Heat pipe with discrete heat transfer property is often called thermal superconductor because it has extremely large thermal\nconductivity. This special heat transfer property is destroyed by integrating cooling apparatus and further reducing the cooling\npower of a heat pipe cooler. This paper experimentally studied the heat transfer property of heat pipe influenced by integrated\ncooling apparatus. To simplify the investigating process, a home-made square heat pipe with the dimensions of L Ã?â??W Ã?â?? H =\n10 Ã?â?? 10 Ã?â?? 100mm3 was built with two pieces of copper plates and two pieces of glass plates face to face, respectively. The two\npieces of copper plates were constructed with inside walls of capillary structure and the two pieces of glasses were with antifog\ninside walls for observing the inner phenomenon.Moreover, isothermal circulating cooling water was applied outside the heat pipe\ninstead of cooling fin. The results show that heat vapor in the heat pipe is condensed earlier and cannot reach the remote section\nof condenser. In other words, the heat transfer property of heat pipe is destroyed by integrating cooling water. This phenomenon\ncauses the unfavorable cooling power of the heat pipe cooler.
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