Results 91 to 100 of about 5,660,686 (214)

Exergy analysis of an inter-city bus air-conditioning system

open access: yes, 2016
In this paper, exergy analysis was implemented to improve the intercity bus air-conditioning (AC) system design. Firstly, an inter-city bus with a passenger capacity of 56 people was selected and then its hourly cooling load capacity was determined with ...
Tosun, E.   +4 more
core   +2 more sources

Exergy analysis of the boiler using the pinch method

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2019
This article will help to consider the problem of thermodynamic optimization of heat power equipment. Solving this issue will allow to increase the energy efficiency of thermal systems by reducing the cost of energy resources.
E. A. Yushkova, V. A. Lebedev
doaj   +1 more source

Exergy Analysis of SI Engines

open access: yes, 2008
In this study, exergy (availability) analysis of a Spark Ignition (SI) engine has been performed theoretically during compression, combustion and expansion processes of the engine cycle.
Bilgin, Atilla, Sezer, İsmet
core   +1 more source

Energetic and Exergetic Analysis of an Ejector-Expansion Refrigeration Cycle Using the Working Fluid R32

open access: yesEntropy, 2015
The performance characteristics of an ejector-expansion refrigeration cycle (EEC) using R32 have been investigated in comparison with that using R134a.
Zhenying Zhang   +4 more
doaj   +1 more source

Conventional and advanced exergy analyses of an air-conditioning system in a subway station

open access: yes, 2019
Air-conditioning systems in subway stations consume a large amount of energy. In this study, conventional and advanced exergy analyses were carried out to determine the energy-saving potential of an air-conditioning system in a subway station.
Tang, Zhihua   +4 more
core   +2 more sources

grinker4821/Isothermal-Air-Separation-Exergy: Code Release

open access: yes
<p>This code was used to obtain figures for the manuscript, "Minimum work associated with separating nitrogen from air: An exergy analysis" by Garrett Rinker.</p ...
grinker4821
core   +1 more source

Comprehensive Modeling and Energy-Exergy Analysis of Compressed Air Energy Storage Systems Based on Standard Thermal Resistance Method

open access: yes发电技术
ObjectivesIn order to effectively improve the energy storage characteristics and system efficiency of compressed air energy storage (CAES) systems, the performance of each component and their coupling characteristics are modeled and analyzed.MethodsIn ...
HU Zeling   +5 more
doaj   +1 more source

Thermodynamic and exergy efficiencies of magnetocaloric energy conversion utilising industrial waste heat

open access: yes
An investigation under which conditions industrial waste heat utilised with magnetic energy conversion machines can be a possible alternative to conventional energy conversion technologies is presented.
Gonin, C.   +3 more
core   +1 more source

Performance assessment of a novel auto-cascade heat pump using low-GWP refrigerant for obtaining high-temperature water [PDF]

open access: yesInternational Journal of Fluid Engineering
With the aim of developing a high-temperature heat pump with a large temperature lift, a novel auto-cascade heat pump using low global warming potential (GWP) refrigerant is proposed. Owing to the large exergy destruction between the refrigerant and heat
Gang Yan, Yuqing Yang, Yinlong Li
doaj   +1 more source

Understanding the exergy of cold: theory and practical examples

open access: yes, 2010
Exergy analysis is used to evaluate the thermodynamic performance of processes, including energy conversion and supply systems. This often involves the calculation of the exergy of heat, at a temperature either above or below the environmental ...
Jansen, S.C. (author)   +1 more
core  

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