Results 31 to 40 of about 48,557 (213)

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

Energies, 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, Mikhail Sorin, Sébastien Poncet   +2 more
doaj   +1 more source

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

Alexandria 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, Fatma H. Ashour, Mamdouh A. Gadalla, Rania Farouq   +3 more
doaj   +1 more source

Multiobjective genetic algorithm strategies for electricity production from generation IV nuclear technology [PDF]

, 2010
Development of a technico-economic optimization strategy of cogeneration systems of electricity/hydrogen, consists in finding an optimal efficiency of the generating cycle and heat delivery system, maximizing the energy production and minimizing the ...
Azzaro-Pantel, Catherine, Domenech, Serge, Gomez, Adrien, Haubensack, David, Latgé, Christian, Pibouleau, Luc   +5 more
core   +2 more sources

Steady state simulation and exergy analysis of supercritical coal-fired power plant with CO₂ capture [PDF]

, 2015
Integrating a power plant with CO₂ capture incurs serious efficiency and energy penalty due to use of energy for solvent regeneration in the capture process.
Kelsall, Greg, Olaleye, Akeem K., Wang, Meihong   +2 more
core   +2 more sources

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

Case 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, Anbo Zheng, Lu Yang, Chenlin Pan, Wei Sun, Yang Liu   +5 more
doaj   +1 more source

Evaluating the Rationale for Folding Wing Tips Comparing the Exergy and Breguet Approaches [PDF]

, 2017
The design and development processes for future aircraft aims to address the environmental and efficiency challenges needed to facilitate the engineering of concepts that are far more integrated and require a multidisciplinary approach.
Hayes, D., Lone, M. Mudassir, Whidborne, James F.   +2 more
core   +1 more source

Experimental investigation of a cascaded organic Rankine cycle plant for the utilization of waste heat at high and low temperature levels [PDF]

, 2020
A power plant with two cascaded organic Rankine cycles (CORC) to exploit waste heat from a 800 kWe combined heat and power plant, fueled by biogas, is designed and tested.
Heim, André, Linnemann, Matthias, Priebe, Klaus-Peter, Vrabec, Jadran, Wolff, Carsten   +4 more
core   +1 more source

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

Scientific 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, O.I. Inah, S.O. Effiom, D.I. Ntunde, H.U. Ugwu, M.C. Ndukwu, O.D. Samuel   +6 more
doaj   +1 more source

Exergetic, exergoeconomic and exergoenvironmental analysis of intercooled gas turbine engine [PDF]

, 2016
Exergetic and exergoeconomic and exergoenvironmental analyses have been performed for an advanced aero-derivative intercooled gas turbine engine. The proposed system was modelled using the IPSEpro software package and validated using manufacturer’s ...
Al-Mutawa, Nawaf, Almutairi, Abdulrahman S., Pilidis, Pericles   +2 more
core   +1 more source

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

Open 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, Ryoma Kataoka, Takao Nakagaki   +2 more
doaj   +1 more source