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Forum: Fundamentals

  1. Sticky Thread Sticky: Refrigeration 101

    Started by Gary, 05-07-2009 05:21 PM
    5 Pages •
    1 2 3 4 5
    1 Attachment(s)
    • Replies: 201
    • Views: 235,153
    L-PLATES
    01-11-2011, 10:18 PM Go to last post

  2. Thumbs up Sticky Thread Sticky: Safety of Society - The Role of the Engineer

    Started by Josip, 17-05-2011 08:16 PM
    1 Attachment(s)
    • Replies: 4
    • Views: 27,334
    SeanB
    02-10-2011, 05:45 PM Go to last post

  1. Does a vacuum pump actually create negative pressure?

    Started by Hutch., 19-04-2012 02:24 AM
    • Replies: 8
    • Views: 11,277
    Yellow Jacket
    04-09-2012, 04:52 AM Go to last post

  2. Question How do I recover refrigerant from a non-serviceable unit?

    Started by Newgirl, 23-05-2008 08:13 PM
    • Replies: 45
    • Views: 11,276
    star882
    09-06-2008, 10:59 PM Go to last post

  3. Correct Evaporator TD Calculation

    Started by ramora, 03-03-2009 04:40 PM
    • Replies: 3
    • Views: 11,255
    ramora
    03-03-2009, 08:32 PM Go to last post

  4. Question My Customer's Air Conditioner isn't keeping the beer cold!

    Started by herefishy, 15-01-2002 10:43 PM
    • Replies: 30
    • Views: 11,240
    herefishy
    26-06-2002, 02:49 PM Go to last post

  5. date, specific heat capacity and strorage temp.

    Started by GENERALCOOL, 19-04-2020 08:29 AM
    • Replies: 2
    • Views: 11,236
    GENERALCOOL
    22-04-2020, 08:51 PM Go to last post

  6. Lightbulb Mollier chart use slide show

    Started by nike123, 05-02-2008 03:21 PM
    • Replies: 2
    • Views: 11,197
    nike123
    05-02-2008, 05:45 PM Go to last post

  7. How to pump down a R404a coldroom system

    Started by cool runner, 28-01-2009 08:09 PM
    • Replies: 1
    • Views: 11,186
    Brian_UK
    28-01-2009, 08:36 PM Go to last post

  8. Evaporator TD and refrigeration effect

    Started by nambiandy, 27-09-2008 08:10 AM
    • Replies: 2
    • Views: 11,153
    nambiandy
    11-10-2008, 11:39 AM Go to last post

  9. Wink TXVs with MOP

    Started by herdian, 28-08-2007 06:15 AM
    • Replies: 9
    • Views: 11,146
    herdian
    29-08-2007, 06:13 AM Go to last post

  10. Sub cooled r22 still flashing?

    Started by Drew, 28-02-2013 10:29 AM
    2 Pages •
    1 2
    • Replies: 53
    • Views: 11,145
    Drew
    26-03-2013, 09:55 AM Go to last post

  11. Martin-hou equation

    Started by Lc_shi, 18-04-2006 08:00 AM
    • Replies: 6
    • Views: 11,083
    rays17
    18-02-2011, 08:05 AM Go to last post

  12. Suggestion for chilled water line.....

    Started by Bashir01219, 10-05-2010 09:04 AM
    • Replies: 31
    • Views: 11,066
    Bashir01219
    23-05-2010, 12:59 PM Go to last post

  13. Question temperature differential condenser

    Started by firmanardha, 30-01-2009 09:37 AM
    • Replies: 8
    • Views: 11,033
    mickel
    04-03-2011, 12:32 PM Go to last post

  14. sensible cooling duty of a cooler

    Started by samiam, 14-02-2008 10:53 PM
    • Replies: 8
    • Views: 11,017
    maltysoft
    16-02-2008, 05:49 PM Go to last post

  15. Do I switch off chillers or keep them running overnight?

    Started by Neeps, 03-12-2008 03:04 PM
    • Replies: 9
    • Views: 11,016
    Tapas K Mitra
    10-12-2008, 09:29 AM Go to last post

  16. Pressure relief valve

    Started by DaBit, 06-08-2003 01:52 PM
    • Replies: 18
    • Views: 11,011
    Derek
    16-08-2003, 03:11 PM Go to last post

  17. Brazing Procedure Qualification

    Started by Delboy, 28-02-2006 02:55 PM
    • Replies: 13
    • Views: 10,978
    hendry
    18-12-2007, 07:04 AM Go to last post

  18. oversized TXV...

