Thermal Conductivity of Water and Steam at High Temperatures and Pressures : 2nd Report, Experimental Results with Water and Steam up to 420℃

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概要

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• By using the same co-axial cylinder cell as in the previous report, measurement of thermal conductivity of water and steam is carried out in the temperature range from 104 to 420℃ and in the pressure range from 98 to 1470 bar. The accuracy of the results is estimated to be better than 1.7% below 400℃ and of the order of 2-2.5% above 400℃. The results are well expressed by a simple equation of temperature and density. A comparison with the published data up to now show that the present results agree well with the other data in the lower pressure region than 500 bar. A higher pressures than 1000 bar, the discrepancy between the data by Amirkhanov-Adamov and those of the present work is very large both in the water and steam region, and a large uncertainty of the former is suspected.

• 一般社団法人日本機械学会の論文

著者

• YATA Junzo

  Kyoto Institute of Technology

• MINAMIYAMA Tatsuo

  Kyoto Institute of Technology

• Kajimoto Keiji

  Asahi Chemical Industry Co. Ltd.

関連論文

• Thermal Conductivity of Water and Steam at High Temperatures and Pressures : 1st Report, Experimental Apparatus and Results with Water up to 200℃
• The Effects of Free Stream Turbulence on Turbulent Boundary Layer on Flat Plate with Zero Pressure Gradient : 1st Report, Effects on Time-Averaged Values : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties
• Thermal Conductivity of Water and Steam at High Temperatures and Pressures : 2nd Report, Experimental Results with Water and Steam up to 420℃
• An Equation for Thermal Conductivity of Water and Steam

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