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Mass Flow Rate (m ):
In absence of any mass getting stored system we can write; Mass flow rate at inlet = Mass flow rate at outlet
That is, mf1 = mf2
as mf = density X volume flow rate = density X Area X velocity = .A.V
1.A1.V1 = 2.A2.V2
or, mf = A1.V1/ 1 = A2.V2/ ν2; Where: ν1, ν2 = specific volume
Q. 13: Derive steady flow energy equation
Sol: Since the steady flow process is that in which the condition of fluid flow within a control volume do not vary with time, that is the mass flow rate, volume, pressure, work and rate of heat transfer are not the function of time.
That is, for steady flow
(dm/dt)entrance = (dm/dt)exit ;
that is, dm/dt = constant
dP/dt = dV/dt = d /dt = dEchemical = 0
Performance of Heat engine: Performanc e of HP: It is measured by thermal efficiency that is the degree of useful conversion of heat received into work.
Q. What is meant by dynamically induced emf and statically induced emf? On what factors do these depend? Derive eq. for these two emfs. Sol. Dynamically induced emf:
Answer for solving this equation 4ydx+xdy=0
what is soundness of casting.
how to find mass of sleeve in porter governor
The extent of a hazardous area depends on the rate of release, ventilation conditions, and fluid properties and is defined by the relevant regional or country standards. The pot
Universal Support of Data Types To address inherent functional incompatibilities, we take the exact opposite route to the 'least common denominator' approach of previous soluti
Two kg Ammonia (mA) at PA = 300 kPa and TA = -10ºC and 1 kg Ammonia (mB) at PB = 300 kPa and TB = 100ºC are mixed in a constant pressure and adiabatic process. Find the following:
Limit of proportionality: Limit of proportionality is the stress at which the stress - strain diagram ceases to be a straight line that is, stress at which the extension ceas
(a) Draw P-H and T-S diagrams for following cases : (3) (i) Cycle with superheated vapour before compression. (ii) Cycle with sub-cooling or under-cooling of refrigerant.
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