Prob 9-28 Solution Tutorial Engineering 25 Prob 9-28 Solution Tutorial Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege.edu

Prob 9-28 Ref Example 9.3-3

Prob 9-28

Prob 9-28

Prob 9-28

Prob 9-28

The MATLAB Code Find tdrain,max = 25250

The MATLAB Code Find tdrain,max = 25250

The SphereTank Function The MATLAB Code Find tdrain,max = 25250 The SphereTank Function

h(t) Result Slope looks about Constant over about 5-20 kSec

dh/dt by Central Diff h = 2.5 ft at about 12 kSec Slope are quite close to those Calculated on Paper Slope near t = 0 is about -3.9 Slope near h = 2.5’ is about -1.6