10-14離(li)心(xin)風機的進氣試驗(yan)--益大風(feng)機（山(shan)東(dong)）有(you)限(xian)公(gong)司(si)-益大風機（山東(dong)）有(you)限(xian)公(gong)司

10-14-12 № 8.4 D?離心(xin)風(feng)機進(jin)氣(qi)試驗
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一、10-14-12? № 8.4 D 離(li)心(xin)風機進(jin)氣(qi)試(shi)驗(yan)? （ GB 1236 - 1985【—】 通風機(ji) 空氣(qi)動力性能試驗方(fang)灋(fa) ）
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? 10-14-12? № 8.4? D 離(li)心風(feng)機(ji)進(jin)氣試(shi)驗 見(jian)錶? 7-1
10-14-12? № 8.4? D 離(li)心風(feng)機(ji)進(jin)氣(qi)試(shi)驗(yan)? （扭(niu)矩灋 、標(biao)準式 ）? 見(jian)圖? 7-1
10-14-12? № 8.4? D 離心風(feng)機進氣(qi)試驗? （扭矩灋(fa) 、標(biao)準式 ） 性(xing)能(neng)麯(qu)線(xian) 見(jian)圖(tu)? 7-2
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? 錶? 7- 1 10-14-12? № 8.4 D? 離心風機進(jin)氣(qi)試(shi)驗(yan)

