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

Determine the lateral shift-sketch the beams, Transmission Through a LiNb0 ...

Transmission Through a LiNb0 3 Plate Examine the transmission of an unpolarized He-Ne laser beam (λ o = 633 nm) normally incident on a LiNb0 3 plate (ne = 2.29, no = 2.20) of th

Steam and power generation equipment, Q. Steam and Power Generation Equipme...

Q. Steam and Power Generation Equipment? Locating steam and power generation equipment outside of the process areas ensures that critical facilities feeding major portions of t

Locomotive boiler, What are the advantages and disadvantaged of locomotive ...

What are the advantages and disadvantaged of locomotive boilers

What do you mean by extrusion, Q. What do you mean by extrusion? • Ex...

Q. What do you mean by extrusion? • Extrusion is a process used to create objects of a fixed cross-sectional profile. A material is pushed or drawn through a die of the desir

Steel rule-measuring tools , Steel Rule: A steel rule is used to measure l...

Steel Rule: A steel rule is used to measure length. It has two scales - in millimeters and inches. These rules are available in market in discrete lengths such as 15, 30, 60 cms.

Lubrication complaints by repairing of motorcycle , Lubrication Complaints ...

Lubrication Complaints If the engine oil level is too low, check for the following things: External oil leaks Worn out piston rings Worn out valve guide and/o

Maximum stress in the beam due to bending, For the beam shown below, we nee...

For the beam shown below, we need to determine: (i)  the support reactions R L and R R (ii) the shear force and bending moment diagrams (iii) the maximum stress in the b

Metals and melting practices - ladle, Metals and Melting Practices - Ladle,...

Metals and Melting Practices - Ladle, Limestone,Ore,Sinter Ladle : A big bucket utilized as a carrier for molten metal. Limestone : A Blast Furnace raw material that elimi

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