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http://dx.doi.org/10.5139/JKSAS.2017.45.3.163

Prediction Modeling on Effective Thermal Conductivity of Porous Insulation in Thermal Protection System  

Hwang, Kyung-Min (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Kim, Yong-Ha (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Kim, Myung-Jun (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Lee, Hee-Soo (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Park, Jung-Sun (Department of Aerospace and Mechanical Engineering, Korea Aerospace University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.45, no.3, 2017 , pp. 163-172 More about this Journal
Abstract
Porous insulation have been frequently used in a number of industries by minimizing thermal insulation space because of excellent performance of their thermal insulation. This paper devices an effective thermal conductivity prediction model. First of all, we perform literature survey on traditional effective thermal conductivity prediction models and compare each other model with heat transfer experimental results. Furthermore this research defines advanced effective thermal conductivity prediction models model based on heat transfer experimental results, the Zehner-Schlunder model. Finally we verify that the newly defined effective thermal conductivity prediction model has better performance prediction than other models. Finally, this research performs a transient heat transfer analysis of thermal protection system with a porous insulation using the finite element method and confirms validity of the effective thermal conductivity prediction model.
Keywords
Porous Insulation; Thermal Protection System; Regression Analysis; Heat Transfer Experiment; Effective Thermal Conductivity;
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Times Cited By KSCI : 1  (Citation Analysis)
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