A Study on the Twin-Fluid Atomization of a Highly Concentrated Coal-Water Mixture : Heat Transfer, Power, Combustion, Thermophysical Properties

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概要

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• A study has been carried out for the purpose of clarifying spray performances of highly concentrated coal-water mixtures (CWM) and obtaining a guide for the design of practical twin-fluid atomizers. Disintegration mechanisms and spray characteristics were investigated on the simple twin-fluid atomization of CWM, and compared with those of single-phase liquids. Furthermore, these disintegration model. In the disintegration of a CWM jet by high-speed air, atomization phenomena are similar to those of low-viscosity liquids. Spray is generated basically by the tearing-off of irregularly shaped small drops from the jet surface and by the splitting-up of the unstably fluctuating jet into spherical drops. With the increase of air velocity, Sauter's mean diameter of spray decreases steeply, but its manner depends on the disintegration mechanism.

• 一般社団法人日本機械学会の論文
• 1987-11-16

著者

• INAGAKI Hideto

  Toyota Central R & D Labs., Inc.

• Inagaki Hideto

  Tohoku University

• INAMURA Takao

  Tohoku University

• INAMURA Takao

  Faculty of Engineering, Tohoku University

• NAGAI Nobuki

  Faculty of Engineering, Tohoku University

• Nagai Nobuki

  Faculty Of Engineering Tohoku University

関連論文

• Measurement of Oil Film Thickness Distribution on Piston Surface Using the Fluorescence Method : Development of Measurement System
• Disintegration of Liquid Droplets of High Concentration Coal-Water Slurry by Air Flow
• A Study on the Twin-Fluid Atomization of a Highly Concentrated Coal-Water Mixture : Heat Transfer, Power, Combustion, Thermophysical Properties
• Development of Combined Silicon Plate Nozzles(Experimental Mechanics in Heat and Fluid Flow)
• Characteristics of Y-Jet-Type Airblast Atomizer with Self-Control Function(Experimental Mechanics in Heat and Fluid Flow)
• Reduction of Nox Emissions by Staged Combustion in a High Intensity Spray Combustor : Heat Transfer, Combustion, Power, Thermophysical Properties

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