Chemical Engineering - Fluid Mechanics - Discussion
Discussion Forum : Fluid Mechanics - Section 15 (Q.No. 33)
33.
With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss
Discussion:
2 comments Page 1 of 1.
Lokesh B said:
4 years ago
NOTE:
Increasing the ratio and increasing the orifice diameter is different.
In the case of ratio, increases remain constant.
In case only the diameter of the orifice increases pressure drop decreases.
Increasing the ratio and increasing the orifice diameter is different.
In the case of ratio, increases remain constant.
In case only the diameter of the orifice increases pressure drop decreases.
(3)
Chemenzer said:
1 decade ago
Low beta ratio means the plate has a smaller hole i.e. pressure loss will be higher. This may cause higher size of pump and more money.
3. Higher beta ratio increases the discharge coefficient uncertainty. Higher beta ratio means low differential pressure across your orifice and sometimes may be difficult to measure.
4. Higher beta ratio needs longer straight length.
3. Higher beta ratio increases the discharge coefficient uncertainty. Higher beta ratio means low differential pressure across your orifice and sometimes may be difficult to measure.
4. Higher beta ratio needs longer straight length.
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