00 Resultant Velocity Pressure " wg PERTINENT EQUATIONS: pressure Branch velocity Entry Loss Factors Angle ( * ) Factor Elbow Loss Factors: 10. 00 Corrected Volumetric Flowrate cfm 40. These pressure handy, time- saving forms are designed to simplify industrial ventilation parameter calculations. Velocity Pressure Method Calculation pressure Sheet. Corrected Volumetric Flowrate sheet Corrected Velocity Corrected Velocity Pressure Resultant calculation Velocity Pressure " wg " wg " wg. Use the velocity method sheet ACGIH calc sheet. Transport Velocity V Chap 10 fpm 4 Maximum Duct Diameter ( D= ( ( 4* method 144* calculation Q) / ( pi* V) ). Velocity Pressure Method Calculation Sheet or Q Q SP SP corr design gov duct =. 0 D Q velocity Q V H f sheet = = method FanTP SP SP VP VP out in out in = - + calculation - SP SP VP V 3 1 3 = - velocity - ( sheet Pr). 00 Corrected pressure Velocity Pressure " wg 42. ft 7 Actual Duct Velocity fpm 2 8 Duct Velocity Pres. Velocity pressure method calculation sheet. VP Q Q VP Q Q VP r = FSP SP SP VP outlet inlet calculation inlet = - - 066. Velocity Pressure Calculation Method Duct Segment Identification 1a Type of Duct ( GALV= Galvinzied) ( BLK= Black Iron Al SS) Volumetric Flowrate: ( See Design method Criteria) cfm Minimium Transport Velocity ( See Design Criteria) fpm Duct Diameter ( Round Duct) inches. 00 Corrected Velocity method fpm 41.
1 set = method 25 copies. Method for the calculation of velocity calculation rate of flow viscous drag in arteries when the pressure gradient is known. This will result in a higher velocity sheet ( duct, velocity sheet pressure), elbow, , hence increasing the hood other losses in that branch. 00 Governing Static Pressure method ( at TO location) " wg- 3. Start by decreasing pressure duct diameter by ½ or 1 inch. Chap 10 cfm 3 Min.
Cumulative Static Pressure " wg 3.
Velocity Pressure Calculation Method Duct Segment Identification 1a Type of Duct ( GALV= Galvinzied) ( BLK= Black Iron, Al, SS) Volumetric Flowrate: ( See Design Criteria) cfm Minimium Transport Velocity ( See Design Criteria) fpm Duct Diameter ( Round Duct) inches. Velocity Pressure Method Calculation Sheet OR or Velocity Pressure Method Calculation Sheet OR or 1. XLS] Velocity Pressure Method Calculation viewTitle Velocity Pressure Method Calculation Sheet Subject Industrial Ventilation Author Pam Barnhart Created Date 3/ 2/ 1998 3: 10: 13 AM Other titles With_ Eqns Template Sheet3 Sheet4 Sheet5 Sheet6 Sheet7 Sheet8 Sheet9 Sheet10. Cumulative Static Pressure Governing Static Pressure ( at TO location) Corrected Volumetric Flowrate Corrected Velocity Corrected Velocity Pressure Resultant Velocity Pressure PERTINENT EQUATIONS: Branch Entry Loss Factors Angle ( * ) Factor Elbow Loss Factors: 60* elbow = 2/ 3 loss 45oelbow= 1/ 2 loss 30* elbow= 1/ 3 loss R/ D 90oelbow Other Information. Example of Duct Fitting Loss.
velocity pressure method calculation sheet
= Upstream velocity of fitting H = Height of the duct W = Width of the duct R = Radius of the bend θ = Angle of the radius. Calculate the pressure loss of the duct fitting in a 600mm W x 200mm H duct with a radius of 600mm and a 90° Bend angle.