,,,,,,,,,,,,,,,,,,,,,,,,

,,,,,,需要自己填入?yún)?shù)的表格,,,,,,,,,,,,,,,,,

,,,,,,需要注意替換的表格,,,,,,,,,,,,,,,,,

,,,,,,需要注意的表格,,,,,,,,,,,,,,,,,

,,,,,,可不填寫表格,,,,,,,,,,,,,,,,,

,,,,,提醒,提醒字體,,,,,,,,,,,,,,,,,

,,,,,R22冷媒,,,,,R407C冷媒,,,,,R134a冷媒,,,,,R410A冷媒,,,

,,,,,恒溫恒濕空調(diào),,水冷柜機,,熱水機,恒溫恒濕空調(diào),,水冷柜機,,熱水機,恒溫恒濕空調(diào),,水冷柜機,,熱水機,恒溫恒濕空調(diào),,水冷柜機,

序號,項目,結(jié)果,單位,,水冷,風(fēng)冷,水冷,風(fēng)冷,空氣源,水冷,風(fēng)冷,水冷,風(fēng)冷,空氣源,水冷,風(fēng)冷,水冷,風(fēng)冷,空氣源,水冷,風(fēng)冷,水冷,風(fēng)冷

1,請根據(jù)制冷劑的類型和系統(tǒng)的設(shè)計工況選取合理的制冷劑熱力參數(shù)。過熱度取5℃，過冷度取5℃。制冷循環(huán)在壓焓圖上示意如圖三（附表參數(shù)參考solkan軟件）,,,工況,Te/Tc=5/40℃,Te/Tc=5/50℃,Te/Tc=7/40℃,Te/Tc=7/50℃,Te/Tc=7/60℃,Te/Tc=5/40℃,Te/Tc=5/50℃,Te/Tc=7/40℃,Te/Tc=7/50℃,Te/Tc=7/60℃,Te/Tc=5/40℃,Te/Tc=5/50℃,Te/Tc=7/40℃,Te/Tc=7/50℃,Te/Tc=7/60℃,Te/Tc=5/40℃,Te/Tc=5/50℃,Te/Tc=7/40℃,Te/Tc=7/50℃

2,1點溫度t1,12,℃,,10,10,12,12,12,10,10,12,12,12,10,10,12,12,12,10,10,12,12

3,比焓h1,428.63,kJ/kg,,410.51,410.51,411.24,411.24,411.24,416.61,416.61,417.58,417.58,417.58,405.89,405.89,407.07,407.07,407.07,428.04,428.04,428.63,428.63

6,2點溫度t2,66.19,℃,,69.69,83.91,68.5,82.55,97.03,62.3,75.28,61.49,74.29,87.6,55.2,66.44,54.77,65.84,77.39,67.31,81.44,66.19,80.2

7,比焓h2,462.5,kJ/kg,,443.38,450.58,442.34,449.35,456.69,450.73,458.33,449.82,457.15,464.89,435.91,442.54,435.45,441.86,448.53,463.9,471.65,462.5,470.02

10,3點溫度t3,34.88,℃,,35,45,35,45,55,29.91,40.33,29.91,45.33,55.85,35,45,35,45,55,34.88,44.89,34.88,44.89

11,比焓h3,256.89,kJ/kg,,243.14,256.26,243.14,265.26,270.07,244.31,260.75,244.31,260.75,278.41,249.08,263.9,249.08,263.9,279.32,256.89,275.68,256.89,275.68

14,4點溫度(蒸發(fā)溫度)t4,7,℃,,5,5,7,7,7,5,5,7,7,7,5,5,7,7,7,5,5,7,7

15,比焓h4,256.89,kJ/kg,,243.14,256.26,243.14,265.26,270.07,244.31,260.75,244.31,260.75,278.41,249.08,263.9,249.08,263.9,279.32,256.89,275.68,256.89,275.68

