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ANALYSIS OF MECHANICAL SEAL OF BFW PUMP
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Transcript
mechanical seal analysis
Table of contents
spring pressure vs leakage rate
- The allowable leakage rate is a compromise with the wear rate and life of seal.
- as shown in graph, as we try to reduce leakage rate, the temperature rises and life of seal decreases.
- as a result we have to concentrate on seal material, balance ratio, flush flow rate & seal design.
- Mechanical seal analysis
- Seal face generated heat
- Balance ratio
- Seal flush flow rate
- Primary solutions
- wavy face seals
- conclusion
Balance ratio
B= ((r_o^2-r_b^2 ))/((r_o^2-r_i^2 ) )
C.K PITHAWALLA COLLEGE OF ENGINEERING & TECHNOLOGY
Name of students:
Harsh patel -110090119116
Devprakash yadav-110090119112
Monik patel -11009011990
Chetan zaveri -11009011989
Guided by:jaychandra m. chaudhri
seal face generated heat
- in mechanical seal, the two relatively moving surfaces are the seal faces.if the seal faces operating dry, it would be a simple matter to determine the coefficient of friction.
- while the calculation of seal face generated heat.
F=A*P*K
where:
F=opening force
A=area of the seal face
P=differential pressure
k=pressure drop coefficient
ANALYSIS OF MECHANICAL SEAL OF BFW PUMP
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