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정효민(Hyomin Jeong),신용한(Yonghan Shin),사이드(S.M. Sayeed Bin Asad),박진관(Chenkuan Park),정한식(Hanshik Chung) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회 학술대회 논문집 Vol.2010 No.4
LNG(Liquified Natural Gas) must be vaporized to be used as fuel in the industries, home application and soon. The cold energy generated about latent heat of 120 ㎉/㎏ and 80 kca/㎏ of sensible heat, while the vaporization process. Because air type vaporizer can't effect its vaporization performance properly due to the condensation of moisture in air outside the vaporization of moisture in air outside the vaporizer, 2~3 vaporizers are used alternately. To prevent freezing on the surface of vaporizer and solve the low performance, The heating source of gasification will use the geothermal energy. In this study, as the fundamental investigation to develop the highly efficient LNG vaporizer, When cold energy (Heat Flux : -100, -200, -300 W/m2) is connected to the ground, The soil temperature have been investigated numerically by the unsteady heat conduction equation.