List out the characteristics of steady state steady flow.
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The characteristics of steady state steady flow process are;
i) A steady state process is defined as a process during which a fluid flows through a control volume steadily.
ii) At a steady state of a system, any thermodynamic property will have a fixed value at a particular location and will not alter with time. Therefore, volume, mass, and total energy content of the control volume remain constant during a steady state process.
iii) During steady state process, no intensive or extensive properties within the control volume change with time.
iv) The boundary work transfer is zero for steady state system and the total mass or energy entering a control volume must be equals total mass or energy leaving it.
v) The fluid properties at an inlet or an outlet remain constant during a steady state process. The properties may be different at different inlets and outlets. They might vary over the cross section of an inlet or an outlet. However, all properties including velocity and elevation must remain constant with time at a fixed point at an inlet or an outlet. It follows that mass flow rate of fluid at an opening must remain constant during a steady state process.
vi) The fluid properties at an opening are usually considered to be uniformed over the cross section. Thus, the fluid properties at an inlet or an outlet may be specified by the average single values.
vii) The heat and work interactions between a steady state process and its surroundings do not change with time. Hence, power delivered by a system remains constant during a steady state process.