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Journal of Enhanced Heat Transfer
Factor de Impacto: 0.562 Factor de Impacto de 5 años: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN Imprimir: 1065-5131
ISSN En Línea: 1026-5511

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v5.i4.30
pages 249-256

Compact Bubble Absorber Design

T. L. Merrill
Carrier Corporation, Heat Transfer Research Dept., Syracuse, NY 13221
T. Setoguchi
Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802
H. Perez-Blanco
Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

SINOPSIS

This paper presents performance results and analysis for three compact bubble absorbers developed for generator-absorber heat exchange absorption cycles (GAX). The results were found as part of a study undertaken to develop a compact GAX absorber for incorporation into the distillation column of an absorption machine. It has been shown that enhancement techniques are effective in reducing absorber length. However, enhancement techniques must be carefully applied, enabling sufficient vapor volume fractions for needed vapor injection. Results show that solution circuitry or flow configuration significantly impact absorber performance. Results also show that increased solution tube diameters may increase absorber performance: namely, an increase in absorber load and a reduction in exit solution subcooling. Optimum compact bubble absorber designs require a careful balance between vapor introduction capacity and heat transfer augmentation.


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