Equipment safely is threatened with the thermal stress created by fixed-tubesheet exchanger for its structure. Causes of thermal stress have been analyzed and the countermeasures proposed.
Abstract: Thermal stress analyses of fixedtube-sheet heat exchanger are very complex and difficult.
摘要：固定管板式换热器的热应力分析具有相当的复杂性。
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The pre-stressed technology has good prospect in development and application for it may greatly reduce the thermal stress of fixedtube-sheet exchanger.