Effects of Temperature and Geometry on the Heat Transfer from Turbulent Flow of a Participating Gas Through a Duct
作者:
FRANCISHENRIQUE RAMOS FRANÇA,
LEONARDO GOLDSTEIN,
期刊:
Heat Transfer Engineering
(Taylor Available online 1998)
卷期:
Volume 19,
issue 1
页码: 25-33
ISSN:0145-7632
年代: 1998
DOI:10.1080/01457639808939911
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
An analysis is made of the heat transfer in the turbulent flow of a high-temperature participating gas through a circular cross-section tube whose outer surface is covered by nonideal insulation. The gas is nongray, and its radiative properties are evaluated by the weighted sum of gray-gases model; its transport properties and density are assumed to be uniform throughout the duct. The radiative exchanges are evaluated by the zone method. This work is mainly concerned with the effect of the gas inlet temperature, the tube inner diameter, and the turbulent Reynolds number on the total, conuective, and radiative Nusselt numbers.
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