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## Fluid Mechanics

by: Yesenia Hansen

60

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0

# Fluid Mechanics AME 30331

Yesenia Hansen
ND
GPA 3.64

Philippe Sucosky

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COURSE
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Philippe Sucosky
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## Popular in Aerospace Engineering

This 0 page Class Notes was uploaded by Yesenia Hansen on Sunday November 1, 2015. The Class Notes belongs to AME 30331 at University of Notre Dame taught by Philippe Sucosky in Fall. Since its upload, it has received 60 views. For similar materials see /class/232721/ame-30331-university-of-notre-dame in Aerospace Engineering at University of Notre Dame.

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Date Created: 11/01/15
AME 30331 Fall 09 HYDROSTATIC FORCE ON A PLANE SURFACE PROBLEM STATEMENT Consider a gate plane surface submerged in a fluid What is the resultant hydrostatic force FR acting on the gate What are the coordinates lcxc of the center of pressure gate plane surface H I center of pressure 1 x5 5 PROCEDURE To CALCULATE THE RESULTANT PRESSURE FORCE Step 1 Determine the pressure distribution in the fluid using dp i dz pg Step 2 Find the resultant force by integration over the surface At a depth 2 the pressure exerts a differential force dF over the element of surface dA szpcM Therefore FR 2 fa p dA PROCEDURE To CALCULATE THE COORDINATES OF THE CENTER OF PRESSURE Step 1 Choose a point that will be used as an origin to calculate the moment of the pressure force eg the origin of the coordinate system AME 30331 Fall 09 Step 2 Calculate the moment exerted by the resultant pressure force F about the point R chosen in step 1 moment force x momentofarm MI FRxlC H l center of pressure x 5 Step 3 Calculate the moment resulting from all the moments produced by the infinitesimal forces dF along the surface of the submerged body d 42delpdAl Therefore M2 2quot fa p dAl center of pressure x 5 Step 4 Solve for C by setting the equality M1 2442

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