The theories of transient heat transfer in doublepipe heat exchangers were explained and followed by literature correlations. A shell and tube heat exchanger is a class of heat exchanger designs. Pdf engineering laboratory manual for engr3930uheat. Download as doc, pdf, txt or read online from scribd. Pdhonline course m371 2 pdh shell and tube heat exchangers. The exchangers exhibit more than 65% of the market share with a variety of design experiences of about 100 years. Shellandtube heat exchanger design clarkson university. The experiment is carried out on shell and tube heat exchanger and nanofluid used is iron oxide.
Most shellandtube heat exchangers have multiple passes to enhance the heat transfer. The approximate dimensions as well as positions of inlets and outlets are shown in fig. It is a large tube shell which surrounds several smaller tubes a bundle. 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.
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. Shellandtube heat exchangers are commonly used in oil refineries and other largescale. 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. Heat exchanger service module thermodynamics tecquipment. A procedure for use of the equipment and the software was outlined. 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.
The purpose of this experiment was to evaluate an unconventional shell and tube waterwater heat exchanger under various operating conditions. Experiments have shown that laminar flow exists when. Design and development of shell and tube heat exchanger. 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. So to facilitate the basic comprehension of the terms used for shell and tube heat exchangers calculations it is very important to remember some. Temperature control of shell and tube heat exchanger by. A heattransfer laboratory experiment with shellandtube. Selection of heat exchanger tema layout and number of passes. 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. Selection of heat transfer models and fouling coefficients for shell side and tube side.
As its name implies, this type of heat exchanger consists of a shell a large vessel with a bundle of tubes inside it. An experimental investigation on comparative heat transfer study on. Heat transfer theory the natural laws of physics always. Pdf computational fluid dynamics analysis of shell and. Note that the observations from experiment no 2 may be used for the. The temperature control experiment is conducted in the actual shell and tube heat exchanger system. It can be fabricated from a wide range of materials both metallic and nonmetallic.
A shell and tube heat exchanger is a class of heat exchanger. This heat exchanger is one of the most common type used in industry. A lot has been written about designing heat exchangers, and specifically, shellandtube heat exchangers. Fits onto the bench top heat exchanger service module. 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. Pdf design and fabrication of shell and tube heat exchanger. A basic schematic for a single pass shell and tube heat exchanger is shown in figure 1. The results suggest that neither the settling time nor control accuracy is satisfied enough when conventional pid. An experimental investigation on comparative heat transfer study on a solvent and solution were. How shell and tube heat exchangers work engineering duration. One fluid passes through the shell, and the other fluid passes through the tube bundle, therefore transferring heat. Tubeside pressure drop data for a single 14 heat exchanger was collected for flow rates between 1665. Shellandtube heat exchangers were the focal point of this experiment, and were examined to evaluate the properties of pressure drop and heat transfer. Fbsthx were developed based on the experiment results.
Shellandtube heat exchangers are among the common types of heat exchangers. A procedures manual was created for the doublepipe heat exchanger. Heat exchanger lab report university of pennsylvania. Solving a traditional shell and tube heat exchanger problem. Setting shell side and tube side pressure drop design limits.
The two most common heat exchanger design problems are those of rating and sizing. In the experiment iron oxide nanofluid is used by mixed it with base fluid i. Takes up much less space than a traditional shellandtube heat exchanger. Pdf experimental investigation on shell and tube heat exchanger. Heat transfer enhancement in shell and tube heat exchanger by. The optimum thermal design of a shell and tube heat exchanger involves the consideration of many interact.
May 03, 2019 shellandtube type heat exchanger having a 0, b 30, and c 60 baffle angles. Pdf a shellandtube heat exchanger with new type of baffles, is designed. As you can see, in a 12 heat exchanger, the tube side fluid flows the entire length of the. Department of chemical and biomolecular engineering. The product flows in several straight inner tubes while a heatcarrying medium flows around it in a shell.
Nonasme work noncode shell and tube heat exchangers. Doublepipe or 11 shellandtube heat exchangers faith a. Performance analysis of shell and tube heat exchanger. Specification of tube parameters size, layout, pitch. Pdf performance analysis of shell and tube heat exchanger. Alfa laval heat exchangers 3 thin material for the heat transfer surface. Process fluid assignments to shell side or tube side. The fluids can be liquids or gases, one of which flows inside the. Pdf heat exchanger lab experiment chemical engineering. 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. Cpe533 shell and tube heat exchanger full lab report scribd. A laboratory experiment for demonstrating heat transfer in a shellandtube condenser has been described. Heat exchanger demonstration lab double pipe he shell. Shell and tube heat exchanger considers one of the most common types of exchangers widely used in the industrial processes.
