Numerical Study On The Internal Irreversible Flow Loss of Single Screw Expanders [PDF]
, 2021 Abstract As a type of positive displacement expander, single screw expander (SSEs) can be widely applied in the energy storage systems and waste heat recovery field. The irreversible losses (such as leakage, flow, heat transfer, intake and exhaust pressure loss…) have great influence on the expander performance.
Lili Shen +5 more
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Different Numerical Approaches for the Analysis of a Single Screw Expander
Energy Procedia, 2016 Abstract Positive displacement machines (e.g. scroll, twin screw, reciprocating, etc.) are proven to be suitable as expanders for organic Rankine cycle (ORC) applications, especially in the medium to low power range. However, in order to increase their performance, detailed simulation models are required to optimize the design and reduce the internal
SUMAN, Alessio +5 more
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Comparison between single and cascaded organic Rankine cycle systems accounting for the effects of expansion volume ratio on expander performance [PDF]
, 2019 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 ...
A I Sayma +6 more
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Energies, 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
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Closed-Loop PI Control of an Organic Rankine Cycle for Engine Exhaust Heat Recovery
Energies, 2020 The internal combustion engine (ICE) as a main power source for transportation needs to improve its efficiency and reduce emissions. The Organic Rankine Cycle (ORC) is a promising technique for exhaust heat recovery.
Wen Zhang +4 more
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Expander selection for an on board ORC energy recovery system [PDF]
, 2017 This paper deals with the comparison between volumetric expanders (screw, scroll and rotary vane) and an Inlet Forward Radial (IFR) micro turbine for the exploitation of an on board Organic Rankine Cycle (ORC) energy recovery system.
Capata, Roberto, Fabio, Pantano
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Optimisation of power generation cycles using saturated liquid expansion to maximise heat recovery [PDF]
, 2017 The use of two-phase screw expanders in power generation cycles can achieve an increase in the utilisation of available energy from a low-temperature heat source when compared with more conventional single-phase turbines. The efficiency of screw expander
Read, M. G., Smith, I. K., Stosic, N.
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Operation Characteristics and Transient Simulation of an ICE-ORC Combined System
Applied Sciences, 2019 Currently, internal combustion engines (ICEs) are still the main power for transportation. Energy conservation and emission reduction for ICEs have become the driving force of the industrial R&D in recent years.
Tong Liu +6 more
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Numerical investigation of oil injection in a Roots blower operated as expander [PDF]
, 2019 The adoption of positive displacement machines as expanders in Organic Rankine Cycles (ORCs) is increasingly common, especially in the low to medium power range. At the same time, these devices often serve as compressor in Vapor-Compression Refrigeration
+16 more
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Development and a Validation of a Charge Sensitive Organic Rankine Cycle (ORC) Simulation Tool
Energies, 2016 Despite the increasing interest in organic Rankine cycle (ORC) systems and the large number of cycle models proposed in the literature, charge-based ORC models are still almost absent.
Davide Ziviani +7 more
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