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      An experimental study of n-octadecane melting inside a sphere subjected to constant heat rate at surface

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      Author
      Rizan, M. Z. M.
      Tan, F. L.
      Tso, Chih Ping.
      Date of Issue
      2012
      School
      School of Mechanical and Aerospace Engineering
      Abstract
      A quantity of n-octadecane inside a spherical flask is immersed in a water tank and subjected to 690 W, 850 W and 950 W power-rated heater, respectively, until full melting is obtained. The melt-fraction versus time result, derived from solid modeling shows that the melting is primarily dependent on temperature level and contact plane surface area. Conduction heat transfer from flask walls dominates initial melting condition with increasing liquid boundary layer shifting dominant heat transfer mode to internal convection. Decreasing solid volume with increasing heat transfer contact surface area from both conductive flask walls and convective liquid layers accelerate melting rate.
      Subject
      DRNTU::Engineering::Mechanical engineering
      Type
      Journal Article
      Series/Journal Title
      International communications in heat and mass transfer
      Collections
      • MAE Journal Articles
      http://dx.doi.org/10.1016/j.icheatmasstransfer.2012.08.003
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