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Início Arquivos Thermal Letter Representantes Futuras reuniões Assembléia das Conferências Internacionais de Transferência de Calor

ISBN : 0-85295-345-3

International Heat Transfer Conference 10
1994, 14-18 August, Brighton, UK

BOILING HEAT TRANSFER FROM BUNDLES OF PLAIN TUBES

DOI: 10.1615/IHTC10.5300
pages 117-128

Resumo

Experimental work on single tubes, twin tubes and a bundle of 18 tubes is reported. With the results for single tubes, bundle-factors can be formed which allow an estimate of bundle heat transfer coefficients from single tube experiments. For twin tubes the effect of increased on flow velocity to the upper tube is shown. For the tube bundle the effects of tube pitch, ratio, tube arrangement and number of heated rows upon the bundle factor are presented. An equation for the bundle factor is suggested. For theoretical predictions a procedure is presented which is based on data from literature only. The agreement with experimental data is within ±25 %.