A mathematical framework for modelling and evaluating natural gas pipeline networks under hydrogen injection [PDF]
, 2008 This article presents the framework of a mathematical formulation for modelling and evaluating natural gas pipeline networks under hydrogen injection. The model development is based on gas transport through pipelines and compressors which compensate for ...
Azzaro-Pantel, Catherine +3 more
core +3 more sources
Experimental Investigation of the Performance of a Hermetic Screw-Expander Organic Rankine Cycle
Energies, 2014 In this study, the authors experimentally investigate the performance of the organic Rankine cycle (ORC) and screw expander under the influence of supply pressure and pressure ratio over the expander.
Sung-Wei Hsu +2 more
doaj +1 more source
, 2015 Extraction of charge carriers from a hot carrier solar cell using energy selective contacts, and the impact on limiting power conversion efficiency is analyzed.
Bremner, Stephen, Limpert, Steven
core +1 more source
Entropy, 2014 The effect of the internal heat exchanger (IHE) on the performance of the transcritical carbon dioxide refrigeration cycle with an expander is analyzed theoretically on the basis of the first and second laws of thermodynamics.
Zhenying Zhang +3 more
doaj +1 more source
Numerical Investigation of Compression and Expansion Process of Twin-Screw Machine Using R-134a
Energies, 2023 Increasing the efficiency of twin-screw machines is beneficial for gas compression and expansion applications. We used a computation fluid dynamic approach to obtain the flow field and efficiency of a twin-screw machine that used R-134a as the working ...
Chia-Cheng Tsao +4 more
doaj +1 more source
Development and Validation of a Thermo-Economic Model for Design Optimisation and Off-Design Performance Evaluation of a Pure Solar Microturbine [PDF]
, 2018 The aim of this paper is to present a thermo-economic model of a microturbine for solar dish applications, which demonstrates the applicability and accuracy of the model for off-design performance evaluation and techno-economic optimisation purposes. The
Al Zaili, J. +4 more
core +1 more source
Disc Thickness and Spacing Distance Impacts on Flow Characteristics of Multichannel Tesla Turbines
Energies, 2018 Tesla turbines are a kind of unconventional bladeless turbines, which utilize the viscosity of working fluid to rotate the rotor and realize energy conversion.
Wenjiao Qi +4 more
doaj +1 more source
A regenerative supercritical-subcritical dual-loop organic Rankine cycle system for energy recovery from the waste heat of internal combustion engines [PDF]
, 2017 Organic Rankine cycle (ORC) system is considered as a promising technology for energy recovery from the waste heat rejected by internal combustion (IC) engines.
Wang, Enhua +3 more
core +1 more source
Performance Analysis of Organic Rankine Cycle with the Turbine Embedded in a Generator (TEG)
Energies, 2022 The organic Rankine cycle (ORC) is a thermodynamic cycle in which electrical power is generated using an organic refrigerant as a working fluid at low temperatures with low-grade enthalpy.
Jung-Bo Sim, Se-Jin Yook, Young Won Kim
doaj +1 more source
Additive Manufacturing of NiTi Shape Memory Alloys for Elastocaloric Applications: A Review
Advanced Functional Materials, EarlyView.Additive manufacturing enables complex NiTi architectures that overcome key limitations in elastocaloric refrigeration, including poor heat transfer and high mechanical work input. This review surveys recent advances in LPBF‐ and DED‐fabricated NiTi shape memory alloys for elastocaloric applications, highlighting process–structure–performance ...
Ignatius Andre Setiawan +7 more
wiley +1 more source