RESEARCH ON TRANSIENT HEAT TRANSFER TUBE BUNDLES

凌旭; 陈听宽; 田永生

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RESEARCH ON TRANSIENT HEAT TRANSFER TUBE BUNDLES

更新时间：2025-12-16

- RESEARCH ON TRANSIENT HEAT TRANSFER TUBE BUNDLES
- CIESC Journal Issue 4, (1993)
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- Online First：25 August 1993，
  
  Published：25 August 1993
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凌旭, 陈听宽, 田永生. RESEARCH ON TRANSIENT HEAT TRANSFER TUBE BUNDLES[J]. CIESC Journal, 1993, (4).
DOI：

凌旭, 陈听宽, 田永生. RESEARCH ON TRANSIENT HEAT TRANSFER TUBE BUNDLES[J]. CIESC Journal, 1993, (4). DOI：

摘要

利用离散流动的概念和二维非稳态传热的数值计算方法

建立了流体从翅片管束换热器流出时温度变化的计算模型

并设计了配比方法

使离散流动瞬态法有了较大的改善.本文用该方法确定了空气横掠大管径错排翅片管束的换热系数

同时还用恒壁温法对该管束的换热系数进行了试验研究

二者结果符合很好.

Abstract

The concept of separated flow and numerical calculation of two-dimensional unsteady heat transfer were used to develop a model of the temperature change of flue gas flowing out of finned tube bundles. A method for comparison was designed to improve the separated flow model and the transient experiment method. The heat transfer coefficient of air flowing transversly through crossed finned tube bundles was established in this way and experimental study on the coefficient was made with the constant wall temperature method. The result was satisfactory.

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