A fixed control volume has three one-dimensional boundary sections, as shown. The flow within the control volume is steady. The flow properties at each section are tabulated below. Find the rate of change of energy of the system which occupies the control volume at this instant. Section Туре P. kg/m V, m/s A, m2 e, J/kg 1 Inlet 800 5.0 2.0 300 2 Inlet 800 8.0 3.0 100 3 Outlet 800 17.0 2.0 150 3 CV

A fixed control volume has three one-dimensional boundary sections, as shown. The flow within the control volume is steady. The flow properties at each section are tabulated below. Find the rate of change of energy of the system which occupies the control volume at this instant. Section Туре P. kg/m V, m/s A, m2 e, J/kg 1 Inlet 800 5.0 2.0 300 2 Inlet 800 8.0 3.0 100 3 Outlet 800 17.0 2.0 150 3 CV

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Unit Conversion

Standard units are also called SI units. SI units are used for measuring a physical quantity satisfying certain conditions. There are two types of units: fundamental units and derived units. Fundamental units are physical quantities that are independent, that is, they do not depend on other quantities like mass, length, or time. There are plenty of quantities in our lives which need to be measured and compared. Measuring is the comparison of a particular physical quantity with its reference value. A unit is a measure of a fixed physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.

Question

A fixed control volume has three one-dimensional boundary
sections, as shown. The flow within the control volume is steady.
The flow properties at each section are tabulated below. Find the
rate of change of energy of the system which occupies the control
volume at this instant.
Section
Туре
P, kg/m³
V, m/s
A, m2
e, J/kg
1
Inlet
800
5.0
2.0
300
2
Inlet
800
8.0
3.0
100
3
Outlet
800
17.0
2.0
150
CV
2

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