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                                     Bagni                                                 Loc.3
                                     1200 W                                               1100 W
                                                                Locale 2
                                                                6640 W
          Locale 1: 3780 W
                                                                                      Locale 4
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                                                   !              ; 74 B8
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                                                                                      1050 W
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              Locale 8                                                     Locale 6
                                               Locale 7       900 W
              1500 W                                                       2080 W
                                               3870 W
                                         &
                                         &                            5
                                                                      5
                         t in   + t out
∆t = t m − t A =                        − tA
                                2
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       ∆t =                       − tA
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        2 ⋅ 75 − 10
∆t =                − 20 = 50 °C
             2
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                        Locale   Q (W)    Qel (W)      nmin       neff    Qeff (W)
                          1      3780        161       23,5        24      3864
                          2      6640        161       41,2        42      6762
              Q           3      1100        161       6,8         7       1127
    n min =               4      1840        161       11,4        12      1932
              Q el
                          5      1050        161       6,5         7       1127
                          6      2080        161       12,9        13      2093
Q eff = n eff ⋅ Q el      7       900        161       5,6         5        805
                          8      3870        161       24,0        24      3864
                          9      1500        161       9,3         10      1610
                       Bagno 1   1200        80         15         15      1200
                       Bagno 2    900        80       11,25        12       960
                                         Potenza totale installata (kW)    25,3
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                        Bagni                                                                                               Loc.3
                        1200 W                                                                                             1100 W
                                                                                Locale 2
                                                                                6640 W
        Locale 1: 3780 W
                                  Locale    Q (W)    Qel (W)      nmin       neff    Qeff (W)
                                                                                                                       Locale 4
                                    1       3780        161       23,5        24      3864                             1840 W
                                    2       6640        161       41,2        42      6762
                                    3       1100        161        6,8         7      1127
                                    4       1840        161       11,4        12      1932
                                    5       1050        161        6,5         7      1127
                                    6       2080        161       12,9        13      2093
                                    7        900        161        5,6         5       805
                                    8       3870        161       24,0        24      3864
                                    9       1500        161        9,3        10      1610
                                 Bagno 1    1200        80         15         15      1200                             Locale 5
                                 Bagno 2     900        80       11,25        12       960
                                                    Potenza totale installata (kW)    25,3
                                                                                                                       1050 W
                                                                          Bagni
         Locale 8                                                                                   Locale 6
                                 Locale 7                                 900 W
         1500 W                                                                                     2080 W
                                 3870 W
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       ∆p R1 + ∆p rad + ∆p coll + ∆p R 9 ≈ ∆p R 5 + ∆p rad + ∆p coll + ∆p R10
Ramo         Qrad (W)   mw (l/h)   L (m)
 R1            1932      166,2      11
 R2            1932      166,2      6,6                             E   H
 R3            1288      110,8      9,6
 R4            1288      110,8      17                              Q rad ( W )              s
                                                     mw =                             ⋅ 3600
 R5            1288      110,8      11                                 J                     h
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                                                                    kg°C
 R7            1449      124,6     15,6
 R8            1127      96,9       23
 Totale ramo R9 (l/h)    553,8      23
Totale ramo R10 (l/h)    456,9      16
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EVOLA IMPIANTI TECNICI NELL’EDILIZIA CIVILE E COMMERCIALE .

  • 1.
  • 2. ! ! ! ! ! #$ quot; ! quot; %& ' ( ) * + , ,+, * % - ' % ( quot; #! # $#% ! ! & & # $& % $ ! quot; $ ' ( ) ( ' (( ' Ti Te ( * + , -. q = U ⋅ (Ti − Te ) Q = U ⋅ Ap ⋅ (Ti − Te ) q quot; ( / ! & 0+ & . 1 1 1 1 U= = n s C= R 1 j 1 n sj + + hoi λ j hoe j =1 j =1 λ j ( ( )* + , ' ' && ( - quot; . - ' * . +/ 11 . + / 0 # . +/ 0 ' # . +/ # . +/ # . +/
  • 3. / / ! ! * 0 12 3 - 4 # 0 0 - ' ' 5 5 2* * ,# . + 3/
  • 4. ' ' 5) 5 + 0quot; 2. 2 77 8 3 79: * $ 16 ! ' ' 5 5 ) )) ) * $ # 2 8 3 79: 6 !
