Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: somacast
  • Content: Threads
  • Order by date
  1. somacast

    harmonic force , displacement, in a caesar ii dynamic analysis

    Hello and good day to you, I have a question about the harmonic force or displacement being used in an analysis and sorry for this being so basic question, but how is it determined if really things are quite hazy about the real source of vibration in the pipe, i.e. 2 phase or slug flow maybe...
  2. somacast

    The effect of transformers

    hi, I wanted to know please in comparison, when comparing 2 electrical fixed speed motors, of same power & rpm , but different voltages. in other words, is it more efficient to have a motor rated at 3300 volts via transformer from the 11000 volts feeder, or to have a 11kv motor directly ? i...
  3. somacast

    electrical motor power factor & efficiency

    hello, I want to know where each figure recorded from the LCD panel of the power feeder of an AC motor driving a machinery goes. in other words, I have the reading at one instance reads in the panel at electrical room: KW = 700 KVAr = 800 AMP = 70 and this is on a 11KV feeder. so what is...
  4. somacast

    COMPRESS thickness of shell parameters

    Hi, I wanted to ask about the weight used in the report in different loading scenarios, for example in the report shell thickness under (operating, hot & new, wind, bottom seam), tw which is due to weight they used a weight of 57,011.8 kg , while the shell weight only as a component is only...
  5. somacast

    Pressure vessel internal (bottom support grid, support ring, and support beams)

    Hello, I hope everyone is doing fine, at first I would like to apologize for not replying on my last post a few months ago, as it seems there was a technical issue at my end preventing me from receiving the notification emails !!! and special thanks for the extremely useful replied. now for...
  6. somacast

    field pipelines expansion and flexibility

    Hello, The actual case is that some LPGs are being pumped through long pipelines running above ground mostly, and has some buried sections under roads, runs like that for about 20 kilometers, so the majority of the pipelines are exposed, its been there for many years and being well maintained...
  7. somacast

    vibration evaluation of a pipeline in a system

    hello everyone, Again, as part of my job every while I get an annoying task to fulfill, here I was asked to see if the report submitted by the contractor regarding high vibration in an axis at one support is acceptable. Issue in few words: a reciprocating propane compressor was installed as...
  8. somacast

    reciprocating air compressor

    hi, We do have a very old piston air compressor double (2 cylinders) of capacity 800 Nm3/hr , and for modernization and due to issues with availability of cooling water for this compressor, we were exploring the possibility of replacing it with a new oil-free screw type air compressor of the...
  9. somacast

    Thermal efficiency of a gas turbine in industry

    Hello , I was asked by my supervisors to find out the efficiency (I believe they mean the thermal efficiency) of a newly installed gas turbine in our plant, as they want to compare against the old one and against the datasheets supplied, and as I used to like thermo and power plants subjects...
  10. somacast

    Momentum due to cold venting through a pipe ...

    Hi , My question is about a 16 inch flare line, on which a branch was taken for cold venting in case the flare is out, this branch was added about 20 years ago, and its a 12 inch branch, the venting is said to be (55000 Kg / hr) of gas (density 1.1 kg/m3) , and an old man did a simple...
  11. somacast

    high Amps on newly replaced pump

    hello, I just had a non-seal centrifugal pump replaced with newer one as the old pump was obsolete after almost 20 years of service, its used in a high temperature application and the new pump is almost 100% exactly the same specs of the old pump, just the new model from the manufacturer with...
  12. somacast

    flow of water in a cooling system

    Hello everybody, At first kindly refer to this topic for earlier discussions as I was seeking help to calculate the heat transfer from the tank of a cooling system we want to enhance http://www.eng-tips.com/viewthread.cfm?qid=411608 Further to this (kindly refer to attachment), looking at the...
  13. somacast

    cooling capacity requirements for a water tank.

    Hello, It is desired to cool down the water of a tank using a chiller (simply an air conditioning unit which evap is placed in the water, a common practice over here) this water is used to cool down compressed air from a compressor, so I understand that BTUs required for initial cooling down...
  14. somacast

    Piping support from ground for a vent line

    hello, I posted this earlier in another forum and one helpful member there gave me some good answers however I still seek more please ... We are facing a problem with a vent at our plant, and it was agreed by all parties that it needs to be re-routed to a further point. The vent pot is 12...
  15. somacast

    A Pipe Support from the ground

    Hi everybody, its my first post in the forum, We are facing a problem with a vent at our plant, and it was agreed by all parties that it needs to be re-routed to a further point. The vent pot is 12 meters high, small in size and weighs about 60 Kgs, and in order to maintain the vent and due...

Part and Inventory Search

Back
Top