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1 injecting gas-oil ratio
Англо-русский словарь нормативно-технической терминологии > injecting gas-oil ratio
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2 injecting gas-oil ratio
* * *Англо-русский словарь нефтегазовой промышленности > injecting gas-oil ratio
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3 injecting gas-oil ratio
Универсальный англо-русский словарь > injecting gas-oil ratio
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4 input gas-oil ratio
Англо-русский словарь нормативно-технической терминологии > input gas-oil ratio
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5 ratio
1. отношение, соотношение, пропорция2. степень; коэффициент— in ratio
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1. отношение; соотношение; пропорция2. степень; коэффициент; показатель
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1. коэффициент, пропорция, отношение2. передаточное число;передача ( зубчатых колес)
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(со)отношение, пропорция; степень; коэффициент; множитель
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1) отношение; соотношение; пропорция2) степень; коэффициент; показатель•- ratio of expansion
- ratio of good product accepted
- ratio of mixture
- ratio of stroke to diameter
- adsorption portion ratio
- air-oil ratio
- amplitude ratio
- associated gas-oil ratio
- atmospheric gas-oil ratio
- availability ratio
- average gas-oil ratio
- best power mixture ratio
- bevel gear ratio
- calculated gas-oil ratio
- catalyst-oil ratio
- catalyst-to-charge ratio
- cetane ratio
- circulated gas oil ratio
- close ratio
- closing ratio
- composite water-oil ratio
- compression ratio
- condensate recovery ratio
- core-to-sludge ratio
- cost-reliability ratio
- critical compression ratio
- cubical elasticity ratio
- cumulative gas-oil ratio
- cumulative gas-water ratio
- current gas-oil ratio
- damage ratio
- dependability ratio
- drum-to-rope ratio
- equipment maintenance ratio
- expansion ratio
- extraction ratio
- failure ratio
- failure mode frequency ratio
- flowing fluid ratio
- flowing gas-oil ratio
- formation gas-oil ratio
- formation-to-mud resistivity ratio
- free-fluid ratio
- fuel ratio
- fuel-air ratio
- fuel-oil consumption ratio
- gas-condensate ratio
- gas-liquid ratio
- gas-oil ratio
- gasoline-oil consumption ratio
- gas-recovery ratio
- gas-water ratio
- gear ratio
- gross gas-oil ratio
- highest useful compression ratio
- initial producing gas-oil ratio
- injected gas-oil ratio
- injecting gas-oil ratio
- injection gas-oil ratio
- input gas-oil ratio
- instantaneous gas-oil ratio
- instantaneous producing water-oil ratio
- interfacial viscosity ratio
- invariable gas-oil ratio
- jack ratio
- life ratio
- maintenance ratio
- maintenance cost ratio
- mean-life ratio
- Mills ratio
- mixture ratio
- mobility ratio
- mortality ratio
- net cumulative produced gas-oil ratio
- oil-steam ratio
- oil-water ratio
- open ratio
- operating gas-oil ratio
- output gas ratio
- output gas-oil ratio
- pressure ratio
- producing gas-oil ratio
- producing water-oil ratio
- propane-oil ratio
- ram ratio
- recovered gas-oil ratio
- recovery ratio
- recycle ratio
- reflux-to-product ratio
- reliability-cost ratio
- reserves-production ratio
- reservoir gas-oil ratio
- reservoir volume ratio
- saturation ratio
- serviceability ratio
- signal-to-noise ratio
- slenderness ratio
- solution gas-oil ratio
- spectral ratio
- spread ratio
- standardized mortality ratio
- stock tank gas-oil ratio
- stratification ratio
- stress-strength ratio
- summer-winter offtake ratio
- thickness-to-depth ratio
- thickness-to-wavelength ratio
- thickness ratio
- throughput ratio
- total gas-oil ratio
- vapor-liquid ratio
- void ratio
- water ratio
- water-cement ratio
- water-oil ratio
- water-oil ratio in flooding
- water-to-cement ratio* * *• 1) коэффициент; 2) передаточное число -
6 Priestman, William Dent
