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Effect of heating time of adsorber-collector on the performance of a solar adsorption refrigerator

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Abstract
This paper presents a numerical study of heat transfer inside the adsorber-collector of a solar adsorption refrigerator
using the activated carbon AC35-methanol pair. The objective is to estimate the amount of the heat loss through
the adsorber-collector, during the solar heating phase, and to determine the effect of heating time on the thermal
efficiency of the system. The numerical results showed that the heating time is the most important factor affecting
the amount of energy loss. It has shown that the shorter heating time corresponds to the higher efficiency of the
adsorber-collector. In addition, a new optimal coefficient of performance, COPoptm, is proposed to determine the
number of adsorbers to be added to a machine. This latter is considered for consuming an energy equivalent to
that received by the adsorber-collector. These additional adsorbers use a heat transfer fluid, coming from the
adsorber-collector, instead of direct heating by solar radiation. An application example is presented using
experimental results obtained from the literature. It has shown that the number of the additional adsorbers can
reach three adsorbers.

Keywords: Adsorber thermal efficiency, Heat loss, Heat recovery, Optimal coefficient of performance, Solar adsorption refrigerator

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Ketersediaan

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Informasi Detail

Judul Seri

International Journal of Mechanical and Materials Engineering , Volume 12, Issue 1, December 2017

No. Panggil

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Penerbit

: Springer Singapore., 2017

Deskripsi Fisik

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Bahasa

English

ISBN/ISSN

2198-2791

Klasifikasi

NONE

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

International Journal of Mechanical and Materials

Subjek

TEKNIK MESIN
MEKANIKA TEKNIK

Info Detail Spesifik

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Pernyataan Tanggungjawab

ety

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