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Working Fluid Selection for Organic Rankine Cycle Using Single-Screw Expander [PDF]

open access: yesEnergies, 2019
The organic Rankine cycle (ORC) is a popular technology used in waste heat recovery and medium-low-temperature heat utilization. Working fluid plays a very important role in ORC.
Xinxin Zhang   +5 more
doaj   +3 more sources

Zeotropic Mixture Selection for an Organic Rankine Cycle Using a Single Screw Expander [PDF]

open access: yesEnergies, 2020
The organic Rankine cycle (ORC) is a popular and promising technology that has been widely studied and adopted in renewable and sustainable energy utilization and low-grade waste heat recovery.
Xinxin Zhang   +5 more
doaj   +3 more sources

Performance Study on a Single-Screw Expander for a Small-Scale Pressure Recovery System [PDF]

open access: yesEnergies, 2016
A single-screw expander with 195 mm diameter is developed to recover pressure energy in letdown stations. An experiment system is established using compressed air as a working fluid instead of natural gas.
Guoqiang Li   +5 more
doaj   +3 more sources

Performance Improvement of KCS (Kalina Cycle System) 34 by Replacing Throttle Valve With Single-Screw Expander

open access: yesFrontiers in Energy Research, 2021
In order to recover the energy loss due to the throttling in the path of ammonia-lean solution in the Kalina Cycle System (KCS) 34, two redesigned cycles, in which single-screw expanders that can perform two-phase expansion are used to replace the ...
Xinxin Zhang   +9 more
doaj   +2 more sources

Experimental Study on Heat Loss of a Single Screw Expander for an Organic Rankine Cycle System

open access: yesFrontiers in Energy Research, 2020
For displacement expanders, the irreversible losses include leakage, friction, heat dissipation, and flow resistance. Currently, the research on the heat loss of expanders is scarce, especially with regards to experimental studies.
Wei Wang   +9 more
doaj   +2 more sources

Resonance Analysis of Single Screw Expander Based on Compressed Air Energy Storage System

open access: yesJournal of Physics: Conference Series, 2023
As an important technology to achieve energy restructuring, electricity storage plays an important role in the mission of carbon neutrality in today’s society.
Xiao-tong Song   +5 more
semanticscholar   +2 more sources

Waste Heat Recovery from Diesel Engine Exhaust Using a Single-Screw Expander Organic Rankine Cycle System: Experimental Investigation of Exergy Destruction

open access: yesEnergies, 2020
The organic Rankine cycle is a mature small-scale power generation technology for harnessing low- to mid-temperature heat sources. However, the low efficiency of the cycle still hinders its widespread implementation.
Yeqiang Zhang   +7 more
doaj   +2 more sources

Modification of KCS (Kalina Cycle System) 34g by replacing throttle valve with single-screw expander

open access: yesThermal Science, 2021
Recovery of the energy loss caused by throttling plays an important role in improving the performance of a cycle. Based on the original Kalina Cycle System 34g, two redesigned cycles, which have different placement of single-screw expanders used to ...
Xinxin Zhang, Zhenlei Li
semanticscholar   +3 more sources

White M. T., Read M. G., Sayma A. I. Comparison between single and cascaded organic Rankine cycle systems accounting for the effects of expansion volume ratio on expander performance / trans. from Engl. M. A. Fedorova [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020
Compared to single-stage organic Rankine cycle (ORC) systems, cascaded ORC systems, in which a high-temperature topping cycle and low-temperature bottoming cycle are coupled together, could have advantages in terms of removing the potential for sub ...
M. A. Fedorova
doaj   +1 more source

CFD Simulations of Single- and Twin-Screw Machines with OpenFOAM

open access: yesDesigns, 2020
Over the last decade, Computational Fluid Dynamics (CFD) has been increasingly applied for the design and analysis of positive displacement machines employed in vapor compression and power generation applications.
Nicola Casari   +4 more
doaj   +1 more source

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