  • 5. ' ' 5 5 ,+ ' ' ! ! ( ! ; Qd = U j ⋅ S j ⋅ (TA − TE ) ⋅ f j ; ( ' ' +0 2 2 quot; 3 . < ! * 0 quot; 1 = 4 . ! ! & > ? ! 0 @6 # ( < & ; Qd = m ⋅ cp ⋅ (TA − TE ) = nV ⋅ ρa ⋅ cp ⋅ (TA − TE ) $ #2 6 A $ 0 7- B 3 1 6 ! $ 0 # C B 9: # # 3
  • 6. ' ' ! ! Bagni Loc.3 1200 W 1100 W Locale 2 6640 W Locale 1: 3780 W Locale 4 1840 W ! ; 74 B8 ! ; 0 83 1 quot; ! Locale 5 1050 W Bagni Locale 8 Locale 6 Locale 7 900 W 1500 W 2080 W 3870 W & & 5 5 t in + t out ∆t = t m − t A = − tA 2 2 ⋅ t in − 10 ∆t = − tA 2 2 ⋅ 75 − 10 ∆t = − 20 = 50 °C 2
  • 7. & & 5 5 *+ *+ & & 5 5 Locale Q (W) Qel (W) nmin neff Qeff (W) 1 3780 161 23,5 24 3864 2 6640 161 41,2 42 6762 Q 3 1100 161 6,8 7 1127 n min = 4 1840 161 11,4 12 1932 Q el 5 1050 161 6,5 7 1127 6 2080 161 12,9 13 2093 Q eff = n eff ⋅ Q el 7 900 161 5,6 5 805 8 3870 161 24,0 24 3864 9 1500 161 9,3 10 1610 Bagno 1 1200 80 15 15 1200 Bagno 2 900 80 11,25 12 960 Potenza totale installata (kW) 25,3
  • 8. ( ( & & Bagni Loc.3 1200 W 1100 W Locale 2 6640 W Locale 1: 3780 W Locale Q (W) Qel (W) nmin neff Qeff (W) Locale 4 1 3780 161 23,5 24 3864 1840 W 2 6640 161 41,2 42 6762 3 1100 161 6,8 7 1127 4 1840 161 11,4 12 1932 5 1050 161 6,5 7 1127 6 2080 161 12,9 13 2093 7 900 161 5,6 5 805 8 3870 161 24,0 24 3864 9 1500 161 9,3 10 1610 Bagno 1 1200 80 15 15 1200 Locale 5 Bagno 2 900 80 11,25 12 960 Potenza totale installata (kW) 25,3 1050 W Bagni Locale 8 Locale 6 Locale 7 900 W 1500 W 2080 W 3870 W /& /& ! ! ! ! < ' 4 + . + . 4 + . + . * 0 * 0 # 0 * # 0 # 0 * 0 # $ 0 * # 0 # 0 * 0 # 5 * + 6 . 1 & ( ) + * . 7 & + ) . 7 3 & )7 8 9 : ; < <
  • 9. /& /& ! ! / ! D5 5 D 4 ' 4+ . + . 4 + . ! * * 0 * ! 0 * $ ! # # 0 * * ! * * 0 * $ ! $ $ 0 * ! 0 * * % ' 9 ' +9 =. E ! + > . & ! ' ! !
  • 10. F F5 5 /& /& $ F F5 5 /& /&
  • 11. (! (! ! ! /& /& 1 - 0 2 quot; . 0# 7 4 G ∆p R1 + ∆p rad + ∆p coll + ∆p R 9 ≈ ∆p R 5 + ∆p rad + ∆p coll + ∆p R10 Ramo Qrad (W) mw (l/h) L (m) R1 1932 166,2 11 R2 1932 166,2 6,6 E H R3 1288 110,8 9,6 R4 1288 110,8 17 Q rad ( W ) s mw = ⋅ 3600 R5 1288 110,8 11 J h R6 1449 124,6 13,4 4186 ⋅10(°C ) kg°C R7 1449 124,6 15,6 R8 1127 96,9 23 Totale ramo R9 (l/h) 553,8 23 Totale ramo R10 (l/h) 456,9 16 / / 5 5 ! ! 3' 04 ( 0 quot; 3 quot; ' 7# !! 3! !!663!
