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  1. foxstar

    ADsorption chillers versus ABsorption chillers

    foxstar (Mechanical) (OP) 14 Oct 16 23:55 Hello Dear Fellows, Recently I had experienced some difficulty to get some reliable technical information concerning ADsorption chillers versus ABsorption chillers. As matter of fact,those difficulties even increased when I asked for a real and current...
  2. foxstar

    EXERGY ANALYSIS OF,... A HEAT-EXCHANGER

    Hello Dear Fellows, it's good to be back! ... HEAT-EXCHANGER - in two different processes: a) water (cool phase) to water (hot phase); b) water to steam. Is anybody has perfomed some theoretical calculation as well experimental validation? Thank you, and Merry Christmas and a Happy New Year! RS
  3. foxstar

    VENTILATORS TYPE PLUG-FAN

    Now-a-days it's becoming usual those Air-Ventilators plug-fan type axial or semi-axial applied specially in the hygienic AHU's. My question to the Collegues/Forum, if someone knows the applied aerodynamics of those ventilatores, mainly the adequated selection characteristics to be used. Which is...
  4. foxstar

    Bearing with too high temperature in summer, how to cool it?

    Hi! This subject is somewhat new to me, however I studied it quite deep at my graduation course. The case: Steel industry,i was called to meet three motors each with power of 250 kW, two bearing and a the motor shaft in between. In summer time the temperature rises up to 95 to 98 ºC. They ask me...
  5. foxstar

    LATENT COOLING (ENERGY) STORAGE VERSUS CHILLER POWER INSTALLED

    I'm coming back again to these fantastic foruns and may I propuse a quite wide and interesting matter, I believe: "LATENT COOLING (ENERGY) STORAGE VERSUS CHILLER POWER INSTALLED". It is known that combining a chiller installation with a ice-rink ou a with whatelse cooling storage, (it should be...

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