19,據(jù)此可得：,,,,,,,,,,,,,,,,,,,,,,

20,單位壓縮功w0=h2-h1,33.87,kJ/kg,,制冷劑,R407C,,,,,,,,,,,,,,,,,

21,單位制冷量q0=h1-h4,171.74,kJ/kg,,蒸發(fā)/冷凝,5/54,,,,,,,,,,,,,,,,,

22,單位冷凝熱qk=h2-h3,205.61,kJ/kg,,,,,,,,,,,,,,,,,,,,

23,設(shè)計風(fēng)量,65000,m3/h,,,,,,,,,,,,,,,,,,,,

24,設(shè)計冷量,400,kW,,,,,,,,,,,,,,,,,,,,

25,本機采用銅管套鋁片蒸發(fā)器，初步確定其結(jié)構(gòu)參數(shù)如下：,,,,,,,,,,,,,,,,,,,,,,

26,每排管管數(shù)N=,192,根;,,,,,,,,,,,,,,,,,,,,

27,管排數(shù)P=,6,排;,,常規(guī)排數(shù)為4、6排，大風(fēng)量小冷量場合可以考慮2排設(shè)計，不建議排數(shù)為奇數(shù)或6排以上的設(shè)計,,,,,,,,,,,,,,,,,,

28,"8流程,分路數(shù)n=",192,;,,,,,,,,,,,,,,,,,,,,

29,片間距e=,0.001814,m;,,每英寸片數(shù)：,14,"常規(guī)排數(shù)為12,14片/in，不建議密度為奇數(shù)",,,,,,,,,,,,,,,,

30,管間距s1=,0.0254,m;,,,,,,,,,,,,,,,,,,,,

31,排間距s2=,0.022,m;,,,,,,,,,,,,,,,,,,,,

32,疊片長度L=,1.6,m;,,,,,,,,,,,,,,,,,,,,

33,銅管內(nèi)徑di=,0.00923,m;,,,,,,,,,,,,,,,,,,,,

34,銅管外徑do=,0.00993,m;,,,,,,,,,,,,,,,,,,,,

35,翅片厚度δ=,0.000115,m;,,,,,,,,,,,,,,,,,,,,

36,則:,,,,,,,,,,,,,,,,,,,,,,

37,每米肋管長的肋片表面積Af=(s1*s2-π*do2/4)*2/e,0.530628545,m2,,,,,,,,,,,,,,,,,,,,

38,每米肋管長的肋片間基管外表面積Ap=π*do*(e-δ)/e,0.029218629,m2,,,,,,,,,,,,,,,,,,,,

39,每米換熱管外表面的換熱面積為A=Af+Ap,0.559847174,m2,,,,,,,,,,,,,,,,,,,,

40,每米換熱管內(nèi)表面的換熱面積為Ai=π*di,0.0289969,m2,,,,,,,,,,,,,,,,,,,,

41,肋化系數(shù)τ=A/Ai,19.30713903,,,,,,,,,,,,,,,,,,,,,

42,肋通系數(shù)（每米肋管外表面積與迎風(fēng)面之比）a=A/s1,22.04122732,,,,,,,,,,,,,,,,,,,,,

43,凈面比（最窄流通斷面積與迎風(fēng)面之比）ε=(s1-do)(e-δ)/s1/e,0.570449656,,,,,,,,,,,,,,,,,,,,,

44,總的換熱面積F=A*總換熱管長,1031.910311,m2,,,,,,,,,,,,,,,,,,,,

45,迎風(fēng)面積Fy=N*s1*L,7.80288,m2,,,,,,,,,,,,,,,,,,,,

46,迎面風(fēng)速Vy=Qf/Fy/3600,2.313960429,m/s,,迎面風(fēng)速，全新風(fēng)按1.2～1.8m/s設(shè)計，全回風(fēng)按≤2.76m/s，混風(fēng)機組按1.8m/s～2.76m/s,,,,,,,,,,,,,,,,,,

47,最小流動截面的風(fēng)速v=Vy/ε,4.056379744,m/s,,,,,,,,,,,,,,,,,,,,

48,空氣流通段面的當(dāng)量直徑de=2*(s1-di)*(e-δ)/((s1-di)+(e-δ)),0.003075383,m,,,,,,,,,,,,,,,,,,,,