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. 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. Chapter 5 heat exchangers faculty of engineering and. Performance analysis of shell and tube heat exchanger using miscible system 1m. The stream to be cooled enters the tube side and is distributed amongst the tubes shown with red arrows. The target outlet temperature of heat exchanger is 60. The mechanical design of a shell and tube heat exchanger provides information on items such as shell thickness, flange thickness, etc. 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. Heat exchangers 73 individual thermal resistances of the system. Shell and tube heat exchangers basic calculations instructor. Heat exchanger lab report heat exchanger heat transfer scribd. Connect and circulate the hot fluid in the shell side over small tubes and the cooling water in the tube side inside small tubes. Heat exchangers jordan university of science and technology.
In this lab we are going to demonstrate the working principles of a concentric tube heat exchanger. Pdf a heat exchanger is a equipment used for transferring heat from one medium to another. 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. The locations of the nozzles and the orientation of the. Overall heat transfer coefficient for shell and tube heat.
Heat transfers between these tubes together and with the shell side through tube walls. Shell and tube heat exchangers are commonly used in oil refineries and other large chemical processes. C and figure 7 shows the response of heat exchanger. It is important to conduct this experiment since heat exchangers are used by most.
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. 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. Shell and tube heat exchanger a shell and tube heat exchanger is a class of heat exchanger. Operator must remain with this experiment while it is in operation. 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.
K ands 3e r s y department of chemical engineering, coimbatore institute of technology, coimbatore641 014 abstract. As its name implies, this type of heat exchanger consists of a shell a large pressure vessel with a bundle of tubes inside it. As its name implies, this type of heat exchanger consists of a shell a large vessel with a. Design pressures range from full vacuum to 6,000 psi. They consist of a shell with traditional plain tubes or enhanced surface tubes for high thermal performance.
Tube side pressure drop data for a single 14 heat exchanger was collected for flow rates between 1665. Most shell and tube heat exchangers have multiple passes to enhance the heat transfer. Our shell and tube heat exchangers are used in many comfort and industry applications for heating and cooling fluids. Design and development of shell and tube heat exchanger for harar brewery company. This exchanger consists of a vessel with different sizes contains a number of tubes inside. Shell and tube heat exchangers construction details. Siue me 410l shell and tube heat exchanger experiment. Shell and tube heat exchangers basic calculations pdh online.
The theory behind heat transfer plate heat exchangers. The following degrees of freedom can be varied in this experiment. Download as docx, pdf, txt or read online from scribd. A lot has been written about designing heat exchangers, and specifically, shell and tube heat exchangers.
Experiment that illustrates how a simple concentric shell and tube heat exchanger works. 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. Selection of heat exchanger tema layout and number of. For example, the book by kern 1 published in 1950 details basic design procedures. Experiment that illustrates how a jacketed vessel heat exchanger works and how stirring affects heat transfer. Heat transfer enhancement in shell and tube heat exchanger. Theory and application two fluids, of different starting. Experiment regarding heat exchanger concurrentcountercurrent flows at same rate and different rates. 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. Here is an example of a 12 1 shell pass and 2 tube passes heat exchanger. Inside the shell, baffles are typically installed which help in holding the tubes and directing the shell fluid flow to some extent. Combining each of these resistances in series gives.
The shell and tube heat exchanger another part of this experiment involves measurements using a commercially available shell and tube heat exchanger. 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. E1mnl032a design and rating of shell and tube heat. 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. Pdf computational fluid dynamics analysis of shell and tube. It is effective in helping undergraduate students in understanding the concepts and applications of heat transfer by convection and condensation. Sanaye et al, optimized the shell and tube heat exchangers to obtain the maximum effectiveness. 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.
The result of heat transfer experiment show that the shellside heat transfer coefficient of the improved heat exchanger increased by 18. Performance analysis of shell and tube heat exchanger using. This tubular heat exchangers is especially designed for products containing particles of approximately 18 mm diameter. In this experiment, we focused on the shell and tube heat exchanger.
Generally it offers the best solution to thermal problems, giving the widest pressure and temperature limits within the constraint of current equipment. Second one has nothing to do with anything else presented up to this point. Qualitative dependence of the fluid temperature on position inside a singlepass heat exchanger is shown in fig. Doc report heat exchanger ridzuwan rahimi academia. 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. Then the experiment is repeated with cocurrent shell and tube heat exchanger which is parallel flow of hot and cold water. It is the most common type of heat exchanger in oil refineries and other large chemical processes. Pdf experimental investigation of shellandtube heat exchanger.
This is because it is compact, but can work at higher pressures than other designs. The shell and tube heat exchanger is by far the most common type of heat exchanger used in industry. Design and fabrication of shell and tube heat exchanger. 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. This experiment was conducted to evaluate and study the performance. The system being modeled is a simple shell and tube heat exchanger figure 1. A basic schematic for a single pass shellandtube heat exchanger is shown in figure 1. Capabilities of the shell and tube heat exchanger h101c.