An experimental investigation on comparative heat transfer study on. Pdf performance analysis of shell and tube heat exchanger. Heat transfer enhancement in shell and tube heat exchanger. Department of chemical and biomolecular engineering. For example, the book by kern 1 published in 1950 details basic design procedures. This exchanger consists of a vessel with different sizes contains a number of tubes inside.
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. 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. Experiment that illustrates how a simple concentric shell and tube heat exchanger works. Specification of tube parameters size, layout, pitch. Doc report heat exchanger ridzuwan rahimi academia. It can be fabricated from a wide range of materials both metallic and nonmetallic. Temperature control of shell and tube heat exchanger by. Capabilities of the shell and tube heat exchanger h101c. In the experiment iron oxide nanofluid is used by mixed it with base fluid i. The shell and tube heat exchanger another part of this experiment involves measurements using a commercially available shell and tube heat exchanger. The system being modeled is a simple shell and tube heat exchanger figure 1. Experiment regarding heat exchanger concurrentcountercurrent flows at same rate and different rates.
The approximate dimensions as well as positions of inlets and outlets are shown in fig. Heat exchangers jordan university of science and technology. Pdf heat exchanger lab experiment chemical engineering. Solving a traditional shell and tube heat exchanger problem. The novelty of this work is to formulate a global energy balance in a shell and tube heat exchanger and to study the heat losses 14. A basic schematic for a single pass shell and tube heat exchanger is shown in figure 1. Diagram of a shell and tube counterflow heat exchanger shell tube fluid in shell fluid in tube it is important to note fluid flow in the tube occurs in the opposite direction of the fluid flow in the shell. Heat exchanger lab report heat exchanger heat transfer scribd. A procedures manual was created for the doublepipe heat exchanger.
A shell and tube heat exchanger is a class of heat exchanger designs. Selection of heat transfer models and fouling coefficients for shell side and tube side. Qualitative dependence of the fluid temperature on position inside a singlepass heat exchanger is shown in fig. Fits onto the bench top heat exchanger service module. Shell and tube heat exchangers are among the common types of heat exchangers.
They are tube inside liquid media film coefficient, shell side heating media film coefficient and metal wall resistance heat transfer is the science which deals with the rates of exchanges of heat between hot. A procedure for use of the equipment and the software was outlined. An experimental investigation on comparative heat transfer study on a solvent and solution were. Performance analysis of shell and tube heat exchanger using miscible system 1m. It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higherpressure applications. A shell and tube heat exchanger runs a cold fluid through the tubes of the apparatus and a hotter liquid through the shell side of the apparatus. The exchangers exhibit more than 65% of the market share with a variety of design experiences of about 100 years. Pdf experimental investigation of shellandtube heat exchanger. This heat exchanger is one of the most common type used in industry. Tube side pressure drop data for a single 14 heat exchanger was collected for flow rates between 1665. Using aspen hysys and aspen edr for ratingchecking heat. Shell and tube heat exchangers basic calculations pdh online. Doublepipe or 11 shellandtube heat exchangers faith a.
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. 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. Pdf computational fluid dynamics analysis of shell and. The shell and tube heat exchanger is by far the most common type of heat exchanger used in industry. A heattransfer laboratory experiment with shellandtube. The theories of transient heat transfer in doublepipe heat exchangers were explained and followed by literature correlations. Design and fabrication of shell and tube heat exchanger. Shellandtube heat exchangers are commonly used in oil refineries and other largescale.
Combining each of these resistances in series gives. How shell and tube heat exchangers work engineering duration. 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. It is important to conduct this experiment since heat exchangers are used by most. Performance analysis of shell and tube heat exchanger using. The product flows in several straight inner tubes while a heatcarrying medium flows around it in a shell. Alfa laval heat exchangers 3 thin material for the heat transfer surface. Cpe533 shell and tube heat exchanger full lab report scribd.
