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Spring Inserts for the Intensification of the Heat Exchange Process during Boiling in Vertical Tubes—Optimization of Geometric Parameters

Authors :
Niezgoda-Żelasko, Beata
Source :
Journal of Thermal Science; October 2018, Vol. 27 Issue: 5 p440-448, 9p
Publication Year :
2018

Abstract

The paper presents new criteria for calculation of heat transfer coefficients and flow resistance during boiling inside vertical tubes with spring inserts, developed on the basis of own experimental research. Calculations of the geometric parameters of the spring insert were carried out using the Nelder-Mead optimization method for various optimization criteria (maximizing the increase ratios for heat transfer coefficient and flow resistance, minimizing entropy, own optimization criterion). The results of optimization calculations were verified by the optimization procedures available in Statistica.

Details

Language :
English
ISSN :
10032169 and 1993033X
Volume :
27
Issue :
5
Database :
Supplemental Index
Journal :
Journal of Thermal Science
Publication Type :
Periodical
Accession number :
ejs46412644
Full Text :
https://doi.org/10.1007/s11630-018-1038-8