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Recent content by thermcool

  1. thermcool

    suitable insulation Material for machining

    Try high density polyethylene with the thermal conductivity in the range of 0.42-0.51 W/mK. The material have got very good physical properties and can be easily machined.
  2. thermcool

    Evaporative Cooler - Efficiency

    In the case of the evaporative cooler, the air will loose sensible heat to the water which will be equal to the gain moisture contents (or humidity) from the water. The untimate potential of the air passing through the cooler is to have the dry bulb temperature at the outlet equal to the web...
  3. thermcool

    How Do I perfoem Heat Exchanger Calculation

    you can also try "Heat exchanger design" by sekulic and gupta
  4. thermcool

    Static VAR Compensator

    Hello Guys, Well, i am working on project involving the connecting the wind farm with the electrical grid system. As my background is in mechanical system so i need some help with the component know as "static VAR compensator". I am particularly looking at the information related to the...
  5. thermcool

    Cooling large volumes of gas

    I was thinking you might get some decrease in the temperature of the compressed air by cooling the compressor cylinders using forced convection air flow. This can decrease the temperaure and thus extent of the cooling required for the compressed outlet gas from the cylinder.
  6. thermcool

    Computer Cooling

    hi tbedford, Thats actually very interesting idea and had been brought to practical use by number of laptop models in the past. However, there are number of limitation encountered in that design, the primemost limitation is the thermal resistance that is encountered at the hinge (heat pipe to...
  7. thermcool

    Computer Cooling

    Thanks Guys for your replies, BigInch, you are right acoustics is actually one of the major concern in the design of any thermal control system, You see whatever cooling means we device using two phase cooling or single phase cooling, in the end we have to dissipate the heat to the atmosphere...
  8. thermcool

    Computer Cooling

    Hello Guys, I would like to invite discussion on the current problems that we are facing in the cooing of the microprocessor for the laptops/desktop computers. The number of microprocessors in the computer and their heat dissipating tendency is increasing year by year according to the...
  9. thermcool

    thermoplastic polymer for very cold weather

    Ultra High Weight Polyethylene is a good thermoplastic for low temperature applications.
  10. thermcool

    bouyancy of hydrogen & oxygen

    use simple gas law PVT=P1V1T1 PVT is the standard atmospheric conditions P1 - pressure due to column of water i.e. density of water x height of the water column x 9.8 (gravity) Let say the T=T1 then use can easily find the final compressed volume. You are right if you compress the given...
  11. thermcool

    Hydrogen Leak Detection

    Did you give a try to Ultrasonic leak detector? they are quite handy, we have use them for the air leak detection, not sure about the hydrogen leak detection. May be check with one of the supplier.
  12. thermcool

    Diesel Leak rate through a buried pipe

    Well, if you use darcy law of diffusion thorough the porous structure to calculate the flow rate of the diesel through the buried pipe. Hopefully it will give you valid approach and better results. See the below link for detail: http://biosystems.okstate.edu/darcy/LaLoi/basics.htm
  13. thermcool

    How to arrest leakage

    you need to be specific about what kind of system you are talking about. Normally, the best way to make a system leakproof is to perform a proper vacuum test on it i.e. to maintain the system under vacuum for specific period of time. If there is any leak, you can find the leakage location by...
  14. thermcool

    Low-cost heat exchanger

    See below links: http://wastechengineering.com/products/heat_exchangers.html http://www.oxfordplasticsinc.com/geothermalheating.htm http://www.us.piping.georgefischer.com/index.cfm?uuid=C8EDA72AEE1A4B3DA8F8AA810A435EFA&o_lang_id=2...
  15. thermcool

    Low-cost heat exchanger

    We had use these heat exchanger without any substantial problems. Actually, with stagnant flow or very low flow rates for highly saturated salt mixture sometime deposition of the salt takes place in these tubes but it is very easy to clear the pipes by periodic increasing the flow. As i said...

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