## Articles Posted in the " Flow Measurement " Category

• ### INTERVIEW SHORT QUESTION ANSWERS ON FLOW MEASUREMENT

INTERVIEW SHORT QUESTION ANSWERS ON FLOW MEASUREMENT Define circulation. How is it different from vorticity? Circulation Circulation is defined as line integral of the tangential velocity about a closed path (contour). It is a scalar quantity. Its symbol is ɼ. Vorticity It is the tendency of a fluid particle to rotate or spin at a particular point. Vorticity […]

• ### INTERVIEW SHORT QUESTION ANSWERS ON RESSURE DROP

INTERVIEW SHORT QUESTION ANSWERS ON PRESSURE DROP   1. What is difference between Darcy and Fanning equations for the pressure drop in a fluid flow? Darcy friction factor is four times the Fanning friction factor. Darcy friction factor is also called as Moody friction factor or Blasius friction factor.  laminar flow, Darcy friction factor = fD= […]

• ### INTERVIEW SHORT QUESTION ANSWERS WEIRS -NOTCHES

INTERVIEW SHORT QUESTION ANSWERS ON WEIRS-NOTCHES 1. Define a Weir. State the difference between a notch and a weir. A weir is a concrete or masonry structure which is constructed across a river to raise the water level or divert its flow or control the rate of flow or measure the rate of water flow. Or It […]

• ### FLOW MEASURING METERS

FLOW MEASURING METERS The followings are the most common criterion’s for fluid flow meter. (i) Differential Pressure Flow meters (ii) Velocity Flow meters (iii) Positive Displacement Flow meters (iv) Mass Flow meters (v) Open Channel Flow meters Differential Pressure Flow meters Pressure drop is created by inserting obstructions in the flow. Then Bernoulli’s Equation is used to […]