SUBJECT AREA: Steam and internal combustion engines[br]b. 23 August 1847 Sutton, Hull, Englandd. 7 September 1936 Hull, England[br]English oil engine pioneer.[br]William was the second son and one of eleven children of Samuel Priestman, who had moved to Hull after retiring as a corn miller in Kirkstall, Leeds, and who in retirement had become a director of the North Eastern Railway Company. The family were strict Quakers, so William was sent to the Quaker School in Bootham, York. He left school at the age of 17 to start an engineering apprenticeship at the Humber Iron Works, but this company failed so the apprenticeship was continued with the North Eastern Railway, Gateshead. In 1869 he joined the hydraulics department of Sir William Armstrong \& Company, Newcastle upon Tyne, but after a year there his father financed him in business at a small, run down works, the Holderness Foundry, Hull. He was soon joined by his brother, Samuel, their main business being the manufacture of dredging equipment (grabs), cranes and winches. In the late 1870s William became interested in internal combustion engines. He took a sublicence to manufacture petrol engines to the patents of Eugène Etève of Paris from the British licensees, Moll and Dando. These engines operated in a similar manner to the non-compression gas engines of Lenoir. Failure to make the two-stroke version of this engine work satisfactorily forced him to pay royalties to Crossley Bros, the British licensees of the Otto four-stroke patents.Fear of the dangers of petrol as a fuel, reflected by the associated very high insurance premiums, led William to experiment with the use of lamp oil as an engine fuel. His first of many patents was for a vaporizer. This was in 1885, well before Ackroyd Stuart. What distinguished the Priestman engine was the provision of an air pump which pressurized the fuel tank, outlets at the top and bottom of which led to a fuel atomizer injecting continuously into a vaporizing chamber heated by the exhaust gases. A spring-loaded inlet valve connected the chamber to the atmosphere, with the inlet valve proper between the chamber and the working cylinder being camoperated. A plug valve in the fuel line and a butterfly valve at the inlet to the chamber were operated, via a linkage, by the speed governor; this is believed to be the first use of this method of control. It was found that vaporization was only partly achieved, the higher fractions of the fuel condensing on the cylinder walls. A virtue was made of this as it provided vital lubrication. A starting system had to be provided, this comprising a lamp for preheating the vaporizing chamber and a hand pump for pressurizing the fuel tank.Engines of 2–10 hp (1.5–7.5 kW) were exhibited to the press in 1886; of these, a vertical engine was installed in a tram car and one of the horizontals in a motor dray. In 1888, engines were shown publicly at the Royal Agricultural Show, while in 1890 two-cylinder vertical marine engines were introduced in sizes from 2 to 10 hp (1.5–7.5 kW), and later double-acting ones up to some 60 hp (45 kW). First, clutch and gearbox reversing was used, but reversing propellers were fitted later (Priestman patent of 1892). In the same year a factory was established in Philadelphia, USA, where engines in the range 5–20 hp (3.7–15 kW) were made. Construction was radically different from that of the previous ones, the bosses of the twin flywheels acting as crank discs with the main bearings on the outside.On independent test in 1892, a Priestman engine achieved a full-load brake thermal efficiency of some 14 per cent, a very creditable figure for a compression ratio limited to under 3:1 by detonation problems. However, efficiency at low loads fell off seriously owing to the throttle governing, and the engines were heavy, complex and expensive compared with the competition.Decline in sales of dredging equipment and bad debts forced the firm into insolvency in 1895 and receivers took over. A new company was formed, the brothers being excluded. However, they were able to attend board meetings, but to exert no influence. Engine activities ceased in about 1904 after over 1,000 engines had been made. It is probable that the Quaker ethics of the brothers were out of place in a business that was becoming increasingly cut-throat. William spent the rest of his long life serving others.[br]Further ReadingC.Lyle Cummins, 1976, Internal Fire, Carnot Press.C.Lyle Cummins and J.D.Priestman, 1985, "William Dent Priestman, oil engine pioneer and inventor: his engine patents 1885–1901", Proceedings of the Institution ofMechanical Engineers 199:133.Anthony Harcombe, 1977, "Priestman's oil engine", Stationary Engine Magazine 42 (August).JBBiographical history of technology > Priestman, William Dent
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