Evaporation and condensation coefficient of water

A. Tamir; D. Hasson

doi:10.1016/0300-9467(71)80017-5

Evaporation and condensation coefficient of water

A. Tamir, D. Hasson

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Abstract

Experiments were carried out for the determination of the evaporation and condensation coefficient of water. The system used consists of a thin liquid sheet of water flowing at high velocity in a saturated steam atmosphere. Values of the coefficient α are deduced from the interfacial heat-transfer resistance. This is determined by interferometric measurement of the thickness variation in the sheet due to phase change. Experiments at a steam temperature of about 50°C yield the value α = 0·20 ± 0·04. This result, though indicating relatively high values of α, contradicts the claim that α has the magnitude of unity.

Original language	English
Pages (from-to)	200-211
Number of pages	12
Journal	The Chemical Engineering Journal
Volume	2
Issue number	3
DOIs	https://doi.org/10.1016/0300-9467(71)80017-5
State	Published - 1 Jan 1971
Externally published	Yes

ASJC Scopus subject areas

General Engineering

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10.1016/0300-9467(71)80017-5

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abstract = "Experiments were carried out for the determination of the evaporation and condensation coefficient of water. The system used consists of a thin liquid sheet of water flowing at high velocity in a saturated steam atmosphere. Values of the coefficient α are deduced from the interfacial heat-transfer resistance. This is determined by interferometric measurement of the thickness variation in the sheet due to phase change. Experiments at a steam temperature of about 50°C yield the value α = 0·20 ± 0·04. This result, though indicating relatively high values of α, contradicts the claim that α has the magnitude of unity.",

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AB - Experiments were carried out for the determination of the evaporation and condensation coefficient of water. The system used consists of a thin liquid sheet of water flowing at high velocity in a saturated steam atmosphere. Values of the coefficient α are deduced from the interfacial heat-transfer resistance. This is determined by interferometric measurement of the thickness variation in the sheet due to phase change. Experiments at a steam temperature of about 50°C yield the value α = 0·20 ± 0·04. This result, though indicating relatively high values of α, contradicts the claim that α has the magnitude of unity.

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Evaporation and condensation coefficient of water

Abstract

ASJC Scopus subject areas

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