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HEAT TRANSFER FROM TUBE BANKS TO AIR/WATER MIST FLOW.

Author(s) : NAKAYAMA W., KUWAHARA H., HIRASAWA S.

Type of article: Article

Summary

HEAT TRANSFER AND PRESSURE DROP DATA WERE OBTAINED WITH THE BANKSOF SMOOTH TUBES, MICROFINNED TUBES, AND FINNED TUBES PLACED IN THE MIST STREAM, WHERE THE AIR VELOCITY WAS IN THE RANGE OF 1-3 M/S, AND THE WATER MASS FLUX 50-390 KG/M2.H. CROSS EXAMINATIONS OF THE HEAT TRANSFER DATA INDICATE THAT EVAPORATION OF WATER FROM THE WETTED PART OF THE SURFACE AREA IS A PRIMARY MECHANISM OF HEAT TRANSFER ENHANCEMENT. A METHOD OF HEAT EXCHANGER DESIGN IS PROPOSED. THE PRESSURE DROP DATA SHOW LITTLE DIFFERENCE BETWEEN THE FLOW RESISTANCE IN MIST FLOWS AND THAT IN SINGLE PHASE AIR FLOWS.

Details

  • Original title: HEAT TRANSFER FROM TUBE BANKS TO AIR/WATER MIST FLOW.
  • Record ID : 1989-0064
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 31 - n. 2
  • Publication date: 1988

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