How can you implement permeability test, Mechanical Engineering

Assignment Help:

Q. How can you implement Permeability test 

As already defined, permeability of porosity of the moulding sand is the message of its ability to permit air to flow through it. It is measured in terms of "Permeability number." In this test, a test specimen of moulding sand (50.8 mm dia. × 50.8 mm long) is placed in a tube. Time taken for 2000 cm3 of air at a pressure of 10 g/cm3  to pass through the specimen is noted. Then, the permeability number is given as:

P = V × h

p ×A× t

Where,                   P = Permeability number

V = Volume of a air passing through test

Specimen

h = Height of specimen p = Pressure of air

A = Cross-sectional area of specimen

t = time taken by air to flow through the

Specimen

Under standard conditions, the formula becomes

P   = 2000 × 5.08

10 × ?/4 × (5.08)2 × t

= 50.128/t


Related Discussions:- How can you implement permeability test

Rotational to linear, A hinged object hangs on the outside of a rotating wh...

A hinged object hangs on the outside of a rotating wheel. When the object is in the six o''clock position, it needs to be rotated 180 degrees using only the rotational power of the

.fluid mechanics., to find a horizontal force acting on a body which is inc...

to find a horizontal force acting on a body which is inclined to the plane with a particular angle

Evaluate indicated power, (a) Following consideration were recorder during ...

(a) Following consideration were recorder during a test on a single cylinder oil engine : Bore = 300 mm; speed =300 r.p.r.; stroke = 450 mm;  net break load = 1.5KN;

Introduction to fuel cell technology workshop , Introduction There was...

Introduction There was a power point presentation on Hydrogen fuel, Hydrogen production using electrolyzer and solar energy and solar energy.Topics like Alternative Energy Sys

Force equilibrium equation, When you arrive at Duke's Dude Ranch, you are g...

When you arrive at Duke's Dude Ranch, you are greeted by the large wooden sign shown.  The left end of the sign is held in place by a bolt and the right end is tied to a rope that

Arc blow, ARC BLOW In certain cases depending upon where the return pa...

ARC BLOW In certain cases depending upon where the return path connections are given for the arc current, the arc may be deflected towards a direction of weaker electro magnet

Explain Machining allowance, Can you show us - Overall length of external s...

Can you show us - Overall length of external surfaces, cm In image Material Cast Overall length of external surfaces, cm 0 to 30 30 to 60 60 to 105 1

Mechanical, mostly what aspects trouble mechanical engineers?

mostly what aspects trouble mechanical engineers?

Thermodynamic, what is the difference between intrinsic and extrinsic proce...

what is the difference between intrinsic and extrinsic process?

Compound stress, Compound Stress: Define Compound Stress. Sol.: ...

Compound Stress: Define Compound Stress. Sol.:   Simple stresses mean tensile stress or compressive stress or shear stress. The tensile and compressive stresses act on p

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