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  2. Compressor map - Wikipedia

    en.wikipedia.org/wiki/Compressor_map

    A compressor map is a chart which shows the performance of a turbomachinery compressor. This type of compressor is used in gas turbine engines, for supercharging reciprocating engines and for industrial processes, where it is known as a dynamic compressor. A map is created from compressor rig test results or predicted by a special computer program.

  3. Atlas Copco - Wikipedia

    en.wikipedia.org/wiki/Atlas_Copco

    Atlas Copco (Copco from Compagnie Pneumatique Commerciale) is a Swedish multinational industrial company that was founded in 1873. [7] It manufactures industrial tools and equipment. The Atlas Copco Group is a global industrial group of companies headquartered in Nacka , Sweden .

  4. Compressor characteristic - Wikipedia

    en.wikipedia.org/wiki/Compressor_characteristic

    Compressor characteristic is a mathematical curve that shows the behaviour of a fluid going through a dynamic compressor. It shows changes in fluid pressure , temperature , entropy , flow rate etc.) with the compressor operating at different speeds.

  5. List of crude oil products - Wikipedia

    en.wikipedia.org/wiki/List_of_crude_oil_products

    U.S. Energy Information Administration: World Crude Oil Prices Archived 2008-11-10 at the Wayback Machine; BP Crude Grades; Intertek: Crude Oil Grades and Types; MeGlobalOil: Carriage of Heavy Grade Oil; Statoil.com: Crude oil assays; EnergyIntel.com: The Crude Oils and their Key Characteristics; Capline system crude oil properties and quality ...

  6. Compressor - Wikipedia

    en.wikipedia.org/wiki/Compressor

    Model XASS from Atlas Copco circa 1985. Natural gas compressor at a gas well High pressure reciprocating compressor from Belliss and Morcom, used in the bottling industry. A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. NLGI consistency number - Wikipedia

    en.wikipedia.org/wiki/NLGI_consistency_number

    Grades 0, 1 and 2 are used in highly loaded gearing. Grades 1 through 4 are often used in rolling contact bearings . Greases with a higher number are firmer, tend to stay in place and are a good choice when leakage is a concern.

  9. Overall pressure ratio - Wikipedia

    en.wikipedia.org/wiki/Overall_pressure_ratio

    The compressor pressure ratio is the ratio of the stagnation pressures at the front and rear of the compressor of a gas turbine. Overall pressure ratio in a high-bypass turbofan is a function of inlet pressure ratio and compressor pressure ratio: O P R = I P R × C P R {\displaystyle OPR=IPR\times CPR}