Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 29
f the Bourdon type issubstituted for the tube. The reading obtained by the use of a piezometer placed in a pipe of uniform cross sectionthroughout its entire length with free discharge to the atmosphere is the head lost by friction be-yond the point of attachment of the piezometer. The Pitot Tube… … Fig. 1. Fig. 2. than the reading obtained by the piezometer by an amount equal to the head required to producethe velocity of flow. The height of the column is the total head at the point of measurement. The difference between the readings obtained by the Pitot tube and the piezometer is…
Building · Heating · Ventilation
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