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  • Users: namihabib
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  1. namihabib

    What is ELP in reciprocating Aerial Compressor?

    I came across this term in Aerial Compressor Manual. Also, I tried to search further & got this : "For ELP units with no drilled hole in the connecting rod, bushing hole alignment is not critical". Other than that I am unable to find more information. Can someone tell me what ELP stands for? if...
  2. namihabib

    Modal Analysis for a Tuned Beam

    Please review my ansys apdl code for errors as I have to design a tuned beam for frequency 45Hz and 29.5 Hz. I have made a beam but I am getting 99.2Hz vibration. I want to make sure the program I wrote is correct. Please also tell me why I get the error of "the degree of freedom solution is not...
  3. namihabib

    what the prefix means in different engine families of GE waukesha.ATGL,APG,VHP,VGF,VSG,275 GL

    I need to know about what the prefix means in different engine families of GE waukesha. There are 6 that I came across: ATGL,APG,VHP,VGF,VSG,275 GL. I searched the internet to find only two: VHP = Very High Power APG= Advanced Power Generator. Need to know about the others as I have to give a...
  4. namihabib

    FRick compressor slide valve issue

    The compressor was commisioned in 2015, the slide valve of the compressor is stuck at less than 4%. the compressor doesn't start and trips. The slide valve had the double acting actuator that is gas stream at one side and oil at other. previously a locknut breakage issue happened on the...
  5. namihabib

    Impulse turbine stages

    Hi, I am confused about stages in an impulse turbine. Generally in industry i have seen that an impulse turbine with single rotor having 2 rows of buckets is called a single stage.(curtis stage) My concept is that nozzle + rotor is a stage. if we have one set of nozzles and 3 rotors then it is...
  6. namihabib

    Why pins are used in small head of connecting rod???

    A journal bearing is used at the big end of connecting rod (crankshaft side) but not at the small end . on the contrary a pin is used. why is that? why can't we use journal bearing at the small end too. I am considering a huge reciprocating compressor/pump
  7. namihabib

    Repair options for leakage in a regenerator (Heat exchanger)

    SHELL SIDE SERVICE: CATACARB SOLUTION TUBE SIDE: EFFLUENT GAS-H2, NH3, etc TEMPERATURE catacarb 120C shell MATERIAL: A285 Gr C clad with ss 304 Tube side material: ASTM A213 TP 304L We have a semi-lean generator which regenerates catacarb soluton in ammonia plant, the...
  8. namihabib

    Tube to tube-sheet weld failure & cracking in tubesheet when rectification is done

    DESCRIPTION SHELL SIDE TUBE SIDE SERVICE CATACARB SOLUTION EFFLUENT GAS-H2, NH3, etc TEMPERATURE 120C MATERIAL A285 Gr C clad with ss 304 ASTM A213 TP 304L We have a semi-lean generator which regenerates catacarb soluton in ammonia plant, the specs of which are given...
  9. namihabib

    about thermal diffusivity

    if thermal diffusivity is much greater.....what is predicted regarding the temp of the body?...will it be higher...as the cp in denominator is higher?...ans specifically to the point raised pls.
  10. namihabib

    nusselt number

    why in nusselt number the lenght not thickness is used... Like we take thickness perpendicular to the direction in which heat is transferred but why not in nusselt no

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