In the design analysis, performance charts and tables describing the performance of the shell and tube heat exchanger in terms of crucial dimensionless parameters were developed. These exchangers are made of a shell housing smaller tubes. One fluid is made to pass through the tubes tube side and the other is passed through the shell shell side. Heat transfer mechanism shell and tube heat exchangers are typically used for high pressure applications with pressures greater than 30 bar and temperatures greater than b. May 28, 2017 this figure shows you general stepbystep method of design of shell and tube heat exchanger.
Types of heat exchangers shell and tube, plate type. A working guide to shell and tube heat exchangers download. I usually calculate for both shell side and tube side just to ensure that the duty is. The basic layout for a countercurrent shell and tube heat exchanger together with the associated heat curve for a condensing process generated from chemcad are shown. Click download or read online button to get a working guide to shell and tube heat exchangers book now. The heating is to be accomplished by passing hot engine oil, which is at 160c, through the shell side of the exchanger. Pdhonline course m371 2 pdh shell and tube heat exchangers.
As shown in figure 47, the shell and tube heat exchanger consists of the shell, which. It consists of a series of tubes, through which one of the fluids runs. A plate type heat exchanger, as illustrated in figure 2, consists of plates instead of tubes to separate the hot and cold fluids. Heat exchanger design handbook mechanical engineering. Selection of heat transfer models and fouling coefficients for shell side and tube side. Click download or read online button to get fundamentals of heat exchanger design book now. According to flow of fluids, the heat exchangers are classified into three categories. The basic design equation and overall heat transfer coefficient the basic heat exchanger equations applicable to shell and tube exchangers were developed in chapter 1. This figure shows you general stepbystep method of design of shell and tube heat exchanger design of shell and tube heat exchanger. As per the design of all shell and tube heat exchangers, one fluid flows through the smaller tube s.
In addition, we will examine various aspects of heat exchanger design and analysis. Heat transfer equipment may be designated by type or function it performs, such as chiller, condenser, cooler reboiler, etc. Pdf heat exchanger design handbook matt pennington. Tech thesis on shell and tube heat exchanger design using. Karl ponweiser institute for thermodynamics and energy conversion vienna university of technology vienna, austria published by wseas press. E1mnl032a design and rating of shell and tube heat. This type of heat exchanger consists of a set of tubes in a container called a shell. The combined effect of all these correction factors for a welldesigned shellandtube heat exchanger is of the order of 0. Shell and tube type heat exchanger, indirect contact type heat exchanger. Klarexs netherlands selfcleaning heat exchanger consists of a design that reduces the surface area by approximately 20% see fig. If exchanger shell diameter is in doubt, see chapter 2, heat exchangers, the shell diameter. Typical film resistances for shell and tube heat exchangers and overall heat transfer coefficients for air cooled heat exchangers are shown in chapter 2, heat exchangers.
These are some exchanger parts are important for the overall design of. Later, for final design, certain critical services will be checked in detail. The most basic and the most common type of heat exchanger construction is the shell and tube type. 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. 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. Design of shell and tube exchangers is commonly governed by the standards created by tema tubular exchangers manufacturers association. Pdf download sadik kakac, hongtan liu and anchasa pramuanjaroenkij by heat exchangers. Here, we will cite only those that are immediately useful for design in shell and tube heat exchangers with sensible heat transfer on the shell side. Heat exchangers design and theory sourcebook internet archive. Shell and tube heat exchanger design linkedin slideshare. Shell and tube heat exchangers are classified and constructed in accordance with the widely used tubular exchanger manufacturers association tema standards 5, din and other standards in europe and elsewhere, and asme boiler and pressure vessel codes. This site is like a library, use search box in the widget to get ebook that you want.
Principles of finned tube heat exchanger design for enhanced heat transfer 2nd edition by dipl. Pdf design of shell and tube heat exchanger single. 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. This site is like a library, use search box in the widget to get ebook. Vehicle dynamics, stability, and control, second edition. Fundamentals of heat exchanger design download ebook pdf. Shell and tube heat exchangers areused widely in the chemical process industries, especially in refineries, because of the numerous advantages they offer over other types of heat exchangers. Lewin heat exchanger design shell and tube heat exchangers heuristic 55.
