Mass flow rate - thermodynamics, Mechanical Engineering

Assignment Help:

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

 


Related Discussions:- Mass flow rate - thermodynamics

Explain gear forming, Explain Gear Forming In gear form cutting, cuttin...

Explain Gear Forming In gear form cutting, cutting edge of the cutting tool has a shape similar with the shape of the space among the gear teeth. Two machining operations, mill

Kinematics in one and two dimensions , A person climbs up a escalator in 60...

A person climbs up a escalator in 60s . When he stands on it , then he is carried in the moving escalator in 30s . How much time will he take in climbing up in a moving escalator?

Types of cooling system , Types of Cooling System: Two types of cooling sy...

Types of Cooling System: Two types of cooling system are used in two wheelers. (a) Natural air-cooling. (b) Forced air-cooling.

Reinforced earth walls, Reinforced Earth Walls: When constructing ROB...

Reinforced Earth Walls: When constructing ROBs, fly-overs and underpasses, it is often not possible to provide sloped earthen embankments for the approaches, which are as hig

Fatigue loading on materials, what are the factors that affecting the fatig...

what are the factors that affecting the fatigue behaviour of materials?

#, parameters in designing a presure vessels

parameters in designing a presure vessels

What is drilling machine, What is drilling machine The machine used for...

What is drilling machine The machine used for drilling is called drilling machine. The drilling operation can also be accomplished in lathe, in which the drill is held in ta

Submerged arc welding, SUBMERGED ARC WELDING The optimum performance of w...

SUBMERGED ARC WELDING The optimum performance of welded vessels and structures in service have led to the full exploitation of automatic welding processes. This arc welding is on

Scope of materials for sulfuric acid service, Q. Scope of Materials for sul...

Q. Scope of Materials for sulfuric acid service? This Engineering Practice presents materials of construction commonly used in Sulfuric Acid service. The corrosiveness of sulfu

Show the corrosion mechanisms, Q. Show the corrosion mechanisms? The fo...

Q. Show the corrosion mechanisms? The following corrosion mechanisms are likely to happen in the Oil Treating Unit: Under Deposit Corrosion and MIC Since cooling e

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd