This paper presents a rigorous investigation of manyobjective four objective optimization of shell and tube heat exchangers. 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. One simple and obvious solution for increasing shell and tube heat exchanger performance might be to switch the shell and tube fluids. Among all type of heat exchanger, shell and tube heat exchanger most commonly used. In the case of heat exchangers mediums through which heat is transfer may be solid wall as they never mix or it may be a media which are at a straight. Pdf economic optimization of shell and tube heat exchanger. One fluid flow inside the tubes, while the other fluid flows across and along the axis of the exchanger, the major components of this exchanger are tubes tube bundles, shell, front end. The problem with their method however, is that it is restricted to shell and tube heat exchangers fitted with plain tube. In this study, the optimum design of shell and tube heat exchangers is investigated by applying the entransy dissipation theory and genetic algorithm method. In this study lifecycle cost optimization procedure for shell and tube heat exchanger has developed.
In this study, total heat transfer rate and pressure drop along a shell and tube heat exchanger sthx with 6 porous baffles are numerically investigated. E1mnl032a design and rating of shell and tube heat. The formulated problem consists of the minimization of the thermal surface area for a certain service, involving discrete decision variables. Thermal design and optimization of heat exchangers. Multiobjective thermal desing optimization of a shell and. For the optimal design of shellandtube heat exchangers improved version of genetic algorithm named differential. The effectiveness of the nonoptimized purchased heat echangers x was found to be 0. Design process sustained by the traditional procedures involves tedious and exhaustive iterative. General design considerations and design procedure are also. A novel heat exchanger design method using a delayed. Fin tube heat exchanger optimization piotr wais cracow university of technology, depa rtment of thermal power engineering poland 1. It is the most common type of heat exchanger in oil reneries and other large chemical processes, and it is suite for high pressure applications.
Introduction saving material and energy are common objectives for optimization. Orc, shellandtube heat exchanger, plate heat exchanger, system optimization 1. Shell and tube heat exchangers are commonly used in oil refineries and other large chemical processes. Manyobjective optimization of shell and tube heat exchanger. This paper presents a study about the design optimization of shell and tube heat exchangers.
Generally, fins increase the internal and external tube heat transfer coefficients. Pdf optimization of shell and tube heat exchanger ijsrd. Design optimization of shell and tube heat exchangers. For a given total rate of heat transfer and the known inlet and exit temperatures of the hot and cold fluids, the total area of the heat exchanger network is minimized. Selection of heat exchanger tema layout and number of passes. One of the important issues that should be defined during the design work, taking in consideration the cost of. From the viewpoint of engineering, an optimum design is obtained via maximum heat transfer rate and minimum cost. To study the impacts of segmental porous baffles, three values for the permeability 10. Design optimization of shell and tube heat exchanger by vibration analysis article pdf available in modern mechanical engineering 11. Design methods2 shell and tube heat exchangers are designed normally by using either kerns method or belldelaware method.
Pdf design and optimization of a shell and tube heat exchanger. Genetic algorithm is used to optimize optimization the objective function which is a mathematical model for the cost of the shell and tube heat exchanger. 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. Shell and tube heat exchanger used to simulate the countercurrent flow of a single large exchanger. Optimisation of plateplate fin heat exchanger design kunpeng guo the university of manchester 2015 abstractphd thesis with increasing global energy consumption, stringent environmental protection legislation and safety regulations in industrialised nations, energy saving has been put under high priority. National institute of technology, gujarat, india the manuscript was received on 3 november 2010 and was accepted after revision for publication on 15 february 2011. Optimization of a finned shell and tube heat exchanger using.
Ntu method and belldelaware approach for estimating the shell side heat transfer coefficient and pressure drop, the exchanger was optimized by maximizing the effectiveness as well as minimizing the total cost. Issn 2348 7968 optimization of tubesheet thickness of. Schematic diagram of component of shell and tube type heat exchanger iii. In the present work, a new shellandtube heat exchanger optimization design approach is developed, wherein the dimensionless entropy generation rate. Optimization design of shellandtube heat exchanger by entropy. Shell and tube heat exchanger partial differential equations in the analysis of a heat exchanger, or any heat transfer problem, one must begin with an energy balance. In this chapter, thermal modeling of different types of heat exchangers like shell and tube heat exchanger, platefin heat exchanger, fin and tube heat exchanger, plate heat exchanger, and rotary regenerator is presented. Manyobjective optimization problem is formed by considering maximization of effectiveness and minimization of total cost, pressure drop and number of entropy generation units of heat exchanger. Since a lower heat transfer area will ensure a heat exchanger with a reduced capital cost 38 and also space usage can be reduced with smaller shell volume. Optimisation of plateplatefin heat exchanger design. Heat exchanger type shell and tube counter flow, hot fluid in tubes and cold fluid in the shell. Heat exchanger design can be a complex task, and advanced optimization tools are useful to identify the best and cheapest heat exchanger for a specific duty. 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.
