(2005) Орел, Вадим Ігорович; Національний університет "Львівська політехніка"
The change of pressure on sudden narrowing of a round pipe is better described by the square-law in the formula (9) is determined. The linear dependence of inclination of a vector of the average speed in section of entrance in sudden narrowing of a pipe (β) from the area of ratio of circular section tubes (m) is offered.
