Results 11 to 20 of about 599,130 (347)

Calorimetric stand for research of processes in the refrigeration unit

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2022
Objective. The aim of the work is to develop a calorimetric stand that allows simulating the operation of an energy-efficient two-evaporator refrigeration unit of a household refrigerator or freezer.Method. In the course of the work, a calorimetric setup
Yu. V. Kudrov   +3 more
doaj   +1 more source

Adsorption Solar Air Conditioning System for Singapore Climate

open access: yesEnergies, 2022
The design of an adsorption solar air conditioning system is investigated by using a model with an activated carbon–methanol working pair. This system is analysed with the solar insolation levels and ambient temperatures of Singapore. The proposed design
Zacharie Tamainot-Telto   +2 more
doaj   +1 more source

Cooling capacity optimization of hydrocarbon fuels for regenerative cooling

open access: yesApplied Thermal Engineering, 2022
As an effective method for heat management of hypersonic vehicles, regenerative cooling faces a severe problem of insufficient cooling capacity under high-speed conditions. Aiming to increase the cooling capacity of a given fuel, we conducted an optimization study by considering the influence of working conditions, chemical kinetics, and chemical ...
Wang, J, Jin, H, Gao, H, Wen, D
openaire   +2 more sources

High temperature exposure increases plant cooling capacity [PDF]

open access: yesCurrent Biology, 2012
SummaryPlants inhabit different environments and have evolved mechanisms to optimise growth within defined temperature ranges. In Arabidopsis thaliana, growth at high temperature (28°C) results in striking elongation of stems and increased leaf elevation from the soil surface [1–3].
Crawford, Amanda J.   +3 more
openaire   +2 more sources

Improving Cooling Capacity of Condensation-Free Radiant Cooling for Low-Emissivity Chilled Ceiling via Adaptive Double-Skin Infrared Membranes

open access: yesFrontiers in Thermal Engineering, 2022
Radiant cooling has well been acknowledged as energy efficient and thermal comfortable technology compared to conventional convective cooling. However, the radiant cooling exists two serious problems (viz., insufficient cooling capacity and high ...
Ke Du   +9 more
doaj   +1 more source

Analysis of the Energy Efficiency of the Air Conditioning System Based on Absorption Refrigeration Machine with Connection of Heat Pump and Solar Collectors [PDF]

open access: yesProblems of the Regional Energetics, 2023
This article proposes and analyzes a circuit solution for providing heat supply to the generator of an absorption refrigeration machine (AHM) in centralized air conditioning systems using a heat pump unit (HPU) and solar collectors (SOL).
Mereutsa E.V., Sukhikh A.A.
doaj   +1 more source

Study on the Development of Small Cooling Module System for Scrubber to Improve Toxic Gas Treatment Efficiency

open access: yes대한환경공학회지, 2021
Objectives : Manufacturing-based production facilities are required to install dust collection devices for air pollution prevention facilities. In particular, manufacturing-based companies need low-power hazardous gas treatment devices.
Dong Sub Lee, Jin Hee Kim
doaj   +1 more source

Numerical Analysis on the Performance of a Radiant Cooling Panel with Serpentine-Based Design

open access: yesEnergies, 2021
Radiant cooling systems (RCS) are gaining acceptance as a heating, ventilation, and air conditioning (HVAC) solution for achieving adequate thermal comfort and maintaining acceptable indoor air quality inside buildings.
Mohammad Hakim Mohd Radzai   +4 more
doaj   +1 more source

The effect of cooling prior to and during exercise on exercise performance and capacity in the heat: a meta-analysis [PDF]

open access: yes, 2014
Exercise is impaired in hot, compared to moderate, conditions. The development of hyperthermia is strongly linked to the impairment and as a result, many different strategies have been investigated to combat this. This meta-analysis focused on one of the
Cheung, SS, Sunderland, C, Tyler, CJ
core   +1 more source

The use of liquefied natural gas in the combined power unit of autonomous refrigerated car

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2019
A specific feature of the market for the transport of perishable goods is the length of the routes. As part of the implementation of new technical solutions for isothermal rolling stock, research is being conducted on the development of autonomous power ...
O. A. Voron
doaj   +1 more source

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