fan laws
6
with change in RPM(Effect of changing Size, Speed, density on f 1) Q1 = 168 m3/s N1 = 1180 rpm Q2 = 161 m3/s N2 = 809 rpm N1 = 1190 rpm Q1 = 115.5 m3/s N2 = 1140 rpm Q2 = 79 m3/s 2) P1 = 1330 N1 = 1180 rpm P2 = 1250 N2 = 809 rpm N1 = 1190 P1 = 622 mmWC N2 = 1154 P2 = 292 mmWC 3) W1 = 3050 N1 = 1180 rpm W2 = 2845 N2 = 809 rpm N1 = 1190 W1 = 800 kW N2 = 1163 W2 = 257.8 kW (Effect of changing Size, Pressure, density on flow,Speed and p 1) Q1 = D1 = Q2 = D2 = D1 = Q1 = D2 = #DIV/0! Q2 = #DIV/0! 2) N1 = D1 = N2 = D2 = D1 = N1 = D2 = #DIV/0! N2 = #DIV/0! 3) W1 = D1 = W2 = D2 = Note: For all Fans Eff1= Eff2 and Point of Rating1 = Po Q 1 / Q 2≡N 1 / N 2 P 1 / P 2≡( N 1 / N 2 ) ^ 2 W 1 / W 2 ≡( N 1 / N 2 ) ^ 3 W 1 / W 2 ≡( D 1 / D 2 ) ^ 2 Q 1 / Q 2≡( D 1 / D 2 ) ^ 2 N 1 / N 2 ≡( D 2 / D 1 )
description
fan laws
Transcript of fan laws
Sheet1Note: For all Fans Eff1= Eff2 and Point of Rating1 = Point of Rating2with change in RPM(Effect of changing Size, Speed, density on flow pressure and power.)1)Q1 =168m3/sN1 =1180rpmQ1 =D1 =Q2 =161m3/sN2 =809rpmQ2 =D2 =N1 =1190rpmQ1 =115.5m3/sD1 =Q1 =N2 =1140rpmQ2 =79m3/sD2 =0Q2 =02)P1 =1330N1 =1180rpmP1 =D1 =P1 =1 =P2 =1250N2 =809rpmP2 =D2 =P2 =2 =N1 =1190P1 =622mmWCD1 =P1 =1 =P1 =N2 =1154P2 =292mmWCD2 =0P2 =02 =0P2 =03)W1 =3050N1 =1180rpmW1 =D1 =W1 =1 =W2 =2845N2 =809rpmW2 =D2 =W2 =2 =N1 =1190W1 =800kWD1 =W1 =1 =W1 =N2 =1163W2 =257.8kWD2 =0W2 =02 =0W2 =0(Effect of changing Size, Pressure, density on flow,Speed and power.)1)Q1 =D1 =Q1 =15P1 =1015Q1 =1 =Q2 =D2 =Q2 =10P2 =1150Q2 =2 =D1 =Q1 =P1 =2700Q1 =4501 =Q1 =D2 =0Q2 =0P2 =1152Q2 =479.02 =0Q2 =0.02)N1 =D1 =P1 =N1 =N1 =1 =N2 =D2 =P2 =N2 =N2 =2 =D1 =N1 =N1 =P1 =1 =N1 =D2 =0N2 =0N2 =0P2 =02 =0N2 =03)W1 =D1 =W1 =P1 =W1 =1 =W2 =D2 =W2 =P2 =W2 =2 =D1 =W1 =P1 =W1 =1 =W1 =D2 =0W2 =0P2 =0W2 =0.02 =0W2 =0(Effect of changing Size, density and Flow on Speed, Pressure and power.)1)N1 =D1 =Q1 =15N1 =1015N2 =D2 =Q2 =10N2 =1150D1 =N1 =N1 =2700Q1 =450D2 =0N2 =0N2 =1764Q2 =509.92)P1 =D1 =P1 =Q1 =P1 =1 =P2 =D2 =P2 =Q2 =P2 =2 =D1 =P1 =Q1 =P1 =1 =P1 =D2 =0P2 =0Q2 =0P2 =02 =0P2 =03)W1 =D1 =W1 =Q1 =W1 =1 =W2 =D2 =W2 =Q2 =W2 =2 =D1 =W1 =Q1 =W1 =1 =W1 =D2 =0W2 =0Q2 =0W2 =0.02 =0W2 =0
MBD001E5612.unknown
MBD001E561A.unknown
MBD001E561E.unknown
MBD001E5622.unknown
MBD001E5624.unknown
MBD001E5623.unknown
MBD001E5620.unknown
MBD001E5621.unknown
MBD001E561F.unknown
MBD001E561C.unknown
MBD001E561D.unknown
MBD001E561B.unknown
MBD001E5616.unknown
MBD001E5618.unknown
MBD001E5619.unknown
MBD001E5617.unknown
MBD001E5614.unknown
MBD001E5615.unknown
MBD001E5613.unknown
MBD001E560E.unknown
MBD001E5610.unknown
MBD001E5611.unknown
MBD001E560F.unknown
MBD001E560C.unknown
MBD001E560D.unknown
