How to model a shell and tube heat exchanger comsol blog. How to model tube in shell heat exchanger with pcm in comsol. These are calculated using a pressure vessel design code such as the. As part of a class project, a shell and tube heat exchanger was analyzed numerically for the given flow rates and fluids. Multiphysics simulation of a printed circuit heat exchanger. Based on the heat exchanger construction data a comparison is then done with the chemcad calculation it is possible to optimise the heat exchanger heat transfer area automatically by forcing design parameters such as tube length, tube passes, tube layout, shell. Shellandtube heat exchangers are commonly used in oil refineries and other large chemical processes. Design of shell and tube heat exchanger and pump for. Simulation results of temperature, pressure, heat flux and fluid velocity within the system are reported in. I am now modelling shell and tube heat exchanger using comsol multiphysics 5. This site is not directly affiliated with webbusterz engineering software.
Unlike other tools, ensures that the calculations are performed step by step to help in understanding the design calculations. In this model, two separate fluids at different temperature pass through the heat exchanger. I have decided to design a fixed tubesheet heat exchanger. Shell and tube heat exchanger design is a product developed by webbusterz engineering software.
Citeseerx document details isaac councill, lee giles, pradeep teregowda. Citeseerx optimization of shell and tube heat exchangers. Engineers obtain key insights like the flow distribution in the tube and shell, recirculation zones, areas of greater and lesser heat. Heat transfer, computational fluid dynamics, computer simulation, comsol multiphysics, condenser. Comsol software users who are onsubscription should submit their questions via the support center for a more comprehensive response from the technical support team. Learn how to build a model of a shellandtube heat exchanger to accurately study the heat transfer coefficient and pressure drops. Shell and tube heat exchangers are one of the most widely used type of heat exchanger in the processing industries 65% of the market according to h. Comsol multiphysics was used for numerical solution of the governing equations of heat transfer and pressure drop. I am plugging some of the tubes within the structure to see its effect on del. The shell and the tubes can be made of different materials. Up to eight design conditions can be investigated for fixed, u tube.
Computer modeling of heat balance in counterflow tube heat. In this study, the design of a shell and tube counterflow heat exchanger in autocad software is first considered, and the system is then meshed and simulated in ansys 2019 software. To find the developed area of flow inside the tube we use the empirical relation x 0. Shellandtube heat exchanger free download and software.
Pdf shellandtube heat exchanger ishtiaq tanvir academia. Design a shell and tube heat exchanger comsol multiphysics. A shell and tube heat exchanger with a 25% baffle cut was. Process fluid assignments to shell side or tube side. The shell and tube heat exchangers are most commonly used in all industries. Ansys fluent tutorial tube in tube helical coil heat exchanger. Im simulating a shell and tube heat exchanger in comsol. First, using a helix primitive object, we show you how to divide and conquer the meshing for a relatively complex geometry by splitting it into smaller, simpler domains. The model incorporates the effects of fluid velocity in inlet and outlet and the material used for construction of heat exchanger for the required heat. Solving a design problem for shell and tube heat exchanger in htri software using tubular exchanger manufacturing association tema standards you can make full design of heat. Pdf in this paper, the new approach of comsol multiphysics 3.
Here, i will show you how to model a shell and tube heat exchanger using comsol multiphysics in a stepbystep video tutorial. Designing shell and tube heat exchanger ansys fluent tutorials duration. Shell and tube heat exchanger in comsol is not converging. This tool also calculates the utility requirements for achieving the desired heat. Determines the preliminary size for a shell and tube heat exchanger based on the process information provided. Thermostructural fatigue and lifetime analysis of a heat. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarised as follows. Shell and tube heat exchangers are one of the most widely used type of heat exchanger in the processing industries 65% of the market according to ref.
