Abstract
In this paper, a bank of tubes containing a flowing fluid which is immersed in a cross flow second medium of fluid with different temperature has been studied numerically using computational fluid dynamics. Laminar steady flow with a low Reynolds number has been studied in this work. Inlet mass flow rate and the bulk temperature are known and numerical method has been implemented to study the convective heat transfer to investigate the temperature and flow fields. Effects of different inlet bulk temperatures and mass flow rates have been investigated on temperature and pressure variations.
Highlights
Periodic heat flows have broad industrial and engineering applications in steam generation in a boiler, condenser or air cooling in the coil of an air conditioner
Effects of different inlet bulk temperatures and mass flow rates have been investigated on temperature and pressure variations
Effects of different inlet bulk temperatures and mass flow rate have been investigated on temperature and pressure variation
Summary
Periodic heat flows have broad industrial and engineering applications in steam generation in a boiler, condenser or air cooling in the coil of an air conditioner. Forced convection was broadly employed in different kinds of heat exchanger, and in many other applications in which the convective heat transfer has been studied and discussed. The heat transfer of liquids in tubes has been studied experimentally by Sieder and Tate [3]. They derived the heat transfer correlation with viscosity ratio caused by heat transfer temperature difference. In power plants where there is a shortage of water finned bundle tubes are frequently used to the air-cooled heat exchangers of the dry cooling system. A lot of numerical and experimental studies have been done for improving the heat transfer performance of compact heat exchangers using slotted fins [5] and [6]. Effects of different inlet bulk temperatures and mass flow rate have been investigated on temperature and pressure variation
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