Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers . Fig. 22 MEASUREMENT OF AIR KLUW 465 IG. Operating device for main air supply damijer for audi- 17. Operating device for main vent damper. 18. Operating device for main air supply damper for corri-dors and coat Fig. 23 466 MEASUREMENT OF AIR FLOW Fig. 23. Installed by Rud. Otto Meyer, Hamburg, in the theatrein Cassel, Germany, by courtesy of Mr. Schiele. 1, 2. Long distance thermometers. 3, 4. Contact points for same to give different temperature inbuilding. 5. Manometer for audience blower. 6. Ma
Transactions - American Society of Heating, Refrigerating and Air-Conditioning Engineers . Fig. 22 MEASUREMENT OF AIR KLUW 465 IG. Operating device for main air supply damijer for audi- 17. Operating device for main vent damper. 18. Operating device for main air supply damper for corri-dors and coat Fig. 23 466 MEASUREMENT OF AIR FLOW Fig. 23. Installed by Rud. Otto Meyer, Hamburg, in the theatrein Cassel, Germany, by courtesy of Mr. Schiele. 1, 2. Long distance thermometers. 3, 4. Contact points for same to give different temperature inbuilding. 5. Manometer for audience blower. 6. Manometer for stage. 7. Manometer for main duct to orchestra. 8. Manometer for main duct to stage. 9. Manometer for pressure maintained in theatre. 10 to 16. Indicators showing opening of valves and dampersfor the various parts of building. GAUGES AND MICRO-MANOMETERS In order to secure the correct pressure exerted by the mov-ing air, particularly the so-called velocity pressure, it is abso-lutely necessary to have a good gauge or manometer. An aircurrent moving at a velocity of ten feet per second will exertonly a pressure of 2gx83 p = —7, = Q „^ -, ^—^ = .0225 inches of water ^ v- y 2 X x 83 On the other hand, an air current of eleven feet velocity persecond (an increase of 10%
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Keywords: ., bookcentury1800, bookdecade1890, bookidtransactions, bookyear1895
