日本機械学会論文集 B編
Online ISSN : 1884-8346
Print ISSN : 0387-5016
加熱された溶射セラミックス被覆面に衝突する液粒の蒸発
高野 孝義小林 清志
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54 巻 (1988) 503 号 p. 1820-1825

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The vaporization behavior of a single droplet impinging on a heated surface which was coated with ceramics such as alumina, magnesium zirconate and zirconium oxide was studied. This is the extension of the previous study on a vaporizing droplet on a solid surface of ceramics. The lifetime curves for some pure liquids were measured at a surface temperature up to 1100 K. We observed in detail the vaporization process of a droplet using a 16 mm high-speed motion-picture camera and high-speed video camera. It should be stressed that the ceramic-coated surface brought a wide temperature range yielding minimum vaporization times and short lifetimes in spite of its thinly coated layer, owing to its low-thermal conductivity and characteristic surface.

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