Basic Concepts of Ventilation Design - GHDonline

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1 Bench Grinder Exhaust <strong>Ventilation</strong> S Ph • Now add the hood entry loss: Duct diameter = 3 inches Area = 0.0668 ft 2 2 3 SP h = VP 2 + h e = VP 2 + (F h ) (VP 2 ) Assume that the hood energy loss factor for this hood is 0.40 V = 4490 fpm • SP h = 1.26 + (0.40) (1.26) = 1.76 in w.g.
Flanged Inlet with Fd = 0.49
Page 1 and 2: Building Design and Engineering App
Page 3 and 4: General Principles of Ventilation
Page 5 and 6: • Supply • Exhaust Types of Sys
Page 8 and 9: • Temperature • Pressure • Ai
Page 10 and 11: Air Conditioning System Water and R
Page 12 and 13: Conversion Factors Quantity To Conv
Page 14 and 15: Q = V . A Conservation of Mass 8 in
Page 16 and 17: Types of Pressure Measurements •
Page 18 and 19: Conservation of Energy • TP = SP
Page 20 and 21: Velocity Pressure & Velocity • V
Page 22 and 23: 1 Bench Grinder Exhaust Ventilation
Page 26 and 27: Flanged Inlet with F d = 0.49
Page 28 and 29: Hood Entry Coefficients C e = (VP/S
Page 30 and 31: Example Problem • V = 4000 fpm Q
Page 32 and 33: Air Flow Characteristics Exhaust Ho
Page 34 and 35: Questions ?
Page 36 and 37: HVAC Systems
Page 43: Questions ?

Basic Concepts of Ventilation Design - GHDonline

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