Ventilation of BuildingsD. Van Nostrand, 1873 - 77 páginas |
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Página 21
... difference between the combustion that goes on within us , and that of an ordinary fire . " We see then of what vital consequence is the pres- ence of oxygen in the atmosphere . Without it fires and lights will not burn , our food will ...
... difference between the combustion that goes on within us , and that of an ordinary fire . " We see then of what vital consequence is the pres- ence of oxygen in the atmosphere . Without it fires and lights will not burn , our food will ...
Página 28
... difference in weight , between columns of air , of equal height , but of the different densities due to difference of tempera- ture between the external air and that in the room . This difference I have assumed to be 30 deg . This ...
... difference in weight , between columns of air , of equal height , but of the different densities due to difference of tempera- ture between the external air and that in the room . This difference I have assumed to be 30 deg . This ...
Página 29
William Frederick Butler. a distance equal to the difference in height between a column of air 10 ft . 6 in . high at 62 deg . , in the case I have assumed , and the same air at 32 deg . This difference will be equal to .643 of a foot ...
William Frederick Butler. a distance equal to the difference in height between a column of air 10 ft . 6 in . high at 62 deg . , in the case I have assumed , and the same air at 32 deg . This difference will be equal to .643 of a foot ...
Página 31
... difference before men- tioned , but may calculate upon the whole height of the chimney , above the opening , through which the foul air enters it , and have the difference between this column of air highly heated as it is , and that of ...
... difference before men- tioned , but may calculate upon the whole height of the chimney , above the opening , through which the foul air enters it , and have the difference between this column of air highly heated as it is , and that of ...
Página 43
... difference in temperature be- tween the inner and outer airs , so in summer it may come to a stop , or be even reversed . This objection is not of much weight , as people are far oftener out in the air in sum- mer , and at night when ...
... difference in temperature be- tween the inner and outer airs , so in summer it may come to a stop , or be even reversed . This objection is not of much weight , as people are far oftener out in the air in sum- mer , and at night when ...
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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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