{"title":"FEATURES OF APPLICATION AND CALCULATION OF MULTILAYER MATERIALS IN CHEMICAL EQUIPMENT WITH HEAT EXCHANGE DEVICES","authors":"Sergey Scherbin, Viktor Kolesnichenko","doi":"10.36629/2686-777x-2023-1-17-150-154","DOIUrl":null,"url":null,"abstract":"The article analyzes the features of the operation of double-layer steels and bimetals, the ad-vantages and disadvantages of these structural materials are indicated. The main problems that are when welding joints made of double-layer steels are listed. The influence of the contact thermal resistance of a heat transfer surface made of multilayer materials on the intensity of heat exchange is considered. An approach to the determination of contact thermal resistance is proposed. The necessity of taking into account the contact thermal resistance in the design of chemical equipment with heat exchange devices made of double-layer steels and bimetals is shown","PeriodicalId":280015,"journal":{"name":"Bulletin of the Angarsk State Technical University","volume":" 1043","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2023-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Angarsk State Technical University","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.36629/2686-777x-2023-1-17-150-154","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
The article analyzes the features of the operation of double-layer steels and bimetals, the ad-vantages and disadvantages of these structural materials are indicated. The main problems that are when welding joints made of double-layer steels are listed. The influence of the contact thermal resistance of a heat transfer surface made of multilayer materials on the intensity of heat exchange is considered. An approach to the determination of contact thermal resistance is proposed. The necessity of taking into account the contact thermal resistance in the design of chemical equipment with heat exchange devices made of double-layer steels and bimetals is shown
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