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高强度钢板热冲压成形传热基础研究

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Indexed by:期刊论文

Date of Publication:2013-03-07

Journal:热加工工艺

Included Journals:PKU、ISTIC、CSCD

Volume:42

Issue:5

Page Number:1-4,7

ISSN No.:1001-3814

Key Words:热成形;热传导;热对流;热辐射;综合换热系数

Abstract:高强钢板热成形是一个复杂的热交换过程.在热成形过程各个不同的阶段,热传导、热辐射、热对流交互作用而强弱各异.无论热成形是过程控制还是模拟,都需要对各种传热模式相对强弱及其影响因素进行分析和评估,进而合理的简化传热模型以有利于过程控制和模拟.在评估各种传热模式相对强弱及其影响因素时,传热理论分析和实验测量相辅相成.在传热分析过程中引入综合换热系数,可对整个热成形过程及传热影响因素进行综合地评估,从而指导工业生产.

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