The mechanical design of a shell and tube heat exchanger provides information on items such as shell thickness, flange thickness, etc. Next, using the geometry from the shell and tube heat exchanger. Effects of fluctuating thermal sources on a shellandtube. Design and simulation of shell and tube heat exchanger. Please check out the latest version of this software s. Numerical study of shell and tube heat exchanger with different. In this model, two separated fluids at different temperatures flow through the heat exchanger, one through the tubes tube side and the other through the shell around the tubes shell side. Shell and tube heat exchanger design security and download notice download. Multiphysics simulation of a printed circuit heat exchanger a. Multiphysics numerical modeling of a fin and tube heat. On the comsol youtube channel, you will learn something new in a variety of helpful and entertaining videos. Shell and tube heat exchanger model tutorial comsol.
Shell and tube heat exchangers are commonly used in oil refineries and other large chemical processes. If you need asme uhx and tema mechanical design calculations, drawings and reports then the compress heat exchanger option is for you. Learn how to model a shell and tube heat exchanger in this instructional tutorial video. Numerical study of shell and tube heat exchanger with. Design optimization of shell and tube heat exchanger for oil cooler by comsol multiphysis 8 because this type of heat exchanger is cheap and easily available. Additionally, they can be found in many engines and are used to cool hydraulic fluid and oil.
Xchanger suite is software for the rating, simulation, andor design of a wide variety of heat transfer equipment, including shellandtube and nontubular exchangers, air coolers and economizers, and fired heaters. Ansys fluent heat exchanger tutorial shell and tube. Shell and tube heat exchanger design software for thermal. Turbulent flow through a shellandtube heat exchanger. Model of two separated fluids at different temperatures flowing through a shell and tube heat exchanger. Chempute software thermal heat exchanger simulation. Saari1 1carleton university, ottawa, on, canada abstract compact heat exchangers, specifically printed circuit heat exchangers, are widely used in industry as a replacement for traditionally large heat exchangers e. This video shows how to build a working model of a crossflow, one pass, shell and tube heat exchanger for the purpose of analyzing the heat transfer coefficient of the design as well as the tube and shell side pressure drops. I am going to design a heat exchanger for coal based power plant. In this paper, the new approach of comsol multiphysics 3. Pdf optimization of shell and tube heat exchangers for.
Benefit of modelling of heat exchanger using finite element software. Heat transfer modeling software for advanced simulation. Using comsol multiphysics and the heat transfer module, you can analyze the designs heat transfer coefficient and the pressure drops in the. It has been employed to simulate a theoretical 2d model for shell and tube heat exchanger. Benefit of modelling of heat exchanger using finite. Abstract in this paper, the new approach of comsol multiphysics 3. In this model, two separated fluids at different temperatures flow through the heat exchanger, one through the tubes tube side and the other through the shell around the tubes shell. Lees book, thermal design and are commonly found in oil refineries, nuclear power plants, and other largescale chemical processes. Shell and tube heat exchanger design free download for. Shell and tube heat exchangers are used in various industrial processes, and are one of the most commonly used heat exchangers. To achieve the same, a 2d model of shell and tube heat exchanger. The required heat transfer area, the number of tubes and the shell size are calculated.
It is necessary to operate heat exchanger at optimum condition and low running cost. The layout can maximise the heat transfer area of exhaust gas and pcm, as well as tolerate highpressure fluid. The pcm is placed in the shell side while htf flows through the tube side. In practical applications pressure drop due to fouling in heat exchanger is the major factor which directly affects the performance of the heat exchanger. Comsol, comsol multiphysics, comsol reaction engineering lab, and femlab are. I have made a decision to design a shell and tube heat exchanger. In this paper, the thermal behavior of the shell side flow of a shell and tube heat exchanger has been studied using comsol multiphysis 4. Heat transfer shell and tube heat exchanger simulation, png. I have chosen this for high pressure and temperature. There is flexibility regarding materials of construction.
In this model, two separate fluids at different temperature pass through the heat exchanger, flowing in opposite directions. Shell and tube heat exchanger is a user friendly program which for a given heat exchanger initial conditions and geometry predicts outlet temperatures of both shell side and tube side fluids, heat. E1mnl032a design and rating of shell and tube heat. How to model a shell and tube heat exchanger youtube. A working model of a crossflow, one pass shell and tube heat exchanger is demonstrated here. Pdf optimization of shell and tube heat exchangers for sea.
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