Shell and tube heat exchangers are commonly used in the chemical industries and separations processes. My fire water pump calculation post series will be postponed due to these topics. The combined effect of all these correction factors for a welldesigned shellandtube heat exchanger is of the order of 0. Design of shell and tube heat exchanger layout design. They are made from bundles of tubes and may be composed of several types of tubes. Heat is transferred from the hot fluid to the wall by convection, through the wall by conduction and from the wall to the cold fluid by convection. This multimedia edition contains interactive features that bring the rigorous and authoritative material from hedh to life. Shells heat exchanger design handbook, multimedia edition. How does heat transfer work in a shell and tube heat exchanger. The first stage is concerned with the selection of the most appropriate heat exchanger type, for example, the choice of a shell and tube exchanger as opposed to a plate, rotating wheel, heat pipe, etc. Pdf on feb 8, 2020, phelelani eshmael mamba and others published heat exchanger design report design of a shell and tube heat exchanger, 1 shell 1 tube pass with fixed tube head and counter. He is author of the successful heat exchanger design handbook, first edition published by marceldekker now crc press in 2000. Unlike other tools, ensures that the calculations are performed step by step to help in understanding the design calculations.
This is due to the larger area the plates provide over tubes. The choice of shell and tube type is determined chiefly by factors such as the need for the provision for differential movement between shell and tubes, the design pressure, the design temperature, and the fouling nature of the fluids rather than the function. How to design a shell and tube heat exchanger quora. It may also be used for the preliminary design of shell and heat exchangers in actual industrial. May 28, 2017 this figure shows you general stepbystep method of design of shell and tube heat exchanger. At the ends of the heat exchanger, the tubeside fluid is. A plate type heat exchanger, as illustrated in figure 2, consists of plates instead of tubes to separate the hot and cold fluids. 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. This figure shows you general stepbystep method of design of shell and tube heat exchanger design of shell and tube heat exchanger. As its name implies, this type of heat exchanger consists of a shell a large pressure vessel with a bundle of tubes inside it. The two most common heat exchanger design problems are those of rating and sizing. Define the duty q from mass flow rate, inlet temperature, outlet temperature, and heat capacity. D o l and u is the overall heat transfer coefficient. All to often i find engineering books with only theory used for the classroom but.
Sekulic this book contains all basic and necessary information about heat exchanger design. Good practice for heat exchanger selection and design. Shell and tube heat exchanger as the name proposed, they are built around tubes mounted in a cylindrical shell, the tubes are parallel to the shell. Heat exchanger design to choose a suitable heat exchanger for a certain application requires a level of knowledge and experience. As its name implies, this type of heat exchanger consists of a shell a large press. Heat transfer equipment design advanced study institute book.
Most shell and tube heat exchangers are either 1, 2, or 4 pass designs on the tube side. When designing or choosing a heat exchanger there is no single correct solution. One fluid flows inside the tubes is called the tube side fluid, while the other fluid flows across and along the axis of the exchanger in the shell side shell side fluid. Due to the high heat transfer efficiency of the plates, plate type heat exchangers are usually very small when compared to a tube and shell type heat exchanger with the same heat transfer capacity. Bentleys autopipe vessel offers designers a comprehensive and userfriendly solution for mechanical design for virtually any type of shell and tube heat exchangers all based on global. Therein, popular analytical techniques such as log mean temperature difference lmtd and effectivenessnumber of. I am new to this website, i wanted to share a few spreadsheets, dont know whether this where i should share the file or not. The steam generator and main condenser of nuclear facilities are of the twophase, ordinary heat exchanger classification.
Heat exchanger theory and the heat exchanger design. Wiley also publishes its books in a variety of electronic formats. The design of shell and tube heat exchanger using kern method for water and steam combination is validated by wellknown dittusboelter equation of turbulent flow inside tube. Apr 24, 2017 in my view, the best books for heat exchanger design are these. Chapter 2 basic thermal design theory for heat exchangers. Shell and tube heat exchanger design linkedin slideshare. I usually calculate for both shell side and tube side just to ensure that the duty is similar. Heat exchanger theory, calculations, and design bright hub.
