A Parametric Study of Nucleate Boiling on Structured Surfaces, Part I: Effect of Tunnel Dimensions-Reference-Cited by-同舟云学术

A Parametric Study of Nucleate Boiling on Structured Surfaces, Part I: Effect of Tunnel Dimensions

Published:1998-11-01 Issue:4 Volume:120 Page:1042-1048
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Chien Liang-Han¹,Webb R. L.²

Affiliation:

1. Department of Mechanical Engineering, Chang-Gung University, Kwei-Shan, Taiwan, ROC

2. Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

Abstract

This two-part experimental work identifies the effect of geometric dimensions on the boiling performance of “tunneled” enhanced boiling surfaces. The surface is formed on an integral-fin tube having a copper foil wrapped over the fin tips. Pores of known diameter and pitch are pierced in the foil cover. Tests were performed on a 19.1-mm diameter horizontal tube using R-11 and R-123 at 26.7°C for heat fluxes from 2 to 70 kW/m2. The first part of the study defines the effect of the tunnel dimensions. The data show that greater tunnel height and smaller tunnel pitch are preferred. Sharp tunnel corners provides greater enhancement.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/120/4/1042/5577411/1042_1.pdf

Reference13 articles.

1. Arshad, J., and Thome, J. R., 1983, “Enhanced Boiling Surfaces: Heat Transfer Mechanism Mixture Boiling,” Proc. ASME-JSME Therm. Eng. Joint Conf., Vol. 1, pp. 191–197.

2. Chien, L.-H., 1996, “Mechanism and Analysis of Nucleate Boiling on Structured Surfaces,” PH.D. dissertation, The Pennsylvania State University, University Park, PA.

3. Chien L.-H. , and WebbR. L., 1998a, “Parametric Studies of Nucleate Pool Boiling on Structured Surfaces, Part II: Effect of Pore Diameter and Pore Pitch,” ASME JOURNAL OF HEAT TRANSFER, Vol. 120, pp. 1049–1054.

4. Chien L.-H. , and WebbR. L., 1998b, “Visualization of Pool Boiling on Enhanced Surfaces,” Experimental Thermal and Fluid Science, Vol. 16, pp. 332–341.

5. Chien L.-H. , and WebbR. L., 1998c, “A Nucleate Boiling Model for Structured Enhanced Surfaces,” International Journal of Heat and Mass Transfer, Vol. 41, No. 14, pp. 2183–2195.

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