Results 211 to 220 of about 36,517 (260)
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An overview on adsorption pairs for cooling
Renewable and Sustainable Energy Reviews, 2013Abstract This study is a survey for working adsorbent–refrigerant pairs and the new pairs for potential applications. The study introduces a classification for the adsorption cooling systems and a comparison between them based on the employed adsorption pairs. The comparison is on the basis of the limits of use such as coefficient of performance (COP)
Ahmed A Askalany +2 more
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A critical overview of adsorption kinetics for cooling and refrigeration systems
Advances in Colloid and Interface Science, 2021The dynamic uptake of adsorbate onto the porous adsorbent plays a crucial role in determining the performance of the adsorption-based cooling system. Therefore, it is imperative to know the kinetics parameters of an adsorbate - adsorbent pair to design a system to be operated at variable working conditions.
Mahbubul Muttakin +2 more
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Hybrid adsorption cooling systems–An overview
Renewable and Sustainable Energy Reviews, 2012Abstract With sharp rising global energy demand posing a rapid development in sustainable cooling systems is required. Hybrid adsorption cooling cycle is considered as one of the sustainable cooling systems. The present study introduces a survey of hybrid adsorption cooling systems in order to stand on its fact and clarify the future trend.
Ahmed A Askalany +2 more
exaly +2 more sources
Ideal Adsorption Isotherm Behavior for Cooling Applications
Langmuir, 2018Purely heat-driven refrigeration has the potential for high primary-energy efficiency, especially when powered by waste heat or solar thermal sources. This paper presents a novel expression for the ideal adsorption step location as a function of operating conditions.
Morteza H. Bagheri, Scott N. Schiffres
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Experimental investigation of a natural zeolite–water adsorption cooling unit
Applied Energy, 2011 Abstract In this study, a thermally driven adsorption cooling unit using natural zeolite–water as the adsorbent–refrigerant pair has been built and its performance investigated experimentally at various evaporator temperatures. The primary components of the cooling unit are a shell and tube adsorbent bed, an evaporator, a condenser, heating and ...
Derek Baker
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Ammonia Adsorption Performance of Zeolitic Imidazolate Frameworks for Cooling
Langmuir, 2023Promoting the cooling performance of adsorption chillers (ACs) greatly relies on the exploration of high-performance adsorbent/refrigerant working pairs. Ammonia is not only an environmentally friendly refrigerant but also favorable for heat and mass transfer in ACs owing to its large vapor pressure and enthalpy of evaporation.
Zhilu Liu +3 more
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Sizing of a Solar-Powered Adsorption Cooling System for Comfort Cooling
2020Solar-powered adsorption cooling technologies have been demonstrated by various researchers worldwide to be feasible for small-scale applications and part load conditions. Similar to the other solar thermal-powered cooling technologies, the constraint of oversizing issues pertains in autonomous systems without backup.
Sai Yagnamurthy +2 more
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A review on adsorption cooling systems with adsorbent carbon
Renewable and Sustainable Energy Reviews, 2012Abstract This study introduces a review for the potential cooling systems which uses carbon materials as an adsorbent. Also, the adsorption carbon pairs (pairs where the carbon is the adsorbent) which is still under researches were reviewed. The maximum COP (coefficient of performance) of the cooling systems was 0.8 for activated carbon/ethanol pair.
Ahmed A Askalany, Ahmed Hamza H Ali
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On Thermodynamics of Advanced Adsorption Cooling Devices
Volume 8: Energy Systems: Analysis, Thermodynamics and Sustainability; Sustainable Products and Processes, 2008This article presents a thermodynamic framework for the estimation of the minimum driving heat source temperature of an advanced adsorption cooling device from the rigor of Boltzmann distribution function and the condensation approximation of adsorptive molecules on adsorbent porous surface.
Bidyut B. Saha +5 more
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