5 5 ... 345
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  1. #41


    quote:Originally posted by gregori

    30% ...
    .
    13
    ,


    <<>> .[}][}]

  2. #42

    Jun 2008
    Glyfada, , Greece.
    :
    3,101
    quote:Originally posted by pfys

    ,

    .
    topic. :
    ( 18) ( ) ( i) i ' i .
    :
    10 10. 14. dd ( (degrees-days) 4464 ( :
    1 4464: 1 : (18-14 ) 10 = 40 / 60 / = 0,6666 / 24 / = 0,0277 (dd)
    2 4464: 2 : (18-14,2) 10 = 38 ......... = 0,026 dd
    3 4464...............
    ....................................
    144 4464: 144 (18-12 ( 24 2) 10 = ....... = 0,042 dd
    ...........................
    4464 4464: 4464 (18-3,2) 31 ) 10 = .......= 0,102 dd

    dd(=1 .. =4464) = 210
    DD=210

    ;

    q = k X DD k kWh/dayK DD daysK kWh.

    :
    15 kW 0/20 & 24 . 16 8 ()
    k --> kWh/dayK = kW/K X h/day k = 15/(20-0) X 24 = 18 kWh/dayK
    : q= 18 X 210 = 3780 kWh

    k k .

    .

    ' . .

    ..
    18,3. ( ), 18,3 65 Fahrenheit (65F = 18,3C) 5 F = 2,77 C. 65 18,3 C 18 . 20 21 (70F).
    . 18 20 - 2,8 = 17,2 ~ 10%.

    , ; ; .




  3. #43
    quote: ,
    ...
    30% 3,370 Kwh/Kg 3370kcal;



    http://udravlikos.gr

  4. #44



    ( ) (-) (Super ). , 20% :

    115/(3,9 x 0,70) = 42 5 .


    30% 1 Kgr :
    X + 0,3X = 1 => X= 0,769 Kgr 0,231 Kgr.

    0,231 Kgr 17 C 100 C :

    0,231 x 1 x (100-17) = 19,17 Kcal


    << >> .
    (saturated liquid) 100 C 1 Bar 419,16 KJ/Kgr.
    (saturated vapor) 100 C 1 Bar 2675,44 KJ/Kgr.

    2675,44-419,16 = 2256,28 KJ/Kgr = 2256,28 / 4,18 = 539,78 Kcal/Kgr.
    0,231 Kgr :

    0.231 x 539,78 = 124,69 Kcal

    100 C (373 K) C(100) = 2,080 KJ/(Kg*K)
    250 C (523 K) C(250) = 4,011 KJ/(Kg*K)
    C = (4,011+2,080)/2 = 3,045 KJ/(Kg*K)

    : 3,045 x (523-373) = 456,75 KJ/Kgr =
    =456,75/4,18 Kcal/Kgr = 109,27 Kcal/Kgr.

    0,231 Kgr :

    109,27x 0,231= 25,24 Kcal

    1 Kgr 4450 Kcal/Kgr 0,769 Kgr :

    4450 x 0,769 = 3422 Kcal

    30% :

    3422-(19,17+124,69+25,24) = 3253 Kcal /Kg 3,783 kWh/Kg

    << >> 6% 15% .( email . .) 10%. 6%. . :

    3,783 x 0,9 3,783 x 0,94 => 3,405 kWh/Kg 3,556 kWh/Kg

    .
    3,370 kW/Kg.[}][}]

    .

    . 20% ( ) 30% ( ). , . 1-(3400/3900) = 13%.[}][}]

    .
    . .., .
    .
    .

  5. #45
    !!!
    , , . "" , ( ) :

    <2,5C --> 1,0% 1,5%
    2,5C<<7,5C --> 14,0% 16,0%
    7,5C<<12,5C --> 26,0% 28,0%
    12,5C<<17,5C --> 35,0% 37,0%
    17,5C< --> 20,0% 22,0%

    ( ) (SPF SCOP)

    panel: 3,2 3,7 ( 3,5)
    Fan Coils: 3,8 4,3 ( 4,0)
    : 4,2 5,0 ( 4,6)

    .

    . . . .
    . ! !



    ...
    ...
    ...

  6. #46

    Oct 2005
    Nikea, , Greece.
    :
    2,979
    " ".







    .


    Memory is like an orgasm. It's a lot better if you don't have to fake it.
    Seymore Cray (on virtual memory)

  7. #47

  8. #48

    Jun 2008
    Glyfada, , Greece.
    :
    3,101
    .
    . (/kWh) :
    1,285 /lit / 10200 Kcal/Kg X 860 Kcal/kWh / 0,85 Kg/lit = 0,127 /kWh 87% = 0,147 /kWh

    . :
    1. - . . ! .... . . . ! !
    2. ' . .
    3. . . .
    4. . . , , , complicated controls ( ) .
    .



  9. #49

    Oct 2005
    Nikea, , Greece.
    :
    2,979
    , . , . . .
    . .
    ( ).



    Memory is like an orgasm. It's a lot better if you don't have to fake it.
    Seymore Cray (on virtual memory)

  10. #50


    ( ) . !
    , ...
    . 40KWe , 100 ! 2000kwh ( 12.000) !
    . . 22-26% ( ) . / 26% 55%? ?



    ...
    ...
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