Pulsation motion of Newton liquid in flat channels has begun to be investigated as a result of the development of the liquid mechanics. The function of the pressure gradient due to time is given on mathematic modeling of pulsation motion of liquid and as a result, the rest of dimension mill be defined in relating to time. While investigating the process of Navier-Stokes, it is made lazier incessant equation according to the usage of their replacement of the tasks. For this, the terms, which are given in the systems of the equations are transformed into new dimensions and the value of the terms, which are contrasted with each other is defined in the system of equation. The terms, which have acquired boundless small quantity is omitted without counting. This article discusses the pulsating fluid flows in the flat tube. Here it is determined the dependency of the speed of the pulsating movement of fluid on the vibration parameter.
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