I am looking for a good book explaining the Centrifugal Compressors (Theory, calculations, operation, maintenance, etc).
i am not a designer however, in many occasions i need to calculate some important parameters such as shaft power, polytropic efficiency, discharge pressure,..
I need advice...
In our water injection facility; BB5 multistage pump is installed; every time only NDE mechanical seal fails. DE is okay. any specific reason?
this pump is equipped with 53B mechanical seal piping.
I am expecting some reverse pressure from pump discharge while pump is not running (may be the...
Reciprocating pump LEWA. diaphragm is sandwich type, means two PTFE diaphragms in between an intermediate fluid.
problem: Diaphragm rapture pressure transmitter alarm!
dismantled the pump, diaphragm found in good condition.
what could be the other reasons.
what is function of the intermediate...
Our GE Frame 5 gas turbine; the starting system consists of fixed speed induction motor with hydraulic torque converter (twin disc make/ single stage).
How the machine is accelerating from firing speed (20%) to self sustain speed(60%)?? The starter motor is fixed speed and the torque converter...
In Frame-5 Gas Turbine, Load gearbox is equipped with a single quill shaft drive. it is a FLENDRGRAFF gearbox.
I need to understand, what is the advantage of quill shaft power transmission? why cannot we use a normal parallel gear unit?
also could not under stand how the quill shaft is connected...
I hope some expertise to explain me about the difference between the axial and vertical split case multi stage pumps.
what is the design differences? applications, pressure ranges..
which design should have a balance drum/disk? and which one is equipped with leak off sleeve?
what is the...
In gas compressor; what is the specific heat ration? How could it affect the compressor performance?
in compressor's data sheet; I can see Cp/Cv varying with the temperature. is this the only parameter which could affect it?
thanks
We have oil free package Ingersoll Rand Sierra SH300 and observed that 1st stage airend and 2nd stage airend seal ports are blowing heavily hot air. Is this a normal phenomenon? please see the attached photo.
I understand, this ports(openings) will leak only whenever there is a seal failure...
We have oil free package Ingersoll Rand Sierra SH300 and observed that 1st stage airend and 2nd stage airend seal ports are blowing heavily hot air. Is this a normal phenomenon? please see the attached photo.
I understand, this ports(openings) will leak only whenever there is a seal failure...
What are the constrains running dissimilar pumps in parallel?
Why should they have the same suction and same discharge pressure? what if one pump has different friction losses at the suction or discharge side from the other one?
Thanks
In my area there is a BRUSH make generator 32KVA driven by FR6 GE gas turbine.
Radial vibration of the free end (exciter side) of the generator reaches the alarm limit 12 mm/s.
the vibration values are different from day to night time. During the day time it will reach the alarm limit...
In my area there is a BRUSH make generator 32KVA driven by FR6 GE gas turbine.
Radial vibration of the free end (exciter side) of the generator reaches the alarm limit 12 mm/s.
the vibration values are different from day to night time. During the day time it will reach the alarm limit meanwhile...
Which alloy of these two has the higher corrosion resistance? Inconel 625 or ASTM A182 F55??
I understand, A182 is supper duplex alloy, meanwhile Inconel 625 is high alloy steel.
Some employer asks form ASME certificates for engineers. I understand there is a certificate for each aspect e.g. piping, vessel inspection, etc,
Is there general ASME certificate??? membership maybe
my main concern is the certificate for trainer and instructors
In oil and gas facility; 4x crude oil shipping pumps are working in series. number of pumps in the series combination will vary according to the required daily production.
each pump is equipped with dual seal pressurized mechanical seal "Flowserve make" API53B plan
seal chamber pressure will...