49,根據(jù)給定的設(shè)計參數(shù)、室外參數(shù)和進風(fēng)溫度，可以計算蒸發(fā)器進出風(fēng)狀態(tài)點的參數(shù)如下:,,,,工況,普通,全新風(fēng),,,,恒溫恒濕,,,,,,,,,,,,

50,進風(fēng)干球溫度t1,32.7,℃,,,27,35,,,,23,,,,,,,,,,,,

51,進風(fēng)濕球溫度ts1,24.33,℃,,可不填寫,19,28,,,,17,,,,,,,,,,,,

52,進風(fēng)焓i1,72.88,kJ/kg,,,53.55,89.11,,,,47.45,,,,,,,,,,,,

53,出風(fēng)干球溫度t2,20.24,℃,,,根據(jù)出風(fēng)焓i2和可達到的出風(fēng)相對濕度計算(一般情況下建議按90％的出風(fēng)相對濕度),,,,,,,,,,,,,,,,,

54,出風(fēng)濕球溫度ts2,19.11,℃,,可不填寫,根據(jù)出風(fēng)焓i2和可達到的出風(fēng)相對濕度計算(一般情況下建議按90％的出風(fēng)相對濕度),,,,,,,,,,,,,,,,,

55,出風(fēng)焓i2,54.41846154,kJ/kg,,,按客戶參數(shù)反推得到，一般不得修改,,,,,,,,,,,,,,,,,

56,機器露點t3,,℃,,可不填寫,根據(jù)出風(fēng)的絕對濕度和可達到的機器露點對應(yīng)的相對濕度進行反推計算（一般情況下建議按98％的機器露點相對濕度）,,,,,,,,,,,,,,,,,

57,機器露點溫度對應(yīng)的焓i3,,kJ/kg,,可不填寫,根據(jù)出風(fēng)的絕對濕度和可達到的機器露點對應(yīng)的相對濕度進行反推計算（一般情況下建議按98％的機器露點相對濕度）,,,,,,,,,,,,,,,,,

58,則:,,,,,,,,,,,,,,,,,,,,,,

59,達到空氣處理過程所需要的冷卻效率η=(i1-i2)/(i1-i3),0.253314194,,,,,,,,,,,,,,,,,,,,,

60,達到空氣處理過程所需要的制冷量Q0=G*ρ*(i1-i2),400,kW,,,,,,,,,,,,,,,,,,,,

61,空氣處理過程中的析濕系數(shù)ξ=(i1-i2)/1.01(t1-t2),1.466994458,,,,,,,,,,,,,,,,,,,,,

62,空氣的定性溫度ta=(t1+t2)/2,26.47,℃,,,,,,,,,,,,,,,,,,,,

63,"下面利用插值法求21.5℃的空氣的熱物性參數(shù),查有關(guān)資料的20℃和30℃的空氣的熱物性參數(shù)為:",,,,,,,,,,,,,,,,,,,,,,

64,（插值上值溫度）,20,℃,,10,20,,,,,,,,,,,,,,,,,

65,運動粘度系數(shù)ν（插值上值）,0.00001506,m2/s,,0.00001416,0.00001506,,,,,,,,,,,,,,,,,

66,導(dǎo)溫系數(shù)a（插值上值）,0.0000214,m2/s,,0.00002,0.0000214,,,,,,,,,,,,,,,,,

67,導(dǎo)熱系數(shù)λ（插值上值）,0.0259,W/m/℃,,0.0251,0.0259,,,,,,,,,,,,,,,,,

68,密度ρ（插值上值）,1.205,kg/m3,,1.247,1.205,,,,,,,,,,,,,,,,,

69,動力粘度系數(shù)μ（插值上值）,0.0000181,N*s/m2,,0.0000176,0.0000181,0.0000186,,,,,,,,,,,,,,,,

