Highly efficient adsorption cooling system employing aluminium based adsorbents and water pair

IF 6.1 2区工程技术 Q2 ENERGY & FUELS

Applied Thermal Engineering Pub Date : 2025-03-19 DOI:10.1016/j.applthermaleng.2025.126198

Benjamin H.W. Teo , Mai Sheng Ng

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Abstract

This article presents the thermodynamic framework of adsorption cooling system employing various aluminium based (Al) adsorbents – water system. Scanning electron microscopy (SEM) and N₂ adsorption analysis were performed to study the surface characteristics of the Al adsorbents. The thermal stability of the Al adsorbents was characterised through thermogravimetric analyser (TGA). The water uptakes of the adsorbents were measured under static and dynamic conditions by a temperature-dependent humidity gravimetric analyser. The adsorption kinetics of Al adsorbents – water was presented under the operating conditions of adsorption chiller. A simulation study of an adsorption cooling system is conducted using experimental isotherms and kinetics data. The estimated parameters are used in the Thermodynamic Framework of a working adsorption chiller simulation to understand the performance of adopting Al adsorbents + water systems. CAU-10 has the most potential as the next adsorbent for adsorption cooling application as it has higher SCP and COP when operates at shorter cycle time and lower hot water inlet temperature.

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来源期刊

Applied Thermal Engineering 工程技术-工程：机械

CiteScore

11.30

自引率

15.60%

发文量

1474

审稿时长

57 days

期刊介绍： Applied Thermal Engineering disseminates novel research related to the design, development and demonstration of components, devices, equipment, technologies and systems involving thermal processes for the production, storage, utilization and conservation of energy, with a focus on engineering application. The journal publishes high-quality and high-impact Original Research Articles, Review Articles, Short Communications and Letters to the Editor on cutting-edge innovations in research, and recent advances or issues of interest to the thermal engineering community.