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Research Article

Experimental investigation of R134a adsorption on silica gel for cooling system applications  

Muhsin Kilic*, Ersan Gonul

Department of Mechanical Engineering, Uludağ University, Bursa, Turkey

Keywords

Abstract


Adsorption cooling, 

Silica Gel – R134a pair,  

Enthalpy of adsorption, 

Refrigeration

The aim of this study is to assess adsorption characteristics of R134a on a commercially available silica gel. Experimental study is performed by A constant volume variable pressure method is used in experimental study. Adsorption process are realized at different temperatures between 293.15 and 320.15 K and for pressures up to 500 kPa. Parameters in the Dubinin-Astakhov (DA) equation for the silica gel – R134a pair is computed by the use of measured experimental data. Adsorption isotherms are obtained by using DA equation for the silica gel – R134a pair. Further, the adsorption enthalpy are provided for the specimen investigated. It is observed that the value of the heat of adsorption is always quite higher than the vaporization enthalpy of the adsorbent in the range of 1.2 to 1.8 depending on the specific adsorbed mass of R134a. Obtained data from the present experimental study can be used for the design of cooling and refrigeration systems in which adsorption process is employed.

 © 2016 MIM Research Group. All rights reserved.

DOI: http://dx.doi.org/10.17515/resm2016.67me0720                          Full Text

LATEST News


21/02/2020 Collaboration for SET 2020: Editorial Board of our journal and Organizing Committee of the 19th International Conference on Sustainable Energy Technologies (SET 2020) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


25/12/2019 Most Cited Paper Award: The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the 2019 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).

25/12/2019 Best Paper Award: The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2019 Best Paper Award of Research on Engineering Structures and Materials (RESM).


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


(More details of the news may be given in the News section)


For more see News...

LATEST AWARDS


2019 Most Cited Paper Award:

The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the


2019 Best Paper Award:

The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 


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Last Update:

24.07.2020

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