Results 21 to 30 of about 3,857,406 (284)

WASTE HEAT RECOVERY IN HEAT PUMP SYSTEMS: SOLUTION TO REDUCE GLOBAL WARMING

open access: yesInternational Islamic University Malaysia Engineering Journal, 2015
Energy conversion technologies, where waste heat recovery systems are included, have received significant attention in recent years due to reasons that include depletion of fossil fuel, increasing oil prices, changes in climatic conditions, and global ...
Y. Baradey   +3 more
doaj   +1 more source

The Role of Low Temperature Waste Heat Recovery in Achieving 2050 Goals: A Policy Positioning Paper

open access: yesEnergies, 2020
Urban waste heat recovery, in which low temperature heat from urban sources is recovered for use in a district heat network, has a great deal of potential in helping to achieve 2050 climate goals.
Edward Wheatcroft   +4 more
doaj   +1 more source

Model-Based Contract Design for Low Energy Waste Heat Contracts: The Route to Pricing

open access: yesEnergies, 2021
Urban Waste Heat Recovery, heat recovery from low-temperature urban sources such as data centres and metro systems, has a great deal of potential in terms of meeting domestic and commercial heat demands whilst significantly reducing carbon emissions ...
Edward Wheatcroft   +4 more
doaj   +1 more source

Exergy analysis of the multi-stage slag waste heat recovery system [PDF]

open access: yesE3S Web of Conferences, 2020
Based on the black-box model, this paper analyzed the multi-stage slag waste heat recovery system. The exergy efficiency, the exergy loss coefficient and the exergy loss rate were adopted as evaluation indexes to investigate the energy consumption and ...
Duan Wenjun   +3 more
doaj   +1 more source

Klotsche K., Micus F., Thomas C., Hesse U. Waste heat recovery for reciprocating compressors / trans. from Engl. M. A. Fedorova [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020
In many important industries (oil and gas, process gases, chemical process engineering) multi-stage reciprocating compressors are used, especially for high pressure ratios.
M. A. Fedorova
doaj   +1 more source

Simulation and Economic Research of Circulating Cooling Water Waste Heat and Water Resource Recovery System

open access: yesEnergies, 2021
Industrial circulating cooling water contains a large amount of low-quality energy, which is lost to the environment through cooling towers. It is of great significance and potential to recover the waste heat to improve energy-saving effects and economic
Li Yang   +4 more
doaj   +1 more source

Contracts, Business Models and Barriers to Investing in Low Temperature District Heating Projects

open access: yesApplied Sciences, 2019
Approximately 1.2 EJ of energy are potentially available for recovery each year from urban heat sources in the EU. This corresponds to more than 10 percent of the EU’s total energy demand for heat and hot water.
Kristina Lygnerud   +2 more
doaj   +1 more source

Options for solar thermal and heat recovery loop hybrid system design [PDF]

open access: yes, 2014
Integration of solar thermal energy into low temperature pinch processes, like dairy and food and beverage processes is more economic when combined with a Heat Recovery Loop (HRL) to form a hybrid inter-plant heat recovery system.
Walmsley, Michael R.W.   +3 more
core   +1 more source

Effect of Diesel-engine Operating Conditions on Performance of Waste Heat Recovery Cycles: A 4E Analysis [PDF]

open access: yesIranica Journal of Energy and Environment
In waste heat recovery from a heavy-duty diesel engine, with a focus on engine speed's impact, is explored. The critical problem of enhancing energy efficiency and reducing emissions through waste heat utilization is addressed.
B. Alizadeh Kharkeshi   +4 more
doaj   +1 more source

Waste heat recovery integration options for commercial bakeries in a thermo-economic-environmental perspective

open access: yesCase Studies in Thermal Engineering, 2023
In commercial bakeries, a substantial amount of heat is exhausted which is not only a waste of useful resource, but also contributes to higher fuel consumption and carbon emissions, if not recovered.
Jahedul Islam Chowdhury   +4 more
doaj   +1 more source

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