Investigation on waste heat recovery of a nearly kilowatt class thermoelectric generation system mainly based on radiation heat transfer

2020 ◽  
pp. 1-10
Author(s):  
Xiaoming Hu ◽  
Chengpeng Jiang ◽  
Xi’An Fan ◽  
Bo Feng ◽  
Peihai Liu ◽  
...  
Keyword(s):  
Heat Transfer ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Radiation Heat Transfer ◽  
Thermoelectric Generation ◽  
Generation System ◽  
Radiation Heat ◽  
Thermoelectric Generation System

Analysis of Waste Heat Recovery to Steel Scrap Preheating in an Enclosure Vessel

2004 ◽  
Vol 449-452 ◽  
pp. 329-332 ◽  
Author(s):  
T. Wang ◽  
Masahiro Kawakami ◽  
Kazuya Mori ◽  
S.H. Shahidan
Keyword(s):  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Radiation Heat Transfer ◽  
Three Dimensional ◽  
Casting Process ◽  
Steel Scrap ◽  
Radiation Heat ◽  
Continuous Casting Process ◽  
Factors Affecting

A method for preheating steel scraps using waste heat in a continuous casting process was proposed. Experiment and numerical analysis were carried out to examine the ability of scrap preheating and to determine the factors affecting the rise in scrap temperature. Coupled natural convection-radiation heat transfer was solved by three-dimensional FEM. The distance and the constant were found to influence the sample's temperature rise greatly. The overall Nusset number can be obtained as Nu0=(-0.33α*D*0.8+7.08)Ra0.15t*-1- 32.4D*-0.99α*-1.98 *-1.98

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