A followup arti cle on advanced topics in shellandtube heat exchanger design, such as allocation of shellside and tubeside fluids, use of multiple shells. At the end of the course, participants will be able to design. 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. Comparison of different calculation models shows that the deviations in the calculated overall heat transfer coefficients are small. In designing the heat exchanger, i put superheated steam 200c saturated steam 100c to heat water from 25c to 60c. Pdf design of shell and tube heat exchanger with double passes. The following steps are adopted for the calculation of parameters of shell and tube heat exchanger 1. Types of heat exchangers shell and tube, plate type. The log mean temperature difference to the shell and tube are computed using equations 6. The shell side fluid flows on the outside of the tubes and is. Shell and tube heat exchangers page 4 of 30 mnl 032a issued 29 august 08, prepared by j.
Durgesh bhatt, priyanka m javhar conducted a shell and tube heat exchanger performance analysis it is observed that by changing the value of one variable the by keeping the rest variable as constant we. Plate heat exchanger, how it works working principle hvac industrial engineering phx heat transfer duration. The area is calculated based on specifications of the dimensions of process streams contact area. Bahirdar university institute of thechnology smie thermal page iii design of shell and tube heat exchanger nomenclature.
Shell and tube heat exchanger design software for thermal. The use of this software will bridge the gap between engineering practice and teaching of shell and tube heat exchanger. Therein, popular analytical techniques such as log mean temperature difference lmtd and effectivenessnumber of. Principles of finnedtube heat exchanger design for enhanced heat transfer 2nd edition by. Calculation of the total number of tubes required and the tubeside velocity. Most shellandtube heat exchangers have multiple passes to enhance the heat transfer. Effectively design shellandtube heat exchangers torr. We offer a comprehensive catalog of shell and tube heat.
Shell and tube heat exchanger efficient oil cooling with fin design. Combining each of these resistances in series gives. Unit operations lab heat exchanger 11 heat exchanger heat exchange is an important unit operation that contributes to efficiency and safety of many processes. Steam is put in shell side and cool water in tube side. Thermal design of a shell and tube heat exchanger typically includes the determination of heat transfer area, number of tubes, tube length and diameter, tube. Due to the high heat transfer efficiency of the plates, plate type heat. Would like to know your opinion on how the shell inner diameter would affect the cost of heat exchanger. Heat exchangers 73 individual thermal resistances of the system.
The optimum thermal design of a shell and tube heat exchanger involves the consideration of many. 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. Pdf design of shell and tube heat exchanger single. Setting shell side and tube side pressure drop design limits. In addition to affecting flow, the geometry of the exchanger is necessary to calculate the heat transfer area. E1mnl032a design and rating of shell and tube heat. Our heat exchangers are available as catalog products or designed per your special request. Heat exchangers jordan university of science and technology. Moreover if you could provide a link to the softcopy of the. Shellandtube heat exchangers can go up to a maximum value of theta 1 while plate heat exchangers goes up to theta. For example, in a shell and tube exchanger, the pipe diameter and length are used for this purpose. Shell and tube heat exchanger design is a product developed by webbusterz engineering software.
Finally, it is shown how to calculate the pressure losses at the tube and. The outlet temperatures of shell and tube heat exchanger are computed by equations 4 and 5 2. Shell and tube heat exchangers basic calculations pdh online. Selection of heat exchanger tema layout and number of passes. Design and fabrication of shell and tube heat exchanger. 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.
Download the excel spreadsheet templates in this article to make preliminary heat exchanger design calculations. The twopart table reproduced below can be used for determining tube counts in the design. We use solidworks to create heat exchanger drawings unless a 2d drawing in autocad is required. Shell and tube heat exchanger design free download for. How can i calculate shell diameter of a shell and tube. Mechanisms of heat transfer university of oklahoma. This is because it is compact, but can work at higher pressures than other designs. Selection of heat transfer models and fouling coefficients for shell side and tube side. The thermal design of heat exchangers is directed to calculate. This is due to the larger area the plates provide over tubes. The tube side media flows inside the tubes and is diverted by the heat exchanger head located on the end into two or four passes or circuits. Pdf the exchange of heat is one of the most important processes in the chemical industry. This heat exchanger is one of the most common type used in industry.
The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interacting design parameters which can be summarised as. Pdf design of shell and tube heat exchanger single phase. This site is not directly affiliated with webbusterz engineering software. Exergys extensive engineering expertise, unique designs and manufacturing techniques allow us to provide the most compact heat exchangers.
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