Sanaye et al, optimized the shell and tube heat exchangers to obtain the maximum effectiveness. Shellandtube heat exchangers were the focal point of this experiment, and were examined to evaluate the properties of pressure drop and heat transfer. In this lab we are going to demonstrate the working principles of a concentric tube heat exchanger. Heat exchanger service module thermodynamics tecquipment. Second one has nothing to do with anything else presented up to this point. Shellandtube heat exchanger design clarkson university. This tubular heat exchangers is especially designed for products containing particles of approximately 18 mm diameter. 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. Experiments have shown that laminar flow exists when.
Since all heat exchangers considered in this experiment have a single pass for both the hot and cold fluids, the discussion below is limited to singlepass heat exchangers. This is because it is compact, but can work at higher pressures than other designs. Shell and tube heat exchangers construction details. Operator must remain with this experiment while it is in operation. 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. Heat transfer enhancement in shell and tube heat exchanger by. E1mnl032a design and rating of shell and tube heat.
Pdf computational fluid dynamics analysis of shell and tube. Pdf in this paper, the shell and tube heat exchanger is considered in which hot water is flowing inside one tube and cold water runs over that tube find, read and cite all the research you. The target outlet temperature of heat exchanger is 60. Shell and tube heat exchangers were the focal point of this experiment, and were examined to evaluate the properties of pressure drop and heat transfer. Shell and tube heat exchanger free download as powerpoint presentation. Setting shell side and tube side pressure drop design limits. Our shell and tube heat exchangers are used in many comfort and industry applications for heating and cooling fluids.
The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interact. 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. Heat exchanger lab report university of pennsylvania. The result of heat transfer experiment show that the shellside heat transfer coefficient of the improved heat exchanger increased by 18. They consist of a shell with traditional plain tubes or enhanced surface tubes for high thermal performance. The stream to be cooled enters the tube side and is distributed amongst the tubes shown with red arrows. Performance analysis of shell and tube heat exchanger. Feb 16, 2015 a shell and tube heat exchanger runs a cold fluid through the tubes of the apparatus and a hotter liquid through the shell side of the apparatus. A basic schematic for a single pass shellandtube heat exchanger is shown in figure 1.
The two most common heat exchanger design problems are those of rating and sizing. Operate the shell and tube heat exchanger at approximately 75% for sufficient heat transfer and economic efficiency experiment recommendations monitor pressure gauge pg07 at low steam rates to prevent a vacuum the first one is good. Heat transfer theory the natural laws of physics always. It is effective in helping undergraduate students in understanding the concepts and applications of heat transfer by convection and condensation. The knowledge of the principles of heat transfer within the heat exchanger are needed in order to design andor evaluate the performance of a heat exchanger. The most notable advantages of a plate heat exchanger are. The results suggest that neither the settling time nor control accuracy is satisfied enough when conventional pid. The locations of the nozzles and the orientation of the. This experiment was conducted to evaluate and study the performance. Shell and tube heat exchanger considers one of the most common types of exchangers widely used in the industrial processes. Experiment that illustrates how a jacketed vessel heat exchanger works and how stirring affects heat transfer. Then the experiment is repeated with cocurrent shell and tube heat exchanger which is parallel flow of hot and cold water. Theory and application two fluids, of different starting. The following degrees of freedom can be varied in this experiment.
As its name implies, this type of heat exchanger consists of a shell a large vessel with a bundle of tubes inside it. Shell and tube heat exchangers are commonly used in oil refineries and other large chemical processes. It is a large tube shell which surrounds several smaller tubes a bundle. K ands 3e r s y department of chemical engineering, coimbatore institute of technology, coimbatore641 014 abstract. Overall heat transfer coefficient for shell and tube heat. Heat exchanger demonstration lab double pipe he shell. The fluids can be liquids or gases, one of which flows inside the. Pdf experimental investigation on shell and tube heat exchanger. Connect and circulate the hot fluid in the shell side over small tubes and the cooling water in the tube side inside small tubes. Experiment 12 shell and tube heat exchanger aim of this experiment the shell and tube exchanger is a simple model that demonstrates the basic principles of heat transfer consists of a number of tubes in parallel enclosed in a cylindrical shell.
