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Experimental study of capillary-assisted evaporators

Sabir, H.M. / ElHag, Y.B.M. / Benhadj-Djilali, R.

AbstractThe paper presents the results of experimental work aimed at studying the effect of porous layer parameters on the thermal performance of water evaporators. The results show that there are optimum particle sizes that are associated with maximum boiling heat rates and heat transfer coefficients. The results also show that the layer thickness has monotonic effect on the evaporators’ performance but its impact is less pronounced compared to that of the particle size. The trends are explained in terms of the contradicting effects that exist within the layer. The research also showed that the effect of the heat load, represented by temperature and velocity of the load air, was negligible. Boiling heat transfer coefficients of up to 5kW/m²°C were achieved.

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Experimental study of capillary-assisted evaporators

Sabir, H.M. / ElHag, Y.B.M. / Benhadj-Djilali, R.

AbstractThe paper presents the results of experimental work aimed at studying the effect of porous layer parameters on the thermal performance of water evaporators. The results show that there are optimum particle sizes that are associated with maximum boiling heat rates and heat transfer coefficients. The results also show that the layer thickness has monotonic effect on the evaporators’ performance but its impact is less pronounced compared to that of the particle size. The trends are explained in terms of the contradicting effects that exist within the layer. The research also showed that the effect of the heat load, represented by temperature and velocity of the load air, was negligible. Boiling heat transfer coefficients of up to 5kW/m²°C were achieved.

Experimental study of capillary-assisted evaporators

Sabir, H.M. / ElHag, Y.B.M. / Benhadj-Djilali, R.

AbstractThe paper presents the results of experimental work aimed at studying the effect of porous layer parameters on the thermal performance of water evaporators. The results show that there are optimum particle sizes that are associated with maximum boiling heat rates and heat transfer coefficients. The results also show that the layer thickness has monotonic effect on the evaporators’ performance but its impact is less pronounced compared to that of the particle size. The trends are explained in terms of the contradicting effects that exist within the layer. The research also showed that the effect of the heat load, represented by temperature and velocity of the load air, was negligible. Boiling heat transfer coefficients of up to 5kW/m²°C were achieved.

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Title:

Experimental study of capillary-assisted evaporators

Contributors:

Sabir, H.M. (author) / ElHag, Y.B.M. (author) / Benhadj-Djilali, R. (author)

Published in:

Energy and Buildings ; 40 ; 399-407

Publication date:

2007-02-26

Size:

9 pages

ISSN:

DOI:

https://doi.org/10.1016/j.enbuild.2007.02.036

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Boiling , Evaporator , Particle size , Porous layer thickness

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