𝗪𝗜𝗞𝗜𝗣𝗘𝗗𝗜𝗔 𝗣𝗜𝗖𝗧𝗨𝗥𝗘 𝗢𝗙 𝗧𝗛𝗘 𝗗𝗔𝗬
✧ William Rankine ✧
William Rankine (5 July 1820 – 24 December 1872) was a Scottish mathematician and physicist. He was a founding contributor, with Rudolf Clausius and Lord Kelvin, to the science of thermodynamics, particularly focusing on its First Law. He developed the Rankine scale, a Fahrenheit-based equivalent to the Celsius-based Kelvin scale of temperature. This undated photograph of ...
#Rankine #Wikipedia
https://en.wikipedia.org/wiki/William_Rankine
🏭 A Detailed Review of Organic Rankine Cycles Driven by Combined Heat Sources
The Organic Rankine Cycle (ORC) is an effective method for transforming low- and medium-grade heat into electricity that has recently gained significant attention. Several review studies in the literature are focused on working fluids, system architecture, and the individual utilization of renewable and alternative heat sources in ORCs, like solar irradiation, geothermal, biomass, and waste heat energy. However, no studies have yet investigated ORC systems driven by two of the aforementioned sources combined. This work aims to review and explore multiple aspects of hybrid ORC systems. Such systems are categorized based on source combinations and configurations, and the results regarding their thermodynamic, thermo-economic, and environmental performance are discussed. The source arrangements follow the following three main configurations: series, parallel, and heat upgrade. Most of the examined systems include solar energy as one of the sources and only four cases involve combinations of the other three sources. The reported results show that hybrid ORCs generally perform better thermodynamically compared to their respective single-source systems, exhibiting an enhancement in power production that reaches 44%. An average levelized cost of energy (LCOE) of 0.165 USD/kWh was reported for solar–geothermal plants, 0.153 USD/kWh for solar–biomass plants, and 0.100 USD/kWh for solar–waste plants. Solar–biomass plants also reported the lowest reported LCOE value of 0.098 USD/kWh. The payback periods ranged from 2.88 to 10.5 years. Further research is proposed on multiple source combinations, the in-depth analysis of the three main configurations, the integration of polygeneration systems, the incorporation of zeotropic mixture working media and experimental research on ORCs with combined sources.
"#Stromerzeugung durch industrielle #Abwärme: Universität #Bayreuth an Pilotprojekt zur Turbinenentwicklung beteiligt"
Die Nutzung industrieller Abwärme kann sich zu .. Baustein einer von fossilen Energieträgern unabhängigen #Energiewirtschaft entwickeln. Für .. möglichst effiziente Umwandlung großer Abwärmemengen in Strom sind Turbinen mit .. hohen Wirkungsgrad erforderlich, die mit .. Umwandlungsverfahren – dem Organic #Rankine Cycle (#ORC) – arbeiten.
https://www.uni-bayreuth.de/pressemitteilung/Strom-aus-Abwaerme
28.4.2023
Die Nutzung industrieller Abwärme kann sich zu einem wichtigen Baustein einer von fossilen Energieträgern unabhängigen Energiewirtschaft entwickeln. Für eine möglichst effiziente Umwandlung großer Abwärmemengen in Strom sind Turbinen mit einem hohen Wirkungsgrad erforderlich, die mit einem speziellen Umwandlungsverfahren – dem Organic Rankine Cycle (ORC) – arbeiten. In einem Pilotprojekt zur Entwicklung einer entsprechenden Turbine kooperiert das Zentrum für Energietechnik (ZET) der Universität Bayreuth mit der TGM Kanis Turbinen GmbH in Nürnberg. Das Bayerische Staatsministerium für Wirtschaft, Landesentwicklung und Energie fördert das Vorhaben für drei Jahre mit rund 1,7 Millionen Euro.
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