  • 12. / / 5 5 3' J I ( 2 1 2 3' 0 !! 4 3! !!663! (! (! ! ! /& /& 9 ' %* + quot; ( ) % % 'quot; # &% ! ( $ #0 ? ! $ @0 5 # quot; quot; ! $ %& ' %% $ !quot;# quot; ! 9 $# 1 4 A 8 quot; +B #.A +9 . B A 3 D +9 . # A+ C 3C D 2 .A 2 E 1 - 0 2 quot; . 0# 7 4 G
  • 13. (! (! ! ! /& /& 9 ' %* + quot; ( ) % % 'quot; # &% ! ( $ #0 ? ! $ @0 5 # quot; quot; ! $ %& ' %% $ !quot;# quot; ! 9 $# 31 4 A quot; +B #.A 3 +9 . B A 3 2 +9 . 2 # A +FDC 3C D 2 .A D8 E 1 - 0 2 quot; . 0# 7 4 G (! (! ! ! /& /& 9 ' %* + quot; ( ) % % 'quot; # &% ! ( $ #0 ? ! $ @0 5 # quot; quot; ! $ %& ' %% $ !quot;# quot; ! 9 $# F1 4 A GH quot; +B #.A D +9 . B A8 +9 . # A + 3C 8C 8 2 .A 3 E 1 - 0 2 quot; . 0# 7 4 G
  • 14. , < , < 5/ 5/ ! ! , < , < ! ! ' '
  • 15. ! ! /& /& % 4 6 /& 6 I 6 +J K. 6 *' +J2 K. / ! : ( $ 77 ! KK K * & L * * Q caldaia 25.3 (kW ) m3 Vc = = = 2.6 H i ⋅ ρ c 50000 ( kJ / kg) ⋅ 0.71(kg / m 3 ) h quot; , %quot; # '%% / . % ! !- ! . #
  • 16. ' ! ' ! & out D= i S ⋅ 1.5 = ( 2 ⋅ 1023 mm 2 ) ⋅1.5 = 63 mm 0.785 0.785 Q caldaia ( W ) mw = J = 0.61 (kg / s) D = 1quot; 1 / 2 4186 ⋅10(°C ) kg°C , ,
  • 17. , , , < , < & && &
  • 18. ! ! ! ! ! ! 0 7 00 0 2 2 $ 0 1 % 1 % ! ! ! ! ! !
  • 19. ! ! & 5 6 5 6 ' 67 & ! ! ! ! quot; 8' ) 6 +) ' +) 0 ( ' 0' * ' ' , 5 ' ' 7 ' 9 : ' +) + ' ;' 0 ' ' - ) ) 8: ' + 7 ) 9 +) 0 ' 6 +) 0 ) 66 ' + + 9 : + ' , ) 9 0' - +)+ 0 9 + < ' + ) ' ,
  • 20. ! ! ! , < , < & & 1< 1<
  • 21. / & / && & ! ! / && ! / / 0 2 F quot; 1 M @( N 3 +O :. +% . 4& 8 F DM @( P 3 F +O :. +% . quot; F 0 231 FF +% * * 9#. * G 7- 0 ;7# 0 # Q m3 $ $$ #4 Vc = caldaia 0 quot;$ Vc = 2.0 H i ⋅ ρc h
  • 22. / + ; 9$ $ 4 @ * '' 9$4 ; ( : / / '' # ' 9$4 '' ) 9$4 ' ( * 9 95 5 (! ( (! ! 4 + . + . 4 + . + . 4 + . + . 4 + . + . * 0 * * 1 0 0 * 0 * # 0 * #* 0 $ 0 * 0 # * 0 $ #0 $ 0 * 0 # / / && < ! ! / ! *' + '' . 7 6 6 6 ; 7 3 *' ' *
  • 23. / Q ρ ⋅ w2 : ' ' ' ∆p = f ⋅ ⋅L * + ' . 200 ⋅ Di ( ; > ' && < L ( / / m3 Vcucina = 2.0 h Qcaldaia m3 Vcaldaia = = 2.6 H i ⋅ ρc h ! ρ ⋅ w2 ∆p = f ⋅ ⋅L 200 ⋅ Di 7quot; B8 (; ( $ 7quot; !! ! ; ( $ 0 !! - (
  • 24. ! ! < < ! ! !/ / H & M 12 B8 # D 32 F D D 49 3F F2 < & ; $ D O, (! (! ! ! ! ! 0quot; 2 F1 0quot; 8 F D 1 F2 ! < < 0quot; FD 1 FF 0quot; 8 F D 1 F2 = + 6 )+ + 1 > + + -+ ' ? > + ;7 > @ < ) ) + ) > R
  • 25. (! (! ! ! ! ! + D ( ( ! E ! (! (! ! ! ! ! , ' & !/ / ;
  • 26. ! ! < <
  • 27.
  • 28. $ $! ! 4 ##6$ 4 ##6$ quot; quot; < ! quot; << ! quot; << <