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Discussion on Heat Transfer Performance of Optimal Design of Jet Gas Hood
Received:December 25, 2020  
DOI：10.11980/j.issn.0254-508X.2021.04.008
Key Words:tissue paper machine  impingement hood  heat transfer performance
Author NameAffiliationPostcode
SHI Jinsheng College of Mechanical Engineering， Tianjin University of Science and Technology， Tianjin， 300222 300222
LYU Hongyu College of Mechanical Engineering， Tianjin University of Science and Technology， Tianjin， 300222 300222
BIAN Xuexun College of Mechanical Engineering， Tianjin University of Science and Technology， Tianjin， 300222 300222
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Abstract:From the perspective of providing high-efficient heat transfer performance， this paper introduced the optimal design of the circular jet nozzle hood in the tissue machine， gave the calculation method of the convection heat transfer of the jet hood， and analyzed the heat transfer characteristics of the specific working conditions， discussed the influence of jet slant angle on heat transfer performance in actual work， and provided a design plan of slant hole to eliminate this influence.
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