pressure orifice

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• Orifice plate — Flat plate, sharp edge orifice ISO 5167 Orifice Plate An orifice plate is a device used for measuring the volumetric flow rate. It …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Miss Shilling's orifice — The Rolls Royce Merlin engine originally came with a direct carburettor, prone to fuel starvation in negative G. Miss Shilling s Orifice was a very simple technical device made to counter engine cut out in early Spitfire and Hurricane fighter… …   Wikipedia

• Calibrated orifice — A calibrated orifice is a restriction that is deliberately placed into a system of pipes to set the flow rate through the system. The orifice may be designed to produce proportional flow (as in the jet in a carburetor), or choked flow (as in a… …   Wikipedia

• urethral pressure profile — (UPP) a record of the resistance of the urethra to fluid flow, measured as variations in urethral pressure (q.v.). A liquid or gas is pumped into the bladder with a catheter in place and the catheter is slowly withdrawn while measurements are… …   Medical dictionary

• blast orifice — Blast Blast (bl[.a]st), n. [AS. bl[=ae]st a puff of wind, a blowing; akin to Icel. bl[=a]str, OHG. bl[=a]st, and fr. a verb akin to Icel. bl[=a]sa to blow, OHG. bl[^a]san, Goth. bl[=e]san (in comp.); all prob. from the same root as E. blow. See… …   The Collaborative International Dictionary of English

• High-pressure steam — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… …   The Collaborative International Dictionary of English

• Low-pressure steam — Steam Steam (st[=e]m), n. [OE. stem, steem, vapor, flame, AS. ste[ a]m vapor, smoke, odor; akin to D. stoom steam, perhaps originally, a pillar, or something rising like a pillar; cf. Gr. sty ein to erect, sty^los a pillar, and E. stand.] 1. The… …   The Collaborative International Dictionary of English

• bleed orifice — A calibrated orifice used in a fluid power system to allow a controlled flow of fluid into the system when it is in operation. When the system is not in operation, all of the pressure is bled off through the bleed orifice …   Aviation dictionary

• head pressure — [1] Pressure which exists in condensing side of refrigerating system. [2] Force caused by the weight of a column or body of fluids. Expressed in feet, inches, or psi. [3] Refrigerant pressure in the lines and condenser between the discharge reed… …   Dictionary of automotive terms

• cycling clutch orifice tube system — (CCOT) the GM system that utilizes an accumulator (instead of a receiver drier). The system uses a fixed orifice tube located at the evaporator outlet, instead of an expansion valve. A thermostatic switch or a pressure sensing switch cycles… …   Dictionary of automotive terms