Heat transfer the heat exchanger should be capable of transferring heat at the specified rate in order to achieve the desired temperature change of the fluid at the specified mass flow rate size and weight normally the smaller and lighter heat exchanger is the better one. Heat transfer equipment powerpoint free download as powerpoint presentation. Heat exchanger seminar ppt with pdf report heat exchangers are found widely scattered throughout the food process industry. An easytounderstand introduction to how a heat exchanger passes heat energy from one fluid liquid or gas to another. They are also frequently found in other applications on board, such as tapwater production systems and hvac systems. Project ppt of heat exchanger free download as powerpoint presentation. Introduction to heat exchangers bengt sunden lund institute of technology.
You will practice using formula, table lookup and pi point data references to calculate the heat transfer coefficient of the heat exchanger. A plate heat exchanger, phe, is a compact heat exchanger where thin corrugated plates some 0. Heat exchanger effectiveness ntu method if more than one of the inlet and outlet temperature of the heat exchanger is unknown, lmtd may be obtained by trial and errors solution. A heat exchanger is an equipment where heat energy is transferred from a hot fluid to a colder fluid. Setting shell side and tube side pressure drop design limits. How heat can be transferred conduction convection radiation conduction transfer of heat through direct contact. Conduction, convection, and radiation introduction we have learned that heat is the energy that makes molecules move. Alternatively a swimming pool heat exchanger uses hot water from a boiler or solar heated water circuit to heat the pool water. Heat exchangers have lots of other familiar uses too. Heat exchanger design handbook pdf alzaytoonah university. Ppt heat exchangers powerpoint presentation free to. It is a device that is used to transfer thermal energy from one body or fluid stream to another.
Contents preface li acknowledgments liii author lv chapter1 heatexchangers. Do you want ready made ppt of mechanical engineering topic. Thermal analysis of shell and tube heat exchanger ppt. Heat exchanger heat exchanger caculation heat exchanger handbook spiral heat exchanger design of heat exchanger ppt api standard heat exchanger multiple pipe heat exchanger standar untuk heat exchanger heat exchanger problems and solutions pdf heat exchanger design handbook simulasi heat exchanger solid works plate type heat. Combining each of these resistances in series gives. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. For many decades plate heat exchangers have proved to be the perfect solution for various closedcircuit cooling systems at sea. Microsoft powerpoint compact heat exchangers for npps170.
Scribd is the worlds largest social reading and publishing site. A heat exchanger is a component that allows the transfer of heat from one fluid liquid or gas to another fluid. Put simply, a heat exchanger is a device which transfers heat from one medium to another, a hydraulic oil cooler or example will remove heat from hot oil by using cold water or air. A heat exchanger is a device used to transfer heat from one medium to another without violating the integrity of either medium. The patient is then heated or the blood heated toward the end of surgery. Create engaging presentations and impress your audience with your visual story. Peterson, capillary tube and shell heat exchanger design for helium to liquid salt heat transfer, report ucbth07003, u. The term heat exchanger applies to all equipment used to transfer heat between two streams. Heat exchangers jordan university of science and technology. A heat exchanger is a device that is used to transfer thermal energy enthalpy between two or more fluids, between a solid surface and. Presentation of the process and instrumentation diagram pid and a detailed cross. Design of heat exchangers4 constraints imposed on design of heat exchangers include the following. The plate heat exchanger consists of a series of thin, corrugated alloy plates, which are gasketed and compressed together inside a carbon steel frame. Heat exchangers are an enabling technology for efficient power generation with a closed, recuperated.
A heat exchanger is a piece of equipment built for efficient heat transfer from one medium to another. This heat exchanger tutorial is a guided exercise in creating a templatized heat exchanger including a downtime tracking event frame. Once compressed, the plate pack forms an arrangement of parallel flow channels. Heat exchanger is a device for transferring heat from one medium to another. If so, share your ppt presentation slides online with. Process fluid assignments to shell side or tube side. Kern developed a relationship applicable to any heat exchanger with an even number of passes and generated temperature correction factor plots. Heat exchangers study notes for mechanical engineering. However, mutlistream heat exchangers are sometimes used with energy extensive processes, such as lng processing, to reduce capital cost. Heat transfer equipment for designing of heat exchangers. R sekulib university of kentucky introduction a heat exchanger is a device that is used for transfer of thermal energy enthalpy between two or more fluids, between a solid surface and a fluid, or between solid particulates and a. D o l and u is the overall heat transfer coefficient. Acoustic noise control during operation flow turbulence control during operation pumping power requirements spatial dimensions requirements availability of materials and standards availability of know and how technology. Note that in a counterflow heat exchanger the outlet temperature of the cold fluid can exceed the outlet temperature of the hot fluid but this cannot happen in a parallel flow system.
