1 / 15

Fluid Measurement For incompressible fluid

keona
Télécharger la présentation

Fluid Measurement For incompressible fluid

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. Fluid Measurement (For incompressible fluid) by Ashfaq Md. Ansery

    2. Rotameter

    3. Rotameter cont. It consists of a gradually a tapered glass tube mounted vertically in a frame with the larger end up The fluid flows upward through the tapered tube and suspends freely a float

    4. Rotameter cont Float The float is the indicating element and the greater the flow rate, the higher the float rides in the tube Floats may be constructed of metals of various densities from lead to aluminum or from glass or plastic. Stainless Steel floats are common

    5. Rotameter cont The tube is marked in divisions, and the reading of the meter is obtained from the scale reading at the reading age of the float, which is taken at the largest cross section of the float

    6. Theory (Rotameters)

    7. Theory (Cont) FDgc = mfg (1-?/?f) FD = Af CD ? umax2/2gc Q =umax p/4 (Dt2 Df2)

    8. Pitot Tube Several devices are available which measure velocity of flow at a specific location rather than the average velocity. Pitot tube is one of them

    9. Pitot Tube cont When a moving fluid is caused to stop because it encounters a stationary object, a pressure is created which is greater than the pressure of the fluid stream. The magnitude of this increased pressure is related to the velocity of the moving fluid

    10. Pitot Tube cont The pitot tube uses this principle to indicate velocity

    11. Theory (Pitot Tube)

    12. Measurement of Pressure Piezometer Manometer Bourdon gage and Mechanical Transducer Electrical Transducer

    13. Reference Chapter 12, Fluid Measurements FLUID MECHANICS with Engineering Applications (SI Metric Addition) Robert L. Daugherty Joseph B. Franzini E. John Finnemore

    14. Reference cont Chapter 8, Transportation and Metering of Fluids, Page: 223-226 and 229-231 Unit Operations of Chemical Engineering (Fifth Edition) Warren L. McCabe Julian C. Smith Peter Harriot

    15. Reference cont Chapter 15, Flow Measurement, Page 455-458 Applied Fluid Mechanics (5th Edition) Robert L. Mott

More Related