Basic Concepts of Ventilation Design - GHDonline

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Types of Pressure Measurements • Static Pressure (S P) potential energy bursting or collapsing can be + or – measured perpendicular to flow • Velocity Pressure (V P) kinetic energy accelerates from 0 to some velocity Exerted in direction of flow always + • Total Pressure (T P) combined static & velocity components measure of energy content of air stream can be + or - Always decreasing as flow travels downstream thru a system only rising when going across a fan
TP = SP + VP TP SP _ + _ + VP +
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 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 24 and 25: 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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