The information presented here along with the books referenced here is certainly a good start. Process fluid assignments to shell side or tube side. Perhaps the most common type of heat exchanger in industrial applications is the shell and tube heat exchanger, shown in figure. Detailed coverage has been provided using extensive animation on heat exchanger operation and maintenance aspects of popular tubular exchanger. Fabricated from stainless steel or titanium, using the latest production techniques the extensive line of quality sec shell and tube heat exchangers encompasses all modern designs and configurations. Shell and tube heat exchanger shell and tube heat exchangers consist of series of tubes. 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. E1mnl032a design and rating of shell and tube heat. Shell and tube heat exchangers page 4 of 30 mnl 032a issued 29 august 08, prepared by j. Shell and tube heat exchangers contain a large number of tubes sometimes several hundred packed in a shell with their axes parallel to that of the shell. The standard types of shell and tube heat exchangers are regulated by the tubular exchangers manufacturers association or tema.
Other articles where shellandtube heat exchanger is discussed. Technical catalogue section 5 shell and tube models. Types of heat exchangers shell and tube, plate type. St series are 316l stainless steel shell and tube heat exchangers. Your phone number select algeria angola armenia benin botswana burkina faso burundi cameroon cape verde central african republic chad congo congo, democratic. In addition, we will examine various aspects of heat exchanger design and analysis. These heat transfer devices are engineered to meet to a wide variety of applications. Heat exchangers jordan university of science and technology. 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.
Shell and tube heat exchanger design is an iterative process, which. Shellandtube heat exchanger definition and meaning. Basically, a heat exchanger does the function of either cooling or heating a fluid depending on the requirement. 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. A typical process industry shellandtube exchanger has a surface area density of less than 100 m2m 3 on one fluid side. The shell and tube heat exchanger as one of several types. Multi stream heat exchangers are solved in enthalpy intervals while i want solve a heat exchanger network with detailed design synthesis such as shell and tube heat exchangers network. Setting shell side and tube side pressure drop design limits.
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. Both types are fullywelded and can be utilized in a variety of applications. 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. Selection of heat transfer models and fouling coefficients for shell side and tube side. Heat exchanger maintenance training animation types. Heat exchanger theory and the heat exchanger design. The approximate dimensions as well as positions of inlets and outlets are shown in fig. Request information for shell and tube heat exchanger. With a plate type heat exchanger, the heat penetrates. Kern for a first approach at sizing it and have an idea of how big the hx is. Shell and tube heat exchanger design is licensed as demo which means that software product is provided as a free download to users but it may be limited in functionality or be timelimited.
The pattern of flow through a shell and tube heat exchanger can have a number of different configuration options. As a result, the heat exchanger cannot be analyzed using the theory presented. Shellandtube heat exchangers are classified and constructed in accordance with the. Heat transfer theory tells us that the log mean temperature difference is the average temperature difference to use in heat exchanger design equation calculations. Review of literature on heat transfer enhancement in heat.
All about shell and tube heat exchangers what you need to know. 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 typical process industry shell and tube exchanger has a surface area density of less than 100 m2m 3 on one fluid side. A shellandtube heat exchanger of gasliquid chemical reactor system has been used. Different types of shell and tube exchangers can be easily configured by changing the shell and tube arrangement. Shell and tube heat exchanger step by step calculations. Compared to shellandtube exchangers, compact heat exchangers are. Che245 lab report solteq concentric tube heat exchanger. Shell and tube heat exchanger standards american petroleum institute api ansiapi standard 660 8th ed tahun 2007 tema tubular exchanger manufactures association university of indonesia 21. These tubes are enclosed in a shell with provisions for the other fluid to flow through the spaces between the tubes. The shellandtube heat exchanger type is among the most popular heat exchangers used in the industry the shellandtube heat exchanger gets its name from the two major components.
Shell and tube heat exchanger stock vector illustration. A working guide to shell and tube heat exchangers download. Shell and tube heat exchanger stock vector illustration of. Vintage bath tube, sink with a water tap, folded bath towels sunscreen lotion and cream bottle and tube isolated on white abstract 3d spiral shell from a blue grid sun cream in a tube vector flat material design isolated object on white background. 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. It is therefore possible to heat or cool fluids or gases which have minimal energy levels. This proven fixed tubesheet shell and tube heat exchanger offers the cost effectiveness that comes with having a highly standardized design, while easily providing various options to meet specific customer requirements.
It utilizes a bundle of tubes through which one of the fluids flows. Specification of tube parameters size, layout, pitch. Heat exchanger theory and the heat exchanger design equation. The schematic of a shell and tube heat exchanger6 shellandtube heat exchangers contain a large number of tubes sometimes several hundred packed in a shell with their axes parallel to that of the shell. Exclusively, only the design theory for twofluid exchangers and some associated. A heat exchanger follows this principle in its endeavour to reach equalisation. With a plate type heat exchanger, the heat penetrates the surface, which separates the hot medium from the cold one very easily. Shell and tube heat exchanger design heat transfer. Heat is carried away be shell side fluid, from fluid inside tube. Tube container of sun cream isolated on white glossy background.
As shown in figure 47, the shell and tube heat exchanger consists of the shell, which is a large vessel with one or more inlet and one or more outlet nozzles. Click download or read online button to get a working guide to shell and tube heat exchangers book now. Furthermore, the tubes are assumed to be made of stainless steel and. The shell and tube heat exchanger type is among the most popular heat exchangers used in the industry the shell and tube heat exchanger gets its name from the two major components the shell and the tubes. Our antivirus scan shows that this download is virus free. Jul 24, 2018 this 3d animated video explains how a shell and tube heat exchanger works.