The design of shellandtube heat exchangers including thermodynamic and fluid dynamic design, strength calculations, cost estimation and optimization represents a. Shell and tube heat exchanger are built of round tubes mounted in a cylindrical shell with the tubes parallel to the shell. Three design variables such as shell internal diameter, outer tube diameter and baffle spacing are considered for optimization. Multiobjective optimization of the design parameters of shell and tube type heat exchanger based on economic and size consideration a thesis submitted in partial. Shell and tube heat exchanger shell and tube heat exchangers consist of series of tubes.
International journal of science, engineering and innovative research paper id. Figure 3 shows the appearance of the heat exchangers with the incorporation of turbulators. Apr 16, 2016 the classic example of a heat exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils and air flows past the coils, which cools the coolant and heats the incoming air. Heat transfer optimization of shell and tube heat exchanger through cfd studies usman ur rehman c usman ur rehman, 2011 masters thesis 2011. The present study has demonstrated successful application of pso technique for the optimal design of a shell. Pdf for the purpose of heat transfer enhancement, the configuration of a shelland tube heat exchanger was improved by considering the. There is flexibility regarding materials of construction. One simple and obvious solution for increasing shellandtube heat exchanger performance might be to switch the shellandtube fluids. From the viewpoint of engineering, an optimum design is obtained via maximum heat transfer rate and. In the case of heat exchangers mediums through which heat is transfer may. Nowadays heat exchanger shell and tube a quite common type device universally.
Pdf design optimization of shell and tube heat exchanger by. Masters thesis in innovative and sustainable chemical engineering. This paper presents a study about the design optimization of shellandtube heat exchangers. Effectiveness improvement and optimization of shellandtube. It can be seen that although there are many methods that have been presented for heat exchanger optimization.
Heat exchanger exergetic lifecycle cost optimization using. Shell and tube heat exchanger heat exchanger process data sheet shell and tube heat exchanger process heat exchanger process text. The vibration analysis of sthe helps in achieving optimization in design by prevention of tube failure caused due to flow induced vibration. As its name implies, this type of heat exchanger consists of a shell a large pressure vessel with a bundle of tubes inside the shell. Fins are utilized less frequently to decrease shellside thermal. Pdf design optimization of shell and tube heat exchanger. Heat transfer area and pressure drops and checking whether the assumed design satisfies all requirement or not. Thermal optimization of shell and tube heat exchanger. The problem with their method however, is that it is restricted to shellandtube heat exchangers fitted with plain tube. The purpose of this paper is how to design the shell and tube heat exchanger which is the majority type of liquid toliquid heat exchanger. Optimization of design parameters on shell and tube heat. The classic example of a heat exchanger is found in an internal combustion engine in which a circulating fluid known as engine coolant flows through radiator coils and air flows past the coils, which cools the coolant and heats the incoming air.
A heat exchanger is a device, which transfer internal thermal energy between two or more fluids at different temperature. Introduction lowtemperature geothermal heat sources are widely available 1, but the electricity production e ciency is low due to the low temperature. Heat transfer rate and cost significantly affect designs of shell and tube heat exchangers. Setting shell side and tube side pressure drop design limits. Specification of tube parameters size, layout, pitch. Process fluid assignments to shell side or tube side. Kerns method is mostly used for the preliminary design and provides conservative results whereas. To achieve the same, a 2d model of shell and tube heat exchanger was. Heat exchangers are energy conservation equipment used to transfer heat between hot and cold fluid. According to the second law of thermodynamics, the. Jun 25, 2018 in this study, the optimum design of shell and tube heat exchangers is investigated by applying the entransy dissipation theory and genetic algorithm method.
Assuming the constant and known base temperature and zero heat flow through the tip of the fin. Shell and tube heat exchanger with and without turbulators were considered for the present design and study. The main reason for tube failure due to flow induced vibration is increased size of sthe. Configuration optimization and performance comparison of. The design of shell and tube heat exchangers including thermodynamic and fluid dynamic design, strength calculations, cost estimation and optimization represents a. Comparison of shellandtube with plate heat exchangers for. Heat exchanger, thermal analysis, structural deformation, optimization.
