可逆涡轮机械 - 热网存储的核心使能技术.pdf

Reversing Turbomachinery: A Central Enabling Technology of Thermal Grid Storage R. B. Laughlin TMCES, Pittsburgh, 3 Feb 20 R. B. Laughlin, “Pumped Thermal Grid Storage With Heat Exchange,” J. Renew. Sustain. Energy 9, 044103 (2017). The Problem – Part I Source: “BP Statistical Review of World Energy 2018,” British Petroleum, June 2018. The Problem – Part II Source: “Renewables Watch for Operating Day: Monday, 01 April, 2019,” California Independent System Operator, 2019. The Problem – Part III Sources: R. Fu et al., NREL/TP-6A20-7174, Nov. 18; S. Few et al., Energy Policy 114, 578 (2018); D. Feldman et al., NREL/TP-6A20-66592, Aug. 16; T. Key et al., EPRI 1023144, Feb 13; T. Lüth et al., Energy Proc. 155, 379 (2018); C. S. Turchi et al., NREL/TP-5506-22856, May 19; N. Diorio et al., NREL/TP- 6A20/64987, Nov. 15. Idea! Marry Salt Tanks from Andasol ... With Closed-Cycle Brayton Engine Source: J. Ackeret u D. C. Keller, “Aerodynamische Brennkraftmaschine mit geschlossenem Kreislauf,” Zeitschrift des Vereines Deutscher Ingenieure 85, No. 22, 491 (1941). Viola! Reversible Thermal Storage Recuperated Version Ideal Adiabatic Cycle Actual Cycle Relevant Equations R. B. Laughlin, “Pumped Thermal Grid Storage With Heat Exchange,” J. Renew. Sustain. Energy 9, 044103 (2017). The Problem – Part IV Old Mandate: Minimize Weight! … Load Turbine Stages Heavily! Source: M. Kazari and R. Tanaka, “Improving Cooling Effectiveness of Gas Turbines Through Design Exploration,” Power Engineering International, 1 Nov 16. New Mandate: Minimize Cost … Load Turbine Stages Lightly! Reversible Blading Strategy Reversible Compressor Reversible Turbine … But Modern Turbocompressors Already Have This Property! Left: Rotor of Siemens SGT5 se