Part of the eurotherm seminars book series eurotherm, volume 18. This refers to the number of times the fluid in the tubes passes through the fluid in the shell. Define design parameters such as number of tube passes, tube size, shell id etc. Because this is so many, i think i will divide the topic into three topics. Types of heat exchangers shell and tube, plate type. Thermal design of shell and tube heat exchangers bill watson on. Multimedia edition of heat exchanger design handbook hedh is the standard reference source for heat transfer and heat exchanger design. Shell and tube heat exchanger design is an iterative process, which goes through the following steps. Shell and tube heat exchanger design software for educational. Boiling heat transfer and twophase flow in tubes and tube bundles m k jensen.
The mechanical design of a shell and tube heat exchanger provides information on items such as shell thickness, flange thickness, etc. Chapter 5 heat exchangers faculty of engineering and. A shell and tube heat exchanger is a class of heat exchanger designs. The determination of the optimum heat exchanger design for a specific, well defined application can be regarded as a two stage process. Two exchangers in series can be modeled in one shell. Fluid flow simulation for a shell and tube style exchanger. Kuppan is a noted authority in the area of heat exchangers, pressure vessels, and railway technologies. Good practice for heat exchanger selection and design page 4 of 12 use one tube pass per shell pure counter current.
Due to the high heat transfer efficiency of the plates, plate type heat exchangers are usually very small when compared to a tube and shell type heat exchanger with the. Process fluid assignments to shell side or tube side. Heat exchanger design an overview sciencedirect topics. Shell and tube heat exchanger wikimili, the free encyclopedia. Shell and tube heat exchanger design calculations to find the required heat transfer area can be done if the needed rate of heat transfer from one fluid is known along with the desired inlet and outlet temperatures of the other fluid and an estimate for the overall heat transfer coefficient. Design optimization of a shellandtube heat exchanger. Shell and tube heat exchanger shell and tube heat exchangers consist of series of tubes. Design improvements of a shell and tube heat exchanger based on practical experience and numerical. The analysis is extended using the above kern method with different fluid. Heat exchanger theory leads to the basic heat exchanger design equation.
In this present work, a shell and tube heat exchanger with a 1shell, 1tube pass and counter current flow designed from kerns method is presented. The hot and cold fluids alternate between each of the plates. E1mnl032a design and rating of shell and tube heat. Thulukkanam kuppan works for the indian railway service of mechanical engineers, and is based in chennai, india. With the optimized design of shell and tube heat exchanger sthe with new baffle configuration, it was found that thermal performance of the heat exchanger with threezonal baffles was slightly improved, whereas shell side pressure drop was significantly decreased compared to the conventional baffled sthe. Selection, design, and operation, second edition, is fully. This comprehensive reference covers all the important aspects of heat exchangers hestheir design and modes of operationand practical, largescale applications in process, power, petroleum, transport, air conditioning, refrigeration, cryogenics, heat recovery, energy, and other industries. Select a suitable type of shell and tube exchanger. Most shellandtube heat exchangers are either 1, 2, or 4 pass designs on the tube side.
Shell and tube heat exchanger design software for thermal. In my view, the best books for heat exchanger design are these. The analysis is extended using the above kern method with different fluid combinations. Heat exchanger theory and the heat exchanger design equation. A practical guide for planning, selecting and designing of shell and tube exchangers manfred nitsche.