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 can obtain the different results. Most shell and tube heat exchangers have multiple passes to enhance the heat transfer. Design and development of shell and tube heat exchanger. Heat transfers between these tubes together and with the shell side through tube walls. Process fluid assignments to shell side or tube side. Generally it offers the best solution to thermal problems, giving the widest pressure and temperature limits within the constraint of current equipment. Fundamental concepts of overall heat transfer coefficient ohtc in shell and tube type heat exchanges overall heat transfer coefficient ohtc is product of the three factors mainly. More specifically, this lab sought to investigate how the overall heat transfer between tubeside and shellside water streams changes with increasing turbulent fluid flow rates increasing reynolds number.
Most shellandtube heat exchangers have multiple passes to enhance the heat transfer. Pdf a shellandtube heat exchanger with new type of baffles, is designed. A lot has been written about designing heat exchangers, and specifically, shellandtube heat exchangers. Nonasme work noncode shell and tube heat exchangers. Shell and tube heat exchangers basic calculations instructor. Heat exchangers 73 individual thermal resistances of the system.
A shell and tube heat exchanger is a class of heat exchanger. Pdf a heat exchanger is a equipment used for transferring heat from one medium to another. The experiment is carried out on shell and tube heat exchanger and nanofluid used is iron oxide. May 03, 2019 shellandtube type heat exchanger having a 0, b 30, and c 60 baffle angles. Tubeside pressure drop data for a single 14 heat exchanger was collected for flow rates between 1665. So to facilitate the basic comprehension of the terms used for shell and tube heat exchangers calculations it is very important to remember some. As its name implies, this type of heat exchanger consists of a shell a large vessel with a.
Download as docx, pdf, txt or read online from scribd. In this experiment, we focused on the shell and tube heat exchanger. Takes up much less space than a traditional shellandtube heat exchanger. Shellandtube heat exchangers are among the common types of heat exchangers. A laboratory experiment for demonstrating heat transfer in a shellandtube condenser has been described. The theory behind heat transfer plate heat exchangers. Selection of heat exchanger tema layout and number of. Download as doc, pdf, txt or read online from scribd. Siue me 410l shell and tube heat exchanger experiment. The temperature control experiment is conducted in the actual shell and tube heat exchanger system. The mechanical design of a shell and tube heat exchanger provides information on items such as shell thickness, flange thickness, etc. Pdf design and fabrication 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.
Chapter 5 heat exchangers faculty of engineering and. A lot has been written about designing heat exchangers, and specifically, shell and tube heat exchangers. As you can see, in a 12 heat exchanger, the tube side fluid flows the entire length of the. C and figure 7 shows the response of heat exchanger.
The heat exchanger being used in this experiment is a hampden model h685040 shell and tube heat exchanger which contains 112 copper tubes along with 3 equally spaced baffles in the shell. Here is an example of a 12 1 shell pass and 2 tube passes heat exchanger. Shell and tube heat exchanger a shell and tube heat exchanger is a class of heat exchanger. The purpose of this experiment was to evaluate an unconventional shell and tube waterwater heat exchanger under various operating conditions. Note that the observations from experiment no 2 may be used for the. Fbsthx were developed based on the experiment results. Inside the shell, baffles are typically installed which help in holding the tubes and directing the shell fluid flow to some extent. Design pressures range from full vacuum to 6,000 psi. Pdf the objective of paper is to conduct experiment and evaluate the performance of shell and tube heat exchangers with two baffles as. Pdf engineering laboratory manual for engr3930uheat. The knowledge of the principles of heat transfer within the heat exchanger are needed in order to design and or evaluate the performance of a heat exchanger. Selection of heat exchanger tema layout and number of passes.
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