Answer Posted / k r kumar ranjan
In modern Steam turbine(say 600 MW) we use lube oil which having a ISO VG 32 grade,That means oil's kinematic viscosity is 32 centistoke,which have the ability to form hydrodynamic layer or wedge or film which acts as lubricating layer between shaft and journal bearing Babbitt material.As we know viscosity X Film velocity/Unit load= C(Bearing Characteristics number) which indicates whether there will be hydrodynamic lubrication or not.So for this reason generally grade-32 or 46 grade oils used not 320.
| Is This Answer Correct ? | 10 Yes | 1 No |
Post New Answer View All Answers
what is natural frequency of turbine shaft .
By any way can we increase the B check hours from 300 to 500
dear sir i have completed one year post diploma certificate in thermal power engineering from national power training institute durgapur ...plz suggest me for power sector job
can dp type level transmitter work in under vaccum condition
what does mean by kva rating
How to calculate boiler capacity? I have 1 Autoclave, Which has to use for AAC block. Dimension for this Autoclave is - 13 Meter Length & 2.2 Meter Diameter.
what is the meaning of SST300 V56A in SIEMENS turbine
what's the moog valve
how to differentiate between "ALL fuel lost" and "All Fuel Lost" in Boiler MFT condition?
im try to calculating seawater flow required for SW-FGD system. I need a guide, equation or method to do it, can some one help me! Thanks very much
why is the in steam turbine axial displacement of active side thrust pad is positive and non active side thrust pad is negative.
our 125 kva DG does not start in AUTO mode works normally in MANUAL mode please give me a solution.....
Why superheated are started before I'd and rd fan?
what is the difference between compensated & normal drum level in boiler drum?
How do you consider that you can improve and what assistance do you need to achieve this