Results 31 to 40 of about 5,581,186 (359)

Carbon Dioxide Mixtures as Working Fluid for High-Temperature Heat Recovery: A Thermodynamic Comparison with Transcritical Organic Rankine Cycles

, 2020
This study aims to provide a thermodynamic comparison between supercritical CO 2 cycles and ORC cycles utilizing flue gases as waste heat source. Moreover, the possibility of using CO 2 mixtures as working fluids in transcritical cycles to enhance the ...
Abubakr Ayub, C. Invernizzi, G. Di Marcoberardino, P. Iora, G. Manzolini   +4 more
semanticscholar   +1 more source

Energy, Exergy and Environmental Analysis of ORC Waste Heat Recovery from Container Ship Exhaust Gases Based on Voyage Cycle

Journal of Marine Science and Engineering, 2023
Recovering the waste heat of a marine main engine (M/E) to generate electricity was an environmental way to minimize the carbon dioxide emissions for ships, especially with organic Rankine cycle (ORC) technology.
Long Lyu, Ankang Kan, Wu Chen, Yuan Zhang, Bingchun Fu   +4 more
doaj   +1 more source

Thermodynamic Investigation of a Trigeneration ORC Based System Driven by Condensing Boiler Hot Water Heat Source Using Different Working Fluids [PDF]

Journal of Renewable Energy and Environment, 2021
This study conducts thermodynamic analysis on three trigeneration cycles including Organic Rankine Cycle (ORC), Liquefied Natural Gas (LNG) cold energy, and absorption refrigeration cycle in order to select appropriate working fluids.
Iraj Mirzaee, Aref Razmjoo, Nader Pourmahmoud   +2 more
doaj   +1 more source

Perioperative fluid therapy in adults and children: a narrative review

Frontiers in Medicine
Intravenous fluid administration is an important part of the management of the surgical patient. Fluid can be used to compensate for the normal turnover of fluid and electrolytes (maintenance), to replace losses, to expand the extracellular fluid space ...
Juan Victor Lorente, Juan Victor Lorente, Mónica Hervías Sanz, Mónica Hervías Sanz, Javier Ripollés-Melchor, Javier Ripollés-Melchor, Javier Ripollés-Melchor, Robert G. Hahn   +7 more
doaj   +1 more source

Optimization of Organic Rankine Cycles for Waste Heat Recovery From Aluminum Production Plants

Frontiers in Energy Research, 2019
This paper presents the optimization of organic Rankine cycles (ORCs) for recovering waste heat from a hypothetical aluminum production plant to be installed in Norway.
Alessandro Francesco Castelli, Alessandro Francesco Castelli, Cristina Elsido, Roberto Scaccabarozzi, Lars O. Nord, Emanuele Martelli   +5 more
doaj   +1 more source

Solar energy-assisted CCHP cycles for dairy applications in rural sector with effect assessment of reheating on novel CO2 working fluid

Cogent Engineering
This study investigates two configurations of novel solar energy-assisted combined cooling, heating and power (CCHP) systems suitable for the dairy industry. The system uses carbon dioxide (CO2) as the working fluid.
Ravindra Vutukuru, J. Giri, Mohammad Amir, R. Chadge, T. Sathish   +4 more
semanticscholar   +1 more source

Optimization of the Changing Phase Fluid in a Carnot Type Engine for the Recovery of a Given Waste Heat Source

Entropy, 2015
A Carnot type engine with a changing phase during the heating and the cooling is modeled with its thermal contact with the heat source. In a first optimization, the optimal high temperature of the cycle is determined to maximize the power output.
Mathilde Blaise, Michel Feidt, Denis Maillet   +2 more
doaj   +1 more source

Research Progress on CO2 as Geothermal Working Fluid: A Review

Energies
With the continuous increase in global greenhouse gas emissions, the impacts of climate change are becoming increasingly severe. In this context, geothermal energy has gained significant attention due to its numerous advantages. Alongside advancements in
Lianghan Cong, Shuaiyi Lu, Pan Jiang, Tianqi Zheng, Ziwang Yu, Xiaoshu Lü   +5 more
semanticscholar   +1 more source

Increasing the efficiency of low-temperature power plants by selecting the optimal working fluid of the auxiliary circuit

Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2022
The article discusses one of the ways to improve the efficiency of low-temperature power plants. Selection of the working substance for the auxiliary low-temperature power circuit is a relevant option for increasing the power.
I. A. Eliseev, V. V. Tochenov, R. A. Panshin   +2 more
doaj   +1 more source

Natural Working Fluids for Absorption Refrigeration

, 2022
European and global regulations on greenhouse gases are constantly evolving. Most of the fluorinated refrigerants currently used are close to be banned due to their high global warming potentials. Therefore new alternatives less harmful to the environment need to be developed.
Kerleaux, Marianne, Rodier, Laurence, Andanson, Jean-Michel, Dequidt, Alain, Coulier, Yohann   +4 more
openaire   +2 more sources