The efficiency analysis of a finned cross-flow heat recovery unit

I. Kotcioglu*, A. Cansiz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A finned convergent-divergent plate-type cross-flow heat recovery unit is manufactured and tested for efficiency analysis. Temperature and pressure drop experiments are conducted with various working conditions of the boiler, fan, preheater, and reheater of the system. Variation of Nusselt number and friction factor with Reynolds number is analyzed. Variation of effectiveness and exergy loss with number of transfer units is calculated and discussed in terms of extant literature. Experimental results indicate that the most important parameter affecting the heat transfer is winglet geometry and fluid velocity. The efficiency can be improved successfully by controlling these parameters for thermal applications.

Original languageEnglish
Pages (from-to)9-22
Number of pages14
JournalExperimental Heat Transfer
Volume28
Issue number1
DOIs
Publication statusPublished - 2 Jan 2015

Funding

This article was supported by Atatürk University.

FundersFunder number
Atatürk Üniversitesi

    Keywords

    • cross-flow
    • exergy loss
    • heat recovery

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