    Started by star882, 15-02-2008 05:02 AM
    • Replies: 2
    • Views: 10,976
    lana
    15-02-2008, 08:31 AM Go to last post

  19. Refrigerated units on Drycleaning Machines

    Started by jamcool, 27-07-2006 03:00 AM
    • Replies: 3
    • Views: 10,966
    ableis
    20-01-2008, 09:12 PM Go to last post

  20. air washer system with chilled water

    Started by smpsmp45, 20-09-2007 07:35 AM
    1 Attachment(s)
    • Replies: 16
    • Views: 10,952
    smpsmp45
    02-11-2007, 06:28 AM Go to last post

  21. Compressor replace

    Started by tralex, 24-08-2006 11:56 AM
    • Replies: 12
    • Views: 10,921
    Rotax100uk
    05-02-2009, 11:40 PM Go to last post

  22. Thumbs up Converting an ac to a heatpump

    Started by modengineer, 15-02-2007 07:12 PM
    • Replies: 5
    • Views: 10,907
    SIGNSTU
    10-03-2007, 09:05 PM Go to last post

  23. Exclamation How to make freezer slow freeze poultry

    Started by iceman31, 02-07-2013 01:09 PM
    2 Pages •
    1 2
    • Replies: 62
    • Views: 10,899
    iceman31
    18-09-2013, 05:26 PM Go to last post

  24. Dry bulb or wet bulb

    Started by nike123, 15-09-2011 07:58 PM
    • Replies: 24
    • Views: 10,876
    mikeref
    16-09-2011, 01:34 PM Go to last post

  25. Electronic Expansion Valve Benefits

    Started by Dr. Downflow, 13-01-2011 03:28 PM
    • Replies: 6
    • Views: 10,871
    Sandro Baptista
    14-01-2011, 01:00 PM Go to last post

  26. Thermodynamic Laws

    Started by Prof Sporlan, 27-09-2002 04:27 AM
    • Replies: 2
    • Views: 10,845
    Prof Sporlan
    08-10-2002, 12:37 AM Go to last post

  27. Question on non-condensables in ammonia

    Started by leewd, 02-05-2012 03:00 PM
    • Replies: 31
    • Views: 10,797
    Tycho
    25-05-2012, 08:08 PM Go to last post

  28. Walk In freezer,r404

    Started by johnanthonyhome, 15-06-2008 04:55 AM
    • Replies: 20
    • Views: 10,741
    icecube51
    16-10-2008, 07:00 PM Go to last post

  29. Noise level - NC and dBA

    Started by sparo, 12-12-2008 04:47 AM
    • Replies: 5
    • Views: 10,709
    sparo
    15-12-2008, 02:29 AM Go to last post

  30. Some information on the aplication of suction gas/liquid line heat exchangers

    Started by SteinarN, 12-03-2008 12:54 PM
    • Replies: 5
    • Views: 10,685
    shooter
    14-09-2009, 07:33 AM Go to last post

  31. Evaporator Orientation

    Started by Wickfut, 28-11-2020 10:13 AM
    2 Attachment(s)
    • Replies: 4
    • Views: 10,654
    Aik
    25-01-2021, 09:39 AM Go to last post

  32. Pressure-Enthalpy Mollier Diagram

    Started by FCS, 20-11-2007 03:00 AM
    • Replies: 2
    • Views: 10,641
    Josip
    27-11-2007, 12:11 PM Go to last post

  33. Frost stat tripped

    Started by marc5180, 09-01-2010 08:09 AM
    • Replies: 14
    • Views: 10,636
    sedgy
    12-01-2010, 10:15 PM Go to last post