The shell and tube heat exchanger design software is developed for use in the teaching of thermal and hydraulic design of shell and tube heat exchangers usually at the senior undergraduate level of a mechanical or chemical engineering course. Knowledge about heat exchanger theory, calculations and design is important because of the widespread use of a variety of heat exchangers for industrial use and in everyday life. Shah rochester institute of technology, rochester, new york. Design and operation of heat exchangers and their networks. I usually calculate for both shell side and tube side just to ensure that the duty is. A heat exchanger involves two flowing fluids separated by a solid wall. In this paper, multiobjective optimization of the heat transfer area and pumping power of a shellandtube heat exchanger is presented to provide the designer with multiple paretooptimal solutions which capture the tradeoff between the two objec. A practical guide for planning, selecting and designing of shell and tube exchangers. Feb 23, 2000 this comprehensive reference covers all the important aspects of heat exchangers hestheir design and modes of operation and practical, largescale applications in process, power, petroleum, transport, air conditioning, refrigeration, cryogenics, heat recovery, energy, and other industries. I am trying to design a heat exchanger but i am getting shell in parallel x 2 what are the parameters i should vary so that i can get a single shell design. Heat exchanger design handbook mechanical engineering.
A unique, singlesource volume offering essential material on heat exchanger design in a unified approach suitable to many applications, fundamentals of heat exchanger design details an indepth thermal and hydraulic design theory underlying twofluid heat exchangers for steadystate operation. Heat exchanger design handbook mechanical engineering kuppan. These are calculated using a pressure vessel design code such as the boiler and pressure vessel code from asme american society of mechanical engineers and the british master pressure vessel standard, bs 5500. Heat pipe heat exchanger design theory r k shah and a d giovannelli. In a single pass heat exchanger, the fluid goes in one end of each tube and out the other. Analysis study of shell and tube heat exchanger for clough.
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. The optimal design of shellandtube heat exchangers is explained. Htri shell and tube hx posted in industrial professionals. It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higherpressure applications. Completely revised and updated to reflect current advances in heat exchanger technology, heat exchanger design handbook, second edition includes enhanced figures and thermal effectiveness charts, tables, new chapter, and additional topicsall while keeping the qualities that made the first edition a centerpiece of information for practicing engineers, research, engineers. Design and operation of heat exchangers springerlink. Q is the rate of heat transfer between the two fluids in the heat exchanger in buthr, u is the overall heat transfer coefficient in btuhrft 2 o f, a is the heat transfer surface area in ft 2, and.
Aug 24, 2017 bentleys autopipe vessel offers designers a comprehensive and userfriendly solution for mechanical design for virtually any type of shell and tube heat exchangers all based on global. The project involved the design of a shell and tube heat exchanger with a number of specifications. The chosen heat exchanger flow pattern is also needed in order to calculate the log mean temperature. What are some good books for heat pipe heat exchangers both. The basic heat exchanger design equation can be used for a variety of types of heat exchangers, like double pipe heat exchangers or shell and tube heat exchangers. Setting shell side and tube side pressure drop design limits. Heat transfer equipment may be designated by type or function it performs, such as chiller, condenser, cooler reboiler, etc.
Read heat exchanger design guide online by manfred nitsche and. The information presented here along with the books referenced here is certainly a good start. Nov 20, 2019 a shell and tube heat exchanger is a class of heat exchanger designs. In this paper, multiobjective optimization of the heat transfer area and pumping power of a shell and tube heat exchanger is presented to provide the designer with multiple paretooptimal solutions which capture the tradeoff between the two objec. Design and rating of shell and tube heat exchangers page 4 of 30 mnl 032a issued 29 august 08, prepared by j. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarized as follows. Final episode of the year here folks and i wanted to talk about the basics of. The shell inlet is at the top rear and outlet in the foreground at the bottom. This is a simplified example of a shell and tube exchanger. Reflecting the authors extensive practical experienc. Shell and tube heat exchanger step by step calculations to.
Heat exchanger design handbook kuppan thulukkanam this comprehensive reference covers all the important aspects of heat exchangers hes. It is the most common type of heat exchanger in oil refineries and other large chemical processes, and. Pdhonline course m371 2 pdh shell and tube heat exchangers. Industrial heat exchanger types include the most common double pipe heat exchangers, shell and tube heat exchangers, as well as spiral, flat plate, and fin tube heat exchangers. The the most fundamental variable in heat exchanger tubes can have any geometry such as lat or round.