06.09.2021 Views

Basics of Fluid Mechanics, 2014a

Basics of Fluid Mechanics, 2014a

Basics of Fluid Mechanics, 2014a

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

68 CHAPTER 3. REVIEW OF MECHANICS<br />

Table -3.2. Moment <strong>of</strong> inertia for various plane surfaces about their center <strong>of</strong> gravity<br />

Shape<br />

Name<br />

Picture<br />

description<br />

x c , y c A Ixx<br />

r<br />

Quadrant<br />

<strong>of</strong> Circle<br />

XX<br />

4r<br />

3 π<br />

4 r<br />

3 π<br />

πr 2<br />

4<br />

r 4 ( π 16 − 4<br />

9π )<br />

r<br />

Ellipsoidal<br />

Quadrant<br />

XX<br />

b<br />

4b<br />

3 π<br />

4 b<br />

3 π<br />

πab<br />

4<br />

ab 3 ( π 16 − 4<br />

9π )<br />

Half <strong>of</strong><br />

Elliptic<br />

XX<br />

a<br />

b<br />

4b<br />

3 π<br />

4 b<br />

3 π<br />

πab<br />

4<br />

ab 3 ( π 16 − 4<br />

9π )<br />

a<br />

Circular<br />

Sector<br />

XX<br />

α<br />

α<br />

r<br />

0 2αr 2 r4 4 (α− 1 2<br />

sin 2α)<br />

Circular<br />

Sector<br />

XX<br />

r<br />

α α 2r sin α<br />

3 α<br />

2 r sin α<br />

3<br />

α<br />

2αr 2 I x ′ x ′ =<br />

r 4 4 (α+ 1 2 sin 2α)

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!