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  ______   _    _     _  __   __   __   __   __  
 /_   _// | || | ||  | |/ //  \ \\/ //  \ \\/ // 
   | ||   | || | ||  | ' //    \ ` //    \   //  
  _| ||   | \\_/ ||  | . \\     | ||     / . \\  
 /__//     \____//   |_|\_\\    |_||    /_//\_\\ 
 `--`       `---`    `-` --`    `-`'    `-`  --`

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Text this: Simulation on PCM melting enhancement with double-fin length arrangements in a rectangular enclosure induced by natural convection