Shell and tube heat exchangers page 4 of 30 mnl 032a issued 29 august 08, prepared by j. Therein, popular analytical techniques such as log mean temperature difference lmtd and effectivenessnumber of. Most shellandtube heat exchangers have multiple passes to enhance the heat transfer. In this chapter we will examine the basic theory of heat exchangers and consider many applications. May 03, 2019 shellandtube type heat exchanger having a 0, b 30, and c 60 baffle angles. Lewin heat exchanger design shell and tube heat exchangers these movies demonstrate the flow of process fluids in a typical shell and tube heat exchanger setup. The common focus of the publication is to predict the variation of lmtd, heat transfer coefficient, nusselt number, and pressure drop with a change in values of reynolds number for 0, 30, and 60 baffles situated in the heat exchanger as shown in figure 1. Define the duty q from mass flow rate, inlet temperature, outlet temperature, and heat. Conventional heat exchangers suffer from fouling, leading to a decrease in the heat transfer coefficient with time. Besides basic concepts and thermal design of heat exchangers, inclusion of topics such as mechanical design, materials selection, fabrication, quality control and testing during heat exchanger manufacture is a speciality of this treatise. In parallel flow heat exchangers, both the tube side fluid and the shell side fluid flow in same direction.
Setting shell side and tube side pressure drop design limits. In this research paper we will examine the basic theory of heat exchangers and consider many applications. 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. A practical guide for planning, selecting and designing of shell and tube exchangers takes users on a stepbystep guide to the design of heat exchangers in daily practice, showing how to determine the effective driving temperature difference for heat transfer. As you can see, in a 12 heat exchanger, the tube side fluid flows the entire length of the shell, turns around and flows all the way back. One of the most common applications is the cooling of hydraulic fluid and oil in engines, transmissions and hydraulic power packs. Heat exchanger design handbook by kuppan heat transfer equipment design. A form of shell and tube heat exchanger, double pipe heat exchangers employ the simplest heat exchanger design and configuration which consists of two or more concentric, cylindrical pipes or tubes one larger tube and one or more smaller tubes. Define the duty q from mass flow rate, inlet temperature, outlet temperature, and heat capacity.
Unit operations lab heat exchanger 11 heat exchanger heat exchange is an important unit operation that contributes to efficiency and safety of many processes. Tech thesis on shell and tube heat exchanger design. A practical guide for planning, selecting and designing of shell and tube exchangers takes users on a stepbystep guide to the design of heat exchangers in daily practice, showing how to determine the effective driving. The hot and cold fluids alternate between each of the plates.
Here is an example of a 12 1 shell pass and 2 tube passes heat exchanger. A lot of information is available regarding their design and construction. The present notes are intended only to serve as a brief introduction. Design and rating of shell and tube heat exchangers page 2 of 30 mnl 032a issued 29 august 08, prepared by j. The technology features a shell and tube heat exchanger in the vertical position. Reflecting the authors extensive practical experienc. 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. 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. A typical heat exchanger, usually for higher pressure applications up to 552 bars, is the shell and tube heat exchanger. Mar 26, 2020 platefin heat exchangers have lots of thin metal plates or fins with a large surface area because that exchanges more heat more quickly. Selection of heat exchanger tema layout and number of passes. This book is a compendium of several topics pertaining to the design of heat exchanger design.
The oil provides an average convection coefficient ho 400 wm2k on the outside of the tubes. Process fluid assignments to shell side or tube side. Heat exchangers doehdbk1018193 types of heat exchangers. Specification of tube parameters size, layout, pitch. Selection, rating, and thermal design written by sadik kakac, hongtan liu and anchasa pramuanjaroenkij is very useful for mechanical engineering mech students and also who are all having an interest to develop their knowledge in the field of design. Plate type heat exchangers are not widely used because of the inability to reliably seal the large gaskets between each of the plates. All these heat exchangers can be operated in both parallel and. Heat exchanger theory and the heat exchanger design equation. Platefin heat exchangers have lots of thin metal plates or fins with a large surface area because that exchanges more heat more quickly. Tema has developed a notation system to designate the main types of shell and tube exchangers.
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