全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Jung-Hun Noh , Ki-Up Cha , Se-Jin Yook
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2017, Vol.106, pp.793-803Elsevier
摘要:Abstract(#br)High-temperature gas flow can cause melt, crack, erosion, and wear of tubes. In order to reduce these side effects, the inner wall of a hollow cylindrical tube is generally coated with a resistive material, for example, a steel pipe coated with a chrome layer. In add...
作者:Ki-Up Cha , Sang-Tae Ahn
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2016, Vol.97, pp.232-241Elsevier
摘要:Abstract(#br)In this study, a model using the thermal resistance network method and the recursive input estimation algorithm was developed to analyze two-dimensional inverse heat conduction problems. The recursive input estimation algorithm consisted of the Kalman filter and the ...
作者:... Won-Geun Kim , Ki-Up Cha , Se-Jin Yook
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2015, Vol.89, pp.1016-1023Elsevier
摘要:Abstract(#br)In this study, a hollow cylindrical tube with a coating layer on its inner wall was considered. The thermal resistance network method was employed to solve the heat conduction in the tube. Unknown heat flux on the inner wall of the tube was estimated from measured te...
作者:... Jae-Hoon Kim , Ki-Up Cha , Suk-Kyun Hong
来源:[J].Journal of Materials Processing Tech.(IF 1.953), 2007, Vol.201 (1), pp.491-496Elsevier
摘要:Abstract(#br)The autofrettage process is used for the internal forming and sizing of cylinders designed to withstand high internal pressures. Once a tube is autofrettaged, it needs to be machined to its final dimensions on the bore and also on its outer surface. This paper presen...
作者:Ki-up Cha , Chang-ki Cho ...
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2011, Vol.25 (12), pp.2987-2993Springer
摘要:Abstract(#br)In many respects, accelerometers are convenient for measuring the lateral vibrations of a gun tube under impulse loads. Reliable measurements by accelerometers must overcome two issues: exceedingly large acceleration at high frequencies due to stress waves, and the e...
作者:... Jae-Hoon Kim , Ki-Up Cha , Suk-Kyun Hong
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2009, Vol.23 (12), pp.3153-3160Springer
摘要:Abstract(#br)The autofrettage process enhances the carrying capacity and fatigue lifetime of pressure vessels by increasing their residual stress. A compound cylinder was introduced in order to increase residual stress. An autofrettaged compound cylinder can resist a higher press...
作者:... Jae-Hoon Kim , Ki-Up Cha , Suk-Kyun Hong
来源:[J].Journal of Mechanical Science and Technology(IF 0.616), 2009, Vol.23 (11), pp.2913-2920Springer
摘要:Abstract(#br)A program for the residual stress analysis of an autofrettaged compound cylinder is designed using a Matlab graphical user interface (GUI) and program design technique. The high-pressure vessels are autofrettaged in order to increase their operating pressure and fati...

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