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T O P I C : - C L A S S I F I C A T I O N O F H E A T E X C H A N G E R
S U B J E C T : - H E A T T R A N S F E R ( 2 1 5 ...
CONTENT
 what is heat exchanger?
 classification of heat exchanger.
 direct contact heat exchanger
 regenerative heat ...
WHAT IS
HEAT
EXCHANGER?
A heat exchanger is a device
used to transfer heat between
one or more fluids. The fluids
may be s...
CLASSIFICATI
ON OF HEAT
EXCHANGER.
1. Nature of heat
exchange process:
2. Relative direction of
motion of fluids:
3. Mecha...
DIRECT
CONTACT HEAT
EXCHANGER
This is done by
complete
physical mixing
of heat and
mass transfer.
Examples are
water cooli...
Regenerative
heat exchanger
A regenerative heat
exchanger, or more
commonly
a regenerator, is a
type of heat exchanger
whe...
RECUPERATIVE
TYPE HEAT
EXCHANGER
recuperate is a special
purpose counter-
flow energy
recovery heat
exchanger positioned
w...
PARALLEL FLOW
TYPE HEAT
ECHANGER
These exchangers are
composed of many thin,
slightly separated plates
that have very larg...
COUNTER FLOW
TYPE HEAT
EXCHANGER
Counter heat current
exchange: Note the
gradually declining
differential and that the
onc...
SHELL AND
TUBE TYPE HEA
T EXCHANGER
As its name implies,
this type of heat
exchanger consists
of a shell (a large
pressure...
EVOPARATOR
An evaporator is a
device used to turn the
liquid form of a
chemical into its
gaseous form. The
liquid is evapo...
CONDENSER
In systems involving
heat transfer,
a condenser is a
device or unit used to
condense a substance
from its gaseou...
REFERENCE
 https://en.wikipedia.org/wiki/Heat_exchanger
 http://pimg.tradeindia.com/00198810/b/0/Heat-
Exchanger.jpg
 h...
REFERENCE
 https://media.licdn.com/mpr/mpr/AAEAAQAAAAAAA
AgXAAAAJGM3ODFkMzljLWJlMDYtNDIxYi04ZjQ5LW
EyYmQ0M2JmN2YzMg.jpg
...
REFERENCE
 https://en.wikipedia.org/wiki/Evaporator4
Classification of heat exchanger
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Classification of heat exchanger

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Classification of heat exchanger

  1. 1. T O P I C : - C L A S S I F I C A T I O N O F H E A T E X C H A N G E R S U B J E C T : - H E A T T R A N S F E R ( 2 1 5 1 9 0 9 ) 1 5 0 1 8 3 1 1 9 0 1 0 - S O N U S G U P T A 1 5 0 1 8 3 1 1 9 0 1 2 - D I G V I J A Y J A D A V 1 5 0 1 8 3 1 1 9 0 1 3 - P R A D E E P J A D A V 1 5 0 1 8 3 1 1 9 0 2 8 - V I V E K S H A H 1 5 0 1 8 3 1 1 9 0 4 2 - D E E P A K Y A D A V M E C H A N I C A L 5 S E M B B A T C H GOVERNMENT ENGONEERING COLLEGE DAHOD
  2. 2. CONTENT  what is heat exchanger?  classification of heat exchanger.  direct contact heat exchanger  regenerative heat exchanger  recuperative type heat exchanger  parallel flow type heat exchanger  counter flow type heat exchanger  shell and tube type heat exchanger  Evaporator  condenser
  3. 3. WHAT IS HEAT EXCHANGER? A heat exchanger is a device used to transfer heat between one or more fluids. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries, natural-gas processing, and sewage treatment. 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.
  4. 4. CLASSIFICATI ON OF HEAT EXCHANGER. 1. Nature of heat exchange process: 2. Relative direction of motion of fluids: 3. Mechanical design of heat exchanger surface: • Concentric tubes • Shell and tube Multiple shell and tube passes 4. Physical state of heat exchanging: Condenser Evaporator
  5. 5. DIRECT CONTACT HEAT EXCHANGER This is done by complete physical mixing of heat and mass transfer. Examples are water cooling towers and jet condensers in steam power plants.
  6. 6. Regenerative heat exchanger A regenerative heat exchanger, or more commonly a regenerator, is a type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid. To accomplish this the hot fluid is brought into contact with the heat storage medium, then the fluid is displaced with the cold fluid, which absorbs the head
  7. 7. RECUPERATIVE TYPE HEAT EXCHANGER recuperate is a special purpose counter- flow energy recovery heat exchanger positioned within the supply and exhaust air streams of an air handling system, or in the exhaust gases of an industrial process, in order to recover the waste heat. The image, right, shows the three major configurations
  8. 8. PARALLEL FLOW TYPE HEAT ECHANGER These exchangers are composed of many thin, slightly separated plates that have very large surface areas and small fluid flow passages for heat transfer. ... Another difference between the two is that plate exchangers typically serve low to medium pressure fluids, compared to medium and high pressures of shell and tube
  9. 9. COUNTER FLOW TYPE HEAT EXCHANGER Counter heat current exchange: Note the gradually declining differential and that the once hot and cold streams exit at the reversed temperature difference; the hotter entering stream becomes the exiting cooler stream and vice versa. Counter current exchange is a mechanism occurring in nature and mimicked in industry and .... A concurrent heat exchanger is an example of a concurrent flow exchange ...
  10. 10. SHELL AND TUBE TYPE HEA T 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. One fluid runs through the tubes, and another fluid flows over the tubes (through the shell) to transfer heat between the two fluid
  11. 11. EVOPARATOR An evaporator is a device used to turn the liquid form of a chemical into its gaseous form. The liquid is evaporated, or vaporized, into a gas.
  12. 12. CONDENSER In systems involving heat transfer, a condenser is a device or unit used to condense a substance from its gaseous to its liquid state, by cooling it.
  13. 13. REFERENCE  https://en.wikipedia.org/wiki/Heat_exchanger  http://pimg.tradeindia.com/00198810/b/0/Heat- Exchanger.jpg  http://www.thermopedia.com/content/5254/548HEFig 5.gif  http://me-mechanicalengineering.com/heat- exchangers-classification/  http://naturalgasefficiency.org/files/2016/01/WaterHtr SOFAME.jpg  https://en.wikipedia.org/wiki/Regenerative_heat_excha nger
  14. 14. REFERENCE  https://media.licdn.com/mpr/mpr/AAEAAQAAAAAAA AgXAAAAJGM3ODFkMzljLWJlMDYtNDIxYi04ZjQ5LW EyYmQ0M2JmN2YzMg.jpg  https://en.wikipedia.org/wiki/Recuperator  https://en.wikipedia.org/wiki/Shell_and_tube_heat_ex changer  https://www.google.co.in/search?newwindow=1&safe=a ctive&q=SHELL+AND+TUBE+TYPE+HEA+T+EXCHA NGER+WIKI&oq=SHELL+AND+TUBE+TYPE+HEA+T +EXCHANGER+WIKI&gs_l=serp.3...2306.3907.0.4953. 5.5.0.0.0.0.0.0..0.0....0...1c.1.64.serp..5.0.0.uysk9Kb_5u c
  15. 15. REFERENCE  https://en.wikipedia.org/wiki/Evaporator4

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