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STATUS AND PERSPECTIVES OF CONVECTIVE HEAT TRANSFER CHARACTERISTICS OF HIGH PRESSURE GAS IN HEAT EXCHANGER

Keywords: High pressure gas , Membrane Helical Coil , Membrane Serpentine Tube , Convective heat transfer.

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Abstract:

In Indian Coal mines, underground mines, mineral ore mines syngases at high pressure and high temperature are found in large quantities. This syngas is highly toxic, harmful and flammable gas which will be present in atmosphere which may cause many accidents. Hence it is necessary to reduce the content of syngas from mines in the atmosphere. This paper describes literature review of Convective heat transfer characteristics of high pressure gas used in mines. Heat transfer in convection cooling section of pressurized coal gasifier with the membrane helical coils and membrane serpentine tubes under high pressure is studied. This review covers the status and perspectives of syngas used in heat exchanger. It also covers the work carried out by different research scholar in this promising area. Some suggestions in the form of new concept are also suggested to reduce the percentage of high pressure syngas in the atmosphere. This paper will be useful for those who are working in the field of coal mine, underground mines and mineral ore mines.

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