Results 11 to 20 of about 5,208 (180)

Energy and Exergy Analysis of Internal Combustion Engine Performance of Spark Ignition for Gasoline, Methane, and Hydrogen Fuels [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
Exergy analysis is a tool to determine the share of processes involved in transferring input functionality to the system and where the useful energy loss occurs in a system or process. In this study, an exergy comparison of the performance of an internal
Nima Norouzi   +4 more
doaj   +1 more source

Studies of the unavoidable exergy loss rate and analysis of influence parameters for pipeline transportation process

open access: yesCase Studies in Thermal Engineering, 2018
According to the exergy balance relationship among the various items in the crude oil transportation process system, the exergy balance equation is established and each exergy loss is calculated.
Qinglin Cheng   +6 more
doaj   +1 more source

Analysis and Optimization of Exergy Flows inside a Transcritical CO2 Ejector for Refrigeration, Air Conditioning and Heat Pump Cycles

open access: yesEnergies, 2019
In this study, the exergy analysis of a CO2 (R744) two-phase ejector was performed using a 1D model for both single and double choking conditions. The impact of the back pressure on the exergy destruction and exergy efficiencies was presented to evaluate
Sahar Taslimi Taleghani   +2 more
doaj   +1 more source

Thermodynamic analysis of combined cycle plant operation as part of an energy-saving system based on an absorption bromide-lithium refrigerating machine [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020
The main directions of research of the current energy-generating system, taking into account its technical limitations, are optimization and forecasting based on the analysis of its operating modes.
L. V. Galimova, D. Z. Bairamov
doaj   +1 more source

Exergy study of amine regeneration unit for diethanolamine used in refining gas sweetening: A real start-up plant

open access: yesAlexandria Engineering Journal, 2022
Diethanolamine (DEA) solutions are used in refineries to sweeten gas. DEA is responsible for absorbing H2S from sour gas. In an Amine Regeneration Unit (ARU), the rich amine with H2S is regenerated. A refining column in the Middle East started commercial
Ahmed Y. Ibrahim   +3 more
doaj   +1 more source

Studies on energy consumption of crude oil pipeline transportation process based on the unavoidable exergy loss rate

open access: yesCase Studies in Thermal Engineering, 2018
In order to ensure the crude oil pipeline process smoothly, the driving force has a certain exergy loss. Based on the exergy analysis method, according to the required minimum potential difference of pipeline transportation, the unavoidable exergy loss ...
Qinglin Cheng   +5 more
doaj   +1 more source

Revisiting the Rist diagram for predicting operating conditions in blast furnaces with multiple injections [version 1; peer review: 2 approved]

open access: yesOpen Research Europe, 2021
Background: The Rist diagram is useful for predicting changes in blast furnaces when the operating conditions are modified. In this paper, we revisit this methodology to provide a general model with additions and corrections.
Manuel Bailera   +2 more
doaj   +1 more source

Projection of sustainability indicators, emissions and improvement potential of the energy drivers in the Nigerian transport sector based on exergy procedure

open access: yesScientific African, 2022
The exergetic sustainability, emissions pattern and improvement potential of the Nigerian transport sector (NTPS) is presented. The historical and projected energy consumption from 1988 to 2019 and 2020–2040 were considered.
F.I. Abam   +6 more
doaj   +1 more source

Sustainability Enhancement of a Biomass Boiler through Exergy Analysis

open access: yesProceedings, 2017
Investigations on exergy resources are important from the point of energy sustainability. In the presented study, an energy and exergy analysis of the operating biomass and natural gas boilers at the University of Idaho (UI) district energy plant is ...
Marc Compton, Behnaz Rezaie
doaj   +1 more source

Exergy Analysis of Thermal Power Plant for Three Different Loads

open access: yesTehnički Glasnik, 2023
This paper presents the energy and exergy analysis of thermal power plant Tuzla in Tuzla, Bosnia and Herzegovina. The main aim of this paper is to analyze the components of a 200 MW steam power plant unit in order to identify and quantify the sites with ...
Nurdin Ćehajić
doaj   +1 more source

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