Ventilation of BuildingsD. Van Nostrand, 1873 - 77 páginas |
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Página 17
... cubic ft . of air , while the same weight of hydrogen requires 473 cubic feet . From these facts it will be seen that the different fuels mentioned above will take for their proper combustion the follow- ing minimum quantities of air ...
... cubic ft . of air , while the same weight of hydrogen requires 473 cubic feet . From these facts it will be seen that the different fuels mentioned above will take for their proper combustion the follow- ing minimum quantities of air ...
Página 18
William Frederick Butler. sumed in that period , or 2.46 ft . per minute , or 2,072 cubic ft . per day of 14 hours . These , as I have said , are minimum quantities . In practice , at least double must be allowed , as a large percentage ...
William Frederick Butler. sumed in that period , or 2.46 ft . per minute , or 2,072 cubic ft . per day of 14 hours . These , as I have said , are minimum quantities . In practice , at least double must be allowed , as a large percentage ...
Página 19
... cubic ft . per hour , and the amount of air at 36 cubic ft . per hour . Now a room 25 ft . long by 16 ft . broad , and 10 ft . 6 in . high , will contain 4,200 cubic ft . of air , but a deduction must be made for furniture , etc. , of ...
... cubic ft . per hour , and the amount of air at 36 cubic ft . per hour . Now a room 25 ft . long by 16 ft . broad , and 10 ft . 6 in . high , will contain 4,200 cubic ft . of air , but a deduction must be made for furniture , etc. , of ...
Página 20
... cubic ft . , or say 3,800 , as the net quantity of air in the room . Such a room will require at least three gas burners to light it , and these , as we have seen , will consume 108 cubic ft . of air per hour , rendering it absolutely ...
... cubic ft . , or say 3,800 , as the net quantity of air in the room . Such a room will require at least three gas burners to light it , and these , as we have seen , will consume 108 cubic ft . of air per hour , rendering it absolutely ...
Página 23
... cubic ft . of air at 62 deg . Fahr . We thus see that to be in good health a man must have 215 cubic ft . of air per hour for his own use . Sick persons require very much more than this . ( D. ) There is one more source of contam ...
... cubic ft . of air at 62 deg . Fahr . We thus see that to be in good health a man must have 215 cubic ft . of air per hour for his own use . Sick persons require very much more than this . ( D. ) There is one more source of contam ...
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Ventilation of Buildings: A Paper Read Before the Society of Civil and ... William Frederick Butler Visualização completa - 1873 |
Termos e frases comuns
acid and water air flue air per hour believe burners called carbon and hydrogen carbonic acid carpenter cause cerned cesspool charcoal chimney cisterns coal coal gas cold air common fire commonly consider cubic ft defective densities Desaguliers difference difficulty efficient ventilation elements enter escape exit factories foul air foul gas foul gases fresh air furnace heated heavier house drains inlets intending tenants James Johnson Joist landlord light means mechanical ventilation mentioned nitrogen outer air oxide oxygen pass persons Portland cement presence pump putrid quantity of air railways readily result revolutions per minute sanitary matters sanitary science sewage sewerage sewers sideration simple bodies siphon Sir Jacob soil speculative builder stations sulphuretted hydrogen Sulphurous Acid supply thermo-ventilation thing tion town trap tubes tunnels valve ventilating pipe VENTILATION OF BUILDINGS wall want of ventilation water-closet wire gauze
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