Optimization of shell and tube heat exchanger abhishek arya1 dangar sunilbhai dhanjibhai2 1assistant professor 2m. Design optimization of shell and tube heat exchangers using swarm optimization algorithms r v rao and v patel department of mechanical engineering, s. For the optimal design of shell and tube heat exchangers improved version of genetic algorithm named differential. Design optimization of a shell and tube heat exchanger.
Many authors have tried to maximize the electricity production e ciency of. In this paper after thermal modeling of an industrial shell and tube heat exchanger using. Optimization of shell and tube heat exchanger networks. Orc, shell and tube heat exchanger, plate heat exchanger, system optimization 1. Here, an analysis of a radial, finned, shell and tube heat exchanger is carried out, considering nine design parameters. This project presents an attempt to optimize a shell and tube heat exchanger. Comparison of shellandtube with plate heat exchangers. Optimization of a finned shell and tube heat exchanger using a multiobjective optimization genetic algorithm. Shellandtube heat exchangers are commonly used in oil refineries and other large chemical processes. Additional constraints represent geometrical features and velocity conditions which must be complied in order to reach a more realistic solution for the process. Design optimization of shellandtube heat exchangers. Design and optimization of shell and tube heat exchanger.
A shell and tube heat exchanger is a class of heat exchanger designs. Design optimization of shellandtube heat exchanger using. Design optimization of shellandtube heat exchangers request pdf. Without this essential piece of equipment most industrial process would be impossible. Design optimization of shell and tube heat exchanger sthe and its effect on.
Alternative milp formulations for shell and tube heat. A methodology is presented for the optimization of a network of shell and tube heat exchangers connected in series. A characteristic of heat exchanger design is the procedure of specifying a design. Fintube heat exchanger optimization 349 where i0 and k 0 are modified, zeroorder bessel functions of the first and second kind respectively. According to the second law of thermodynamics, the most.
Introduction the main purpose of heat exchanger is the transfer of heat from one fluid to another. Computational analysis mainly carried out in the case of baffle angle and tube arrangement. In this paper a simplified approach to optimize the design of shell tube heat exchanger sthe by flow induced vibration analysis fva is presented. Heat exchanger is one of the equipment found in all industry. Equation 4 is valid for a 11 exchanger with 1 shell pass and 1 tube pass in parallel or counterflow. A device used for efficient heat transfer from one medium to another is called heat exchangers. Design and optimization of shell and tube heat exchanger ankit r. Heat transfer optimization of shellandtube heat exchanger. Design process sustained by the traditional procedures involves tedious and exhaustive iterative calculations which sometimes becomes. This study considers global best algorithm gbest for thermoeconomic design of a shell and tube condenser. Pdhonline course m371 2 pdh shell and tube heat exchangers.
Multiobjective optimization of shell and tube heat. Heat transfer optimization of shellandtube heat exchanger through cfd studies usman ur rehman c usman ur rehman, 2011 masters thesis 2011. Design optimization of shell and tube heat exchanger by. Maximum recovered additional power was found to be 2. Pdf in this paper a simplified approach to optimize the design of shell tube heat exchanger sthe by flow induced vibration analysis fva is. The present study has demonstrated successful application of pso technique for the optimal design of a shell and tube heat exchanger from economic view point. In fact, this article presents solutions to increase performance of heat exchanger with changes in geometry, such as the number of tubes, tube diameter, and baffle geometries. Fin tube heat exchanger optimization 349 where i0 and k 0 are modified, zeroorder bessel functions of the first and second kind respectively. No guidance is given on how to generate these equations. Shell and tube heat exchanger, optimization algorithm, cost minimization, energy expenditures, genetic algorithm, simulated annealing, pattern search and fmincon cite this article dr.
Heat exchanger is an equipment for heat transfer from one medium to other. Selection of heat transfer models and fouling coefficients for shell side and tube side. The performances of shell and tube heat exchanger mainly. Manyobjective optimization problem is formed by considering maximization of effectiveness and minimization of total cost, pressure drop and number of. Design optimization of shell and tube heat exchangers using swarm optimization algorithms r v rao and v patel proceedings of the institution of mechanical engineers, part a. Extension to other exchanger types requires new equations. Effectiveness improvement and optimization of shelland. Our optimization problem corresponds to the design of shell and tube heat exchangers with a single etype shell with single segmental baffles, applied for services without phase change in turbulent flow. Optimization of shell and tube heat exchanger for tube. Elizabeth amudhini stephen, cost minimization of shell and tube. Design optimization of shell and tube heat exchangers using. Professor bengt andersson the work is done with the colaboration of tetrapak processing systems lund, sweden.
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