparative Study of <span class="search-highlight">Scroll</span> <span class="search-highlight">Expander</span> Performance Using CO 2 and Zeotropic Mixtures As Working Fluids
Topics: Carbon dioxide, Fluids, Organic Rankine cycle, Supercritical carbon dioxide, Brayton cycle, Cycles, Temperature, Distributed power generation, Energy generation, Geometry
Proceedings Papers

Dynamic Behavior and Off-Design Performance Analysis of Solar Driven ORC Using Scroll Expanders

Ying Zhang, Arun Kumar Narasimhan, Mengjie Bai, Li Zhao, Shuai Deng, D. Yogi Goswami
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T06A015, December 5–6, 2019
Paper No: GTINDIA2019-2626
DOI: https://doi.org/10.1115/GTINDIA2019-2626
... Abstract Solar driven ORC system is a possible solution for small-scale power generation. A scroll expander is considered due to its better suitability among other positive displacement expanders for small-scale power outputs. This work conducted a test of an ORC system with an expansion valve...
View Paper titled, Dynamic Behavior and Off-Design Performance Analysis of Solar Driven ORC Using <span class="search-highlight">Scroll</span> <span class="search-highlight">Expanders</span>
Click here to open pdf in another window PDF for Dynamic Behavior and Off-Design Performance Analysis of Solar Driven ORC Using <span class="search-highlight">Scroll</span> <span class="search-highlight">Expanders</span>
Topics: Design, Organic Rankine cycle, Solar energy
Proceedings Papers

Performance Improvement of a Combined Power and Cooling Cycle for Low Temperature Heat Sources Using Internal Heat Recovery and Scroll Expander

Martina Leveni, Arun Kumar Narasimhan, Eydhah Almatrafi, D. Yogi Goswami
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T06A017, December 5–6, 2019
Paper No: GTINDIA2019-2715
DOI: https://doi.org/10.1115/GTINDIA2019-2715
... cycle that produces power and refrigeration by using ammonia-water mixture for low temperature heat sources. In the present study, a scroll expander is modeled specifically for the cycle operating conditions and a theoretical investigation is conducted to determine the cycle performance. A scroll...
View Paper titled, Performance Improvement of a Combined Power and Cooling Cycle for Low Temperature Heat Sources Using Internal Heat Recovery and <span class="search-highlight">Scroll</span> <span class="search-highlight">Expander</span>
Click here to open pdf in another window PDF for Performance Improvement of a Combined Power and Cooling Cycle for Low Temperature Heat Sources Using Internal Heat Recovery and <span class="search-highlight">Scroll</span> <span class="search-highlight">Expander</span>
Topics: Cooling, Cycles, Heat, Heat recovery, Low temperature