70,（插值下值溫度）,30,℃,,20,30,,,,,,,,,,,,,,,,,

71,運動粘度系數(shù)ν（插值下值）,0.000016,m2/s,,0.00001506,0.000016,,,,,,,,,,,,,,,,,

72,導(dǎo)溫系數(shù)a（插值下值）,0.0000229,m2/s,,0.0000214,0.0000229,,,,,,,,,,,,,,,,,

73,導(dǎo)熱系數(shù)λ（插值下值）,0.0267,W/m/℃,,0.0259,0.0267,,,,,,,,,,,,,,,,,

74,密度ρ（插值下值）,1.165,kg/m3,,1.205,1.165,,,,,,,,,,,,,,,,,

75,動力粘度系數(shù)μ（插值下值）,0.0000186,N*s/m2,,,,,,,,,,,,,,,,,,,,

76,則21℃的空氣的相關(guān)熱物性參數(shù)為:,,,,,,,,,,,,,,,,,,,,,,

77,運動粘度系數(shù)ν,1.56682E-05,m2/s,,,,,,,,,,,,,,,,,,,,

78,導(dǎo)溫系數(shù)a,2.23705E-05,m2/s,,,,,,,,,,,,,,,,,,,,

79,導(dǎo)熱系數(shù)λ,0.0264176,W/m/℃,,,,,,,,,,,,,,,,,,,,

80,密度ρ,1.17912,kg/m3,,,,,,,,,,,,,,,,,,,,

81,動力粘度系數(shù)μ,1.84235E-05,N*s/m2,,,,,,,,,,,,,,,,,,,,

82,管外空氣側(cè)的計算:,,,,,,,,,,,,,,,,,,,,,,

83,雷諾數(shù)Re=v*de/ν,796.1946999,,,,,,,,,,,,,,,,,,,,,

84,系數(shù)c1=1.36-0.24*Re/1000,1.168913272,,,,,,,,,,,,,,,,,,,,,

85,l/de,42.92148133,,,,,,,,,,,,,,,,,,,,,

86,系數(shù)c2=0.518-2.315*(l/de)/100+4.25*(l/de)2/10000-3*(l/de)3/1000000,0.070108715,,,,,,,,,,,,,,,,,,,,,

87,指數(shù)n=-0.28+0.08*Re/1000,-0.216304424,,,,,,,,,,,,,,,,,,,,,

88,指數(shù)m=0.45+0.0066*l/de,0.733281777,,,,,,,,,,,,,,,,,,,,,

89,管外空氣側(cè)換熱系數(shù)αw=c1*c2*(λ/de)*(l/de)n*Rem,50.21569583,W/m2/℃,,,,,,,,,,,,,,,,,,,,

90,蒸發(fā)器能達到的冷卻效率η'=1-exp(-αw*a*P/cp/ρ/Vy),0.912310681,,,,,,,,,,,,,,,,,,,,,

91,求空氣側(cè)肋管外表面的當(dāng)量放熱系數(shù),,,,,,,,,,,,,,,,,,,,,,

92,m=(2ξαw/λf/δ)0.5,79.34468677,,,,,,,,,,,,,,,,,,,,,

93,l=(a*s1/2-ro)(1+0.805lg(a*s1/2/ro))正六邊形肋片a=1.065,0.011559786,,,,,,,,,,,,,,,,,,,,,

94,濕工況下的肋片效率ηf=th(ml)/ml,0.789977888,,,,,,,,,,,,,,,,,,,,,

95,空氣側(cè)肋管外表面的當(dāng)量放熱系數(shù)αae=1.1ξαw(ηfAf+Ap)/A,64.90230112,W/m2/℃,,,,,,,,,,,,,,,,,,,,

96,計算管內(nèi)換熱系數(shù)αb=0.95Bqi0.6g0.2di-0.2,,,,,,,,,,,,,,,,,,,,,,

97,"插值法求蒸發(fā)溫度為7.2℃時的系數(shù)A,按文獻1的表7-10",,,,,,,,,,,,,,,,,,,,,,

98,10,1.54,10℃時,,,,,,,,,,,,,,,,,,,,

99,-10,1.22,-10℃時,,,,,,,,,,,,,,,,,,,,

100,7,1.492,,,,,,,,,,,,,,,,,,,,,

101,熱流密度qi=制冷量/管內(nèi)換熱面積,7484.037644,W/m2,,,,,,,,,,,,,,,,,,,,

102,