Abstract
Heat exchanger shell and tube type is a set of tools that serve to move the heat from the side shell (hot fluid) to the tube (cold fluid). RSG-GAS Heat Exchangers is a heat exchanger shell and tube type 2-2. Since the age of Heat Exchanger operation long enough allow for new designs of heat transfer better. This is one reason the presence of micro modeling using Computational Fluid Dynamics (CFD), as one of them using the software FLUENT 6.3. Tube and shell modeled in GAMBIT with the variation ID (inner diameter) tube. As for the physical data such as flow rate, pressure, and temperature refers to the RSG-GAS Heat Exchangers. The first variation is the different mesh sizes for the tube that has the same diameter. Mesh size of 0.8 mm had the best result so do the meshing used as a benchmark for other models. Variations of 2D models use inner diameter from 20 mm until 26m. From CFD calculations using FLUENT 6.3 for 2D models, in the can that ID 20 mm, 23 mm and 26 mm can be used as models for 3D calculations. Of 3D calculations it can be concluded that the tube with an ID of 26 mm have the most optimal heat transfer is equal to 273,24669 K with a pressure drop of 450 Pa.
Highlights
The demand for energy in the form of electricity is the greatest, even with the deregulation in the economic sector, industrial activity increases more rapidly so that the demand for electric power increases exceeds the original estimate
The Heat Exchanger is a set of tools used to transfer some of the heat from the hot fluid to the coolertempered fluid
In this case Heat Exchangers are used with Shell and Tube types so that heat transfer occurs from the shell through which the hot fluid flows to the tube through which the cold fluid passes
Summary
The demand for energy in the form of electricity is the greatest, even with the deregulation in the economic sector, industrial activity increases more rapidly so that the demand for electric power increases exceeds the original estimate. In Indonesia, the history of the nuclear reactor began on 5 December 1958 with the formation of the Nuclear Power Weapons (LTA) with the task of undertaking research and development of nuclear energy. The reactor cooling system determines the heat transfer resulting from the fission reaction. One part of this cooling system is the Heat Exchanger. In addition to research reactors, Heat Exchangers are widely used in industry and energy generation such as nuclear power plants, power plants, power plants and others. Heat exchanger is one of the important components used in the industry and power plant so o enable the existance of new design that can produce optimal heat transfer [5,6]. The results of GABIT will be given various agnitudes and boundary conitions calculated using FLUENT
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