E1mnl032a design and rating of shell and tube heat. Temperature profiles in a counterflow and b parallel flow single pass heat exchangers. Heat exchangers 73 individual thermal resistances of the system. Spiral heat exchangers spiral heat exchangers can be used in most applications in the chemical process industry in many difficult applications where fouling and plugging are problems, a standard shell and tube design may not be effective while a spiral heat exchanger often has a higher initial cost, it may provide a lower life. Convective heat transfer in a tube dittusboelter equation. This article shows you the basics of specifying and selecting shellandtube heat exchangers.
Chordia, in fundamentals and applications of supercritical carbon dioxide sco. Ht1 introduction to engineering heat transfer these notes provide an introduction to engineering heat transfer. Heat enchanger the equipment used to transfer a heat is known as heat exchanger. A heat exchanger involves two flowing fluids separated by a solid wall. A plate heat exchanger offers many advantages compared with conventional shellandtube exchangers. Another approach introduce the definition of heat exchanger effectiveness, which is a dimensionless with ranging between 0 to1. It is a device that is used to transfer thermal energy from one body or fluid stream to another heat exchanger seminar ppt with pdf report heat exchangers are found widely scattered throughout the food process industry. Heat exchanger ppt free download as powerpoint presentation. The two fluids hot and cold flow countercurrent to each other in alternate channels. The shell and tube heat exchanger is the most common style found in industry. Please note that all heat exchangers will eventually fail, even if they have been properly. So what exactly are heat exchangers and how do they work.
Heat exchanger design john richard thome 1er mars 2008 john richard thome ltcm sgm epfl heat transfer heat exchanger design 1er mars 2008 1 41. Heat exchanger design purdue school of engineering and. On standard heat exchangers, there is a 34 or 1 inch female npt drain coupling either on the bottom of the front cover or the bottom of. Molecules with more heat energy move faster, and molecules with less heat energy move slower. Heat exchanger seminar ppt with pdf report study mafia. A typical type of heat exchanger for blood is the double pipe heat exchanger, which consists of two concentric pipes with blood in one pipe and water in the other. The transfer of heat energy between the two fluids could be carried out. As long as the objects are in contact, transfer of heat will continue until the temperature of the objects is the same. Pdf on feb 8, 2020, phelelani eshmael mamba and others. We also learned that as molecules heat up and move faster, they spread apart and objects expand get bigger.
This is especially in the case of automotive and aerospace industries. Introduction, what is a heat exchanger, objectives, applications, principles, types of heat. Heat is transferred from the hot fluid to the wall by convection, through the wall by conduction and from the wall to the cold fluid by convection. Get inspiration for heat exchanger powerpoint templates. Typically, a heat exchanger is used with two process streams. Best powerpoint templates download your favorites today. You know your process best, and it is a bad idea to rely on the vendor always to make the right decisions. Engines in cars, ships, and planes use heat exchangers to work more efficiently, gas boilers use them to heat up hot water, and if you have a refrigerator or an airconditioner in your home, those are using heat exchangers too. In this present work, a shell and tube heat exchanger with a 1shell. Heat exchangers march 21, 2005 content instruction heat transfer and fluid flow heat exchangers heat exchangers and systems summary instruction heat transfer.
Heat exchanger powerpoint templates w heat exchanger. Two approaches to heat exchanger design that will be discussed are the lmtd method and the effec tiveness ntu method. A heat exchanger is a device employed to transfer thermal energy between a solid object and a fluid that powerpoint ppt presentation free to view. A free powerpoint ppt presentation displayed as a flash slide show on id. This portable document format \ pdf \ file contains bookmarks, thumbnails, and hyperlinks to help you navigate through the document. A piece of equipment built for efficient heat transfer from one medium to another. Tubular heater, multipass heater, twopass floating head heater. Occurs anytime objects at different temperatures are touching each other. Browse through our huge selection of community templates or smoothly transition your powerpoint into prezi.
Heat exchangers design and construction is the property of its rightful owner. Heat transfer processes set limits to the performance of aerospace components and systems and the subject is one of an enormous. In a few heat exchangers, the fluids exchanging heat are in direct. The correction factor f t for a 12 heat exchanger which has.
728 752 140 1216 508 1168 1310 46 281 1585 1149 1346 357 460 1479 1327 672 1030 921 1652 660 1486 317 157 1345 933 700 1078 342 476 796 640 724 1039 532 1343 909 305 180 808 47 56 471 1190 738 176 1285