Optimum design for a radiative fin array system with least horizontal dimension

Chung, Benjamin T.F.; Zhang, B.X.

doi:10.1016/0016-0032(93)90082-6

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…In order to solve the problem mentioned above, an H-type fin tube economizer based on longitudinal vortex is put forward combining the heat transfer enhancement techniques of H-type fin tube [1][2] and longitudinal vortex [3][4][5][6] , which increases heat transfer quantity and reduces flue gas temperature with identical space and metal consumption. Stamping method is used to make triangle or rectangle winglets vertical to the fin plane, and the winglets form an attack angle with the flow direction, the value of which can be adjusted according to flow resistance.…”

Section: Introductionmentioning

confidence: 99%

Research on External Flow and Heat Transfer Characteristics of H-Type Fin Tube Based on Longitudinal Vortex

Jiang

et al. 2014

AMM

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An H-type fin tube based on longitudinal vortex for boiler economizer is put forward in this paper, in order to solve the problem of too high temperature for denitration catalyst reaction for flue gas leaving the econonmizer. CFD method is adopted to study the external flow and heat transfer characteristics of the H-type fin tube based on longitudinal vortex, obtaining the flow field and temperature field distribution in the near wall region outside the fin tube. The results show that vortex flow in different degrees occurs in the rear flow field of the H-type fin tube based on longitudinal vortex, which introduces velocity component normal to main stream direction to the fluid of main flow zone, improves the synergy of temperature gradient field with velocity field and significantly enhances heat transfer performance of the fin tube. Within the parameter range studied in this paper, the 30° attack angle makes the best PEC value and correspondingly best comprehensive heat transfer performance.

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Section: Introductionmentioning

confidence: 99%

Research on External Flow and Heat Transfer Characteristics of H-Type Fin Tube Based on Longitudinal Vortex

Jiang

et al. 2014

AMM

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On the thermoeconomical optimization of fin sizing for waste heat recovery

Söylemez¹

2003

Energy Conversion and Management

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A Multi-objective Optimization of Radiative Fin Array Systems in a Fuzzy Environment

Chung

Zhang

Lee³

1996

Journal of Heat Transfer

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This study analyzes and optimizes a new design for a four-fin radiating fin array system in a multi-objective fuzzy optimization environment. The conflicting objectives of minimizing both weight and horizontal size are considered simultaneously in the fuzzy optimization logic. A fuzzy feasible domain is constructed by considering all of the fuzzy sets individually defined by the fuzzy objectives and constraints. The system is optimized by maximizing the fuzzy decision function. A systematic procedure of the fuzzy optimization is discussed in detail.

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Optimum design for a radiative fin array system with least horizontal dimension

Cited by 3 publications

References 10 publications

Research on External Flow and Heat Transfer Characteristics of H-Type Fin Tube Based on Longitudinal Vortex

Research on External Flow and Heat Transfer Characteristics of H-Type Fin Tube Based on Longitudinal Vortex

On the thermoeconomical optimization of fin sizing for waste heat recovery

A Multi-objective Optimization of Radiative Fin Array Systems in a Fuzzy Environment

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