  34. Natural (gravity) air soil venting on cold stores (-25ºc)

    Started by Sandro Baptista, 18-02-2011 10:13 AM
    2 Attachment(s)
    • Replies: 13
    • Views: 10,624
    Sandro Baptista
    01-03-2011, 09:46 AM Go to last post

  35. COP comparison under ARI condition

    Started by MartinHsu111, 25-02-2008 03:05 AM
    • Replies: 1
    • Views: 10,613
    wambat
    25-02-2008, 03:52 AM Go to last post

  36. EPR or Hot gas bypass

    Started by mad fridgie, 18-12-2009 08:19 AM
    • Replies: 19
    • Views: 10,613
    Mike NZ
    18-03-2010, 06:53 AM Go to last post

  37. R404a water cooled condensing unit with 8oC cooling water

    Started by wta12, 07-01-2014 04:35 PM
    3 Attachment(s)
    • Replies: 49
    • Views: 10,605
    Gary
    17-01-2014, 03:20 PM Go to last post

  38. Pressure / leak test using ofn helium from BOC

    Started by norfolkboy, 21-02-2008 12:48 AM
    • Replies: 23
    • Views: 10,604
    norfolkboy
    02-03-2008, 09:54 PM Go to last post

  39. My 3 stage cascade design - what you think??

    Started by SES Utah, 09-09-2011 03:39 PM
    6 Attachment(s)
    • Replies: 44
    • Views: 10,590
    chillerman2006
    13-09-2011, 01:03 AM Go to last post

  40. R-value conversion

    Started by HollyT, 02-01-2003 06:39 PM
    • Replies: 3
    • Views: 10,578
    Prof Sporlan
    02-01-2003, 10:58 PM Go to last post

  41. evaporator above doors

    Started by skyboy6142, 29-09-2020 10:46 AM
    • Replies: 2
    • Views: 10,523
    chemi-cool
    29-09-2020, 04:21 PM Go to last post

  42. DIY freeze drier revisited

    Started by peltier, 17-07-2011 07:42 AM
    • Replies: 13
    • Views: 10,512
    peltier
    17-07-2011, 12:38 PM Go to last post

  43. Evaporative Condensor Condensing Temperature (for Dubai)

    Started by samiam, 14-07-2008 05:40 PM
    • Replies: 6
    • Views: 10,487
    wambat
    15-07-2008, 02:56 AM Go to last post

  44. Compressed dive air vs nitrogen leak detection

    Started by saillar, 20-11-2010 06:18 PM
    • Replies: 14
    • Views: 10,478
    chilliwilly
    22-11-2010, 07:17 PM Go to last post

  45. Making a simple water cooled condenser

    Started by The MG Pony, 28-05-2007 04:25 AM
    3 Attachment(s)
    • Replies: 19
    • Views: 10,466
    The MG Pony
    01-08-2007, 11:02 AM Go to last post

  46. R600a as drop-in for R12 in car ac?

    Started by Knusti, 04-06-2009 07:50 AM
    • Replies: 8
    • Views: 10,421
    A/C MAX
    06-06-2009, 12:22 AM Go to last post

  47. accurators

    Started by reggie, 20-07-2002 09:45 AM
    • Replies: 2
    • Views: 10,415
    Gibson
    09-01-2003, 05:19 AM Go to last post

  48. Type of Compressor used for propane

    Started by juancalvarezg, 28-05-2009 03:48 PM
    • Replies: 23
    • Views: 10,409
    Jetasia
    25-09-2010, 06:59 PM Go to last post

  49. Difference between a large condesing unit and a chiller, and between VRF and VRV

    Started by tony_the _tiger, 01-09-2011 11:36 PM
    4 Attachment(s)
    • Replies: 8
    • Views: 10,394
    chillerman2006
    03-09-2011, 01:24 AM Go to last post

  50. how to calculate actual air cooled condenser TD.

    Started by beeran, 17-08-2013 01:46 PM
    • Replies: 7
    • Views: 10,373
    D.D.KORANNE
    20-09-2013, 10:45 AM Go to last post

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