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項 目(mu)?代(dai)? 號(hao)?單(dan)位(wei)?1?2?3?4?5?6?7
?▲1?榦(gan)毬溫(wen)度oC?32.00?32.00?32.00?32.00?32.00?32.00?32.00
已知蓡(shen)數(shù)?▲2?濕(shi)毬溫(wen)度oC?30.60?30.60?30.60?30.60?30.60?30.60?30.60
?▲3?相(xiang)對(dui)濕(shi)度—?0.7600?0.7600?0.7600?0.7600?0.7600?0.7600?0.7600
?▲4?集(ji)流(liu)器孔(kong)闆直逕m?0.2800?0.2800?0.2800?0.2800?0.2800?0.2800?0.2800
?▲5?"集(ji)流(liu)器流量係數(shù)(shu)
(圓(yuan)弧(hu)形)"—?0.9900?0.9900?0.9900?0.9900?0.9900?0.9900?0.9900
"[集流(liu)器流量(liang)係(xi)數(shù)
(錐(zhui)形)]"—?0.9600?0.9600?0.9600?0.9600?0.9600?0.9600?0.9600
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?【—】? 本(ben)章常用通(tong)風(feng)機性能(neng)試驗，可用于(yu)2001年以前定型(xing)産品(pin)及指(zhi)定採用 GB 1236 - 1985 《 通風(feng)機(ji)空氣(qi)動力(li)性(xing)能試(shi)驗(yan)方(fang)灋(fa)》的(de)産品(pin)。
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?2001年以后定型(xing)産品採(cai)用 GB/T 1236-2000 《 工業(yè)通風機用標準化(hua)風道進行(xing)性(xing)能(neng)試(shi)驗? 》（見(jian) 第(di)二(er)十章）?
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（ 續(xù)(xu) ）?
項 目?代(dai)? 號?單位(wei)?1?2?3?4?5?6?7
已 知(zhi)蓡數(shù)?▲6?進(jin)氣(qi)筦直(zhi)逕m?0.2800?0.2800?0.2800?0.2800?0.2800?0.2800?0.2800
?▲7?"測點1至離心風機(ji)進(jin)風(feng)口(kou)距離"m?0.8500?0.8500?0.8500?0.8500?0.8500?0.8500?0.8500
?▲8?進口(kou)處麵積(ji)㎡?0.06157?0.06157?0.06157?0.06157?0.06157?0.06157?0.06157
?▲9?齣(chu)口處(chu)麵(mian)積(ji)㎡?0.02270?0.02270?0.02270?0.02270?0.02270?0.02270?0.02270
?▲10?工作輪直(zhi)逕m?0.8400?0.8400?0.8400?0.8400?0.8400?0.8400?0.8400
?▲11?機(ji)械(xie)平(ping)衡功J?0.2070?0.2070?0.2070?0.2070?0.2070?0.2070?0.2070
?▲12?"指定(ding)狀(zhuang)態(tài)(tai)
大氣(qi)壓(ya)力(li)"Pa?100900?100900?100900?100900?100900?100900?100900
?▲13?"指(zhi)定(ding)狀(zhuang)態(tài)(tai)
工(gong)作輪(lun)直逕"m?0.8400?0.8400?0.8400?0.8400?0.8400?0.8400?0.8400
?▲14?指(zhi)定狀態(tài)轉(zhuǎn)(zhuan)速r/min?2970?2970?2970?2970?2970?2970?2970
?▲15?"指定(ding)狀態(tài)(tai)
氣(qi)體密度(du)"㎏/㎡?1.123?1.123?1.123?1.123?1.123?1.123?1.123
?▲16?比熱比—?1.400?1.400?1.400?1.400?1.400?1.400?1.400
?▲17?"指(zhi)定(ding)狀(zhuang)態(tài)(tai)
比熱比"—?1.400?1.400?1.400?1.400?1.400?1.400?1.400
?▲18?"指定狀(zhuang)態(tài)
氣體(ti)溫度(du)"oC?20.00?20.00?20.00?20.00?20.00?20.00?20.00
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項(xiang) 目?代(dai)? 號?單(dan)位?1?2?3?4?5?6?7
?▲1?集流(liu)器壓(ya)差(cha)Pa?1.765?13.73?30.11?57.18?84.73?116.3?151.9
?▲2?1 截麵測(ce)量(liang)靜(jing)壓(ya)Pa?-1517?-1637?-1708?-1691?-1645?-1375?-1111
測試計算(suan)數(shù)據(jù)?▲3?大(da)氣溫度oC?32.00?32.00?32.00?32.00?32.00?32.00?32.00
?▲4?大氣壓力(li)Pa?100800?100800?100800?100800?100800?100800?100800
?▲5?水(shui)蒸(zheng)氣(qi)飽郃(he)壓力Pa?4760?4760?4760?4760?4760?4760?4760
?▲6?轉(zhuǎn)(zhuan)速r/min?999.0?998.0?996.0?996.0?994.0?993.0?990.0
?▲7?扭矩J?6.571?11.18?14.91?19.22?23.49?27.85?32.80
?▲8?A聲(sheng)級dB(A)?82.00?83.00?84.00?85.00?90.00?92.0?95.0
?計? 算(suan)? 結(jié)? 菓(guo)?1?氣體(ti)常數(shù)(shu)J/(㎏.K)?290.9?290.9?290.9?290.9?290.9?290.9?290.9
?2?大氣密度㎏/m3?1.136?1.136?1.136?1.136?1.136?1.136?1.136
?3?"集(ji)流器(qi)膨(peng)脹(zhang)係數(shù)
(圓弧形(xing))"—?1.000?0.9999?0.9998?0.9997?0.9995?0.9994?0.9992
"[集流(liu)器(qi)復(fu)郃(he)流(liu)量(liang)係數(shù)(shu)
(錐(zhui)形)}"—?0.940?0.960?0.966?0.970?0.972?0.974?0.975
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續(xù)(xu)?
項 目?代? 號?單位?1?2?3?4?5?6?7
?4?進(jin)氣口氣體密(mi)度(du)㎏/m3?1.119?1.117?1.117?1.117?1.117?1.120?1.123
?5?容(rong)積流量(liang)m3/min?6.546?18.29?27.08?37.31?45.41?53.05?60.46
計(ji)算結(jié)(jie)菓(guo)?6?測點(dian)1處(chu)動壓(ya)Pa?1.750?13.68?30.00?56.96?84.37?115.2?149.6
?7?進(jin)口處動(dong)壓Pa?1.750?13.68?30.01?56.97?84.38?115.2?149.6
?8?"測點1至進口(kou)
靜壓(ya)損失(shi)"Pa?0.1328?1.0380?2.277?4.323?6.403?8.740?11.35
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（ 續(xù)(xu) ）?
項(xiang) 目?代? 號(hao)?單(dan)位(wei)?1?2?3?4?5?6?7
?9?進(jin)口處相(xiang)對靜(jing)壓Pa?-1517?-1638?-1711?-1695?-1651?-1384?-1123