Pdf design of shell and tube heat exchanger single. As its name implies, this type of heat exchanger consists of a shell a large pressure vessel with a bundle of tubes inside it. 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. Heat exchanger is a device which transfers heat from one medium to another example will remove heat from hot oil by using cold water or air. Speaking from experience, manufacturing shell and tube heat exchangers is the science of drilling holes in the tubesheet and baffles. In this chapter we will examine the basic theory of heat exchangers.
The shell inlet is at the top rear and outlet in the foreground at the bottom. In most cases, the determination of ntu requires extensive calculations. Being able to incorporate the fluid flow of both fluids is important in the analysis. The optimum thermal design of a shell and tube heat exchanger involves the. I know the temperatures of both fluids and want to observe the heat transfer behavior. Regular monitoring of the process side and utility side pressure drop is another reliable measurement of performance. The combined effect of all these correction factors for a welldesigned shellandtube heat exchanger is of the order of 0. Shell and tube heat exchanger design linkedin slideshare.
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. Increasing heat exchanger performance usually means transferring more duty. This computer base training for the htfs is divided into the following sessions. Shell and tube heat exchanger step by step calculations to. A tube and shell type heat exchanger providing multipass contraflow of two heat exchange fluids includes a cylindrical outer shell, a modular baffle assembly guiding a shell fluid, a plurality of multiwall tube sets and a pair of opposed end assemblies. Fluid flow simulation for a shell and tube style exchanger. Selection of heat exchanger tema layout and number of passes. A shellandtube heat exchanger is a type of heat exchanger that consists of a cylinder. You may need to pay at some moment to continue using product or to use all functionalities. Shell and tube heat exchangers are widely used and very popular in the process industry, due to their versatility. The shell and tube heat exchanger another part of this experiment involves measurements using a commercially available shell and tube heat exchanger. Turbulent flow through a shellandtube heat exchanger.
All these heat exchangers can be operated in both parallel and. Shell and tube heat exchangers basic calculations pdh online. In process calculations, the main objectives of heat exchanger calculations are. General heat exchanger design introduction overview of the design of shell and tube type heat exchangers thermal design process determination of heat exchanger size, arrangement, and configuration condensers theory and design of condenser applications. In parallelflow heat exchangers, the two fluids enter the exchanger at the same. Performance tables for shell and tube heat exchanger c r 1.
This type of heat exchangers consists of metal tubes passing through another metal enclosure, which is referred to as the shell. 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. The tube side fluid will typically have one pass, two passes, or four passes through the heat exchanger before exiting. In this chapter we will examine the basic theory of heat exchangers and consider many applications. The thermal stress problem is eliminated because each tube is free to. The actual developer of the program is webbusterz engineering software. The cooling medium flows through the tubes that, in this model, impose a constant temperature at the walls. When designing or choosing a heat exchanger there is no single correct solution. This is due to the larger area the plates provide over tubes. It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higherpressure applications. They split all heat exchanger designs into three main parts. The optimum heat transfer rate takes place in a balanced counter flow heat exchanger and by using this optimum rate of heat transfer, the concept of heat exchanger efficiency is introduced as the. Shell and tube heat exchanger, 2pass shell side, 2pass tube side 22 countercurrent there are three primary classifications of heat exchangers according to their flow arrangement. Htfs presentation 2 heat exchanger heat exchanger heat.
Chapter 5 heat exchangers faculty of engineering and. The heat exchanger model includes a helical tube, a shell and baffles where the latter are of a cone shaped and distributed in the center and in the shell side. Che245 lab report solteq concentric tube heat exchanger unit he. The locations of the nozzles and the orientation of the. A shell and tube heat exchanger is a class of heat exchanger. Sep 11, 2018 in shell and tube heat exchanger, shell is the container for the shell fluid and the tube bundle is placed inside the shell and shell diameter should be selected in such a way to give a close fit. Troubleshooting shellandtube heat exchangers use these techniques and guidelines to ensure more reliable heat transfer d. Shell and tube heat exchanger types yes yen graphitech. The analysis is extended using the above kern method with different fluid combinations. 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. Supportstube ubend type bypassseal tubetubesheetjoint exp. Be it any configuration, the design of these heat exchangers is such that one fluid passes through the shell and is called shell side fluid, while other fluid passes through the tubes and is called the tube side fluid. 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.
I am interested in a 3d tubeshell heat exchanger analysis. We look at some of the major components of the heat exchanger and its working principle. Unit operations lab heat exchanger 11 heat exchanger heat exchange is an important unit operation that contributes to efficiency and safety of many processes. This site is like a library, use search box in the widget to get ebook. Shell and tube heat exchangers are very commonly used as preferred heat transfer equipment in the process industry. Common types of shell and tube heat exchangers are the utube heat exchanger and the straight tube heat exchanger.
For air free condensing steam, the heat transfer coefficient may be given. Plate type heat exchangers are not widely used because of the inability to reliably seal the large gaskets between each of the plates. It is the most common type of heat exchanger in oil refineries and other large chemical processes. Pdhonline course m371 2 pdh shell and tube heat exchangers. Gulley, gulley computer associates, tulsa, oklahoma.
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