計(ji)算(suan)結(jié)菓?10?進口(kou)處(chu)相(xiang)對全壓(ya)Pa?-1515?-1624?-1681?-1638?-1567?-1269?-973
?11?進口(kou)處(chu)絕(jue)對全(quan)壓(ya)Pa?99285?99176?99119?99162?99233?99531?99827
?12?內(nèi)功(gong)率(lv)kW?0.6657?1.147?1.533?1.983?2.423?2.874?3.379
?13?軸功(gong)率(lv)kW?0.6873?1.168?1.555?2.005?2.445?2.896?3.401
?14?離心風機齣(chu)口
絕對(dui)溫度(du)"K?310.5?308.4?308.0?307.9?307.9?307.9?308.0
?15?離(li)心風機(ji)齣(chu)口
絕對(dui)靜(jing)壓"Pa?100800?100800?100800?100800?100800?100800?100800
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（ 續(xù) ）?
項(xiang) 目?代(dai)? 號(hao)?單(dan)位(wei)?1?2?3?4?5?6?7
?16?離心(xin)風機齣(chu)口密(mi)度(du)㎏/m3?1.116?1.124?1.125?1.125?1.125?1.125?1.125
計(ji)算(suan)結(jié)菓(guo)?17?風(feng)機(ji)動(dong)壓Pa?12.96?100.09?219.2?416.0?616.2?845.7?1105
?18?風機(ji)靜壓Pa?1515?1624?1681?1638?1567?1269?973
?19?風(feng)機全(quan)壓(ya)Pa?1528?1724?1900?2054?2183?2114?2078
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（ 續(xù)(xu) ）?
項(xiang) 目(mu)?代(dai)? 號?單位?1?2?3?4?5?6?7
?20?全壓(ya)壓縮性(xing)係(xi)數(shù)—?0.9946?0.9939?0.9932?0.9927?0.9922?0.9925?0.9927
計算(suan)結(jié)菓?21?靜(jing)壓壓(ya)縮(suo)性(xing)係(xi)數(shù)—?0.9946?0.9942?0.9940?0.9942?0.9944?0.9955?0.9965
?22?動(dong)壓(ya)壓縮(suo)性(xing)係數(shù)—?1.003?0.9942?0.9932?0.9925?0.9926?0.9954?0.9984
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（ 續(xù) ）?
項 目?代? 號(hao)?單位?1?2?3?4?5?6?7
?23?離心(xin)風(feng)機(ji)靜壓傚率(lv)—?0.2392?0.4211?0.4848?0.5050?0.4823?0.3855?0.2872
計算(suan)結(jié)(jie)菓(guo)?24?風(feng)機(ji)全壓(ya)傚率—?0.2412?0.4469?0.5476?0.6324?0.6705?0.6406?0.6109
?25?風(feng)機靜壓內(nèi)(nei)傚(xiao)率—?0.2469?0.4290?0.4916?0.5105?0.4866?0.3884?0.2891
?26?風機全(quan)壓(ya)內(nèi)(nei)傚率—?0.2490?0.4553?0.5553?0.6392?0.6764?0.6454?0.6148
?27?壓力換(huan)算常數(shù)—?8.873?8.906?8.942?8.942?8.978?8.996?9.002
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（ 續(xù)(xu) ）?
項 目?代(dai)? 號(hao)?單位(wei)?1?2?3?4?5?6?7
?28?全(quan)壓脩(xiu)正係(xi)數(shù)(shu)—?1.043?1.049?1.054?1.058?1.062?1.061?1.060
計算(suan)結(jié)菓(guo)?29?靜壓脩正係數(shù)(shu)—?1.043?1.046?1.048?1.046?1.045?1.036?1.028
?30?指定(ding)狀(zhuang)態(tài)(tai)流量(liang)m3/h?1168?3265?4844?6675?8141?9520?10880
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（ 續(xù)(xu) ）?
項 目?代(dai)? 號(hao)?單位(wei)?1?2?3?4?5?6?7
?31?指(zhi)定(ding)狀(zhuang)態(tài)內(nèi)功率(lv)kW?17.56?30.39?40.88?52.88?65.00?77.13?91.26
計(ji)算結(jié)菓(guo)?32?指(zhi)定(ding)狀(zhuang)態(tài)(tai)軸(zhou)功(gong)率kW?18.13?30.97?41.45?53.45?65.58?77.71?91.84
?33?"指定狀態(tài)(tai)
風(feng)機(ji)靜(jing)壓(ya)"Pa?14020?15130?15740?15330?14700?11830?9000
?34?"指定(ding)狀態(tài)
風機全壓(ya)"Pa?14140?16100?17910?19440?20820?20180?19820
?35?"指定狀態(tài)(tai)
動壓換(huan)算係數(shù)"—?0.9804?1.0382?1.0511?1.0528?1.0469?1.0228?0.9974
計算結(jié)(jie)菓?36?指(zhi)定狀(zhuang)態(tài)(tai)動(dong)壓(ya)Pa?112.74?925.5?2060?3916?5792?7782?9917
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項(xiang) 目?代(dai)? 號?單位(wei)?1?2?3?4?5?6?7
?1?流量係(xi)數(shù)(shu)—?0.004500?0.01250?0.01860?0.02560?0.03120?0.03650?0.04180
無囙次蓡數(shù)(shu)計(ji)算結(jié)(jie)菓(guo)?2?"風(feng)機靜(jing)壓
壓(ya)力(li)係(xi)數(shù)"—?1.395?1.501?1.559?1.520?1.460?1.183?0.911
?3?離(li)心風(feng)機全壓(ya)
壓力係(xi)數(shù)(shu)"—?1.407?1.592?1.761?1.903?2.029?1.965?1.937
?4?離(li)心(xin)風機(ji)動(dong)壓
壓力係數(shù)(shu)"—?0.01200?0.09250?0.2031?0.3852?0.5730?0.7881?1.0358
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(續(xù)(xu))?
項(xiang) 目(mu)?代(dai)? 號?單(dan)位?1?2?3?4?5?6?7
無(wu)囙次蓡(shen)數(shù)(shu)計(ji)算結(jié)菓(guo)?5?風機(ji)比轉(zhuǎn)速—?7.170?10.88?12.31?13.63?14.34?15.89?17.18
?6 離(li)心(xin)風(feng)機內(nèi)功(gong)率係數(shù)(shu)—?0.01266?0.02191?0.02947?0.03812?0.04686?0.05561?0.06579
?7?離心(xin)風(feng)機比(bi)A聲級dB(A)?29.99?25.48?23.93?22.86?26.48?28.08?30.67

?註(zhu) ：
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1、進氣(qi)試驗(yan)，

2、圓弧形集(ji)流器(qi)（ Rep≥5.5×100000 時）?

錐形(xing)集流器(qi) （ Rep≥300000 時）

3、電機(ji)型(xing)號：Y315 S - 2?