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  2. Compressor map - Wikipedia

    en.wikipedia.org/wiki/Compressor_map

    Unfortunately this can lead to a poor IP compressor surge margin at part flow. IPC working line, with blow-off valve closed throughout throttle range. Surge margin can be improved by adding variable stators to the IP compressor and/or adding a blow-off valve between the IP and HP compressors. The former makes the IP compressor surge line ...

  3. Axis Direct - Wikipedia

    en.wikipedia.org/wiki/Axis_Direct

    Axis Direct provides a 3-in-1 Online Investment Account [2] which is a combination of Axis Bank Savings along with an Axis Direct trading and Demat account services: Equities – Invest online in stocks of listed companies; Mutual Funds – Invest in mutual funds including equity, hybrid, tax saving or debt schemes from asset management companies

  4. Reactances of synchronous machines - Wikipedia

    en.wikipedia.org/wiki/Reactances_of_synchronous...

    Andre Blondel in 1899 proposed in his paper "Empirical Theory of Synchronous Generators" the two reactions theory that divided the armature magnetomotive force (MMF) into two components: the direct axis component and the quadrature axis component. The direct axis component is aligned with the magnetic axis of the rotor, while the quadrature (or ...

  5. Direct energy conversion - Wikipedia

    en.wikipedia.org/wiki/Direct_energy_conversion

    A much shorter device than the Traveling-Wave Direct Energy Converter has been proposed in 1997 and patented by Tri Alpha Energy, Inc. as an Inverse Cyclotron Converter (ICC). [20] [21] The ICC is able to decelerate the incoming ions based on experiments made in 1950 by Felix Bloch and Carson D. Jeffries, [22] in order to extract their kinetic ...

  6. Method of image charges - Wikipedia

    en.wikipedia.org/wiki/Method_of_image_charges

    The method of image charges (also known as the method of images and method of mirror charges) is a basic problem-solving tool in electrostatics.The name originates from the replacement of certain elements in the original layout with fictitious charges, which replicates the boundary conditions of the problem (see Dirichlet boundary conditions or Neumann boundary conditions).

  7. Spark spread - Wikipedia

    en.wikipedia.org/wiki/Spark_spread

    Let D: dark spread, E: electricity price, C: coal cost, Nc: number of carbon credits necessary to cover coal operation (2–2.5x that of gas), Pcc: price of a carbon credit. Then, Clean dark spread = E - C - Nc*Pcc = D - Nc*Pcc Climate spread: The difference between the dark green spread and the spark green spread is known as the "Climate Spread".

  8. Axis–angle representation - Wikipedia

    en.wikipedia.org/wiki/Axis–angle_representation

    The angle θ and axis unit vector e define a rotation, concisely represented by the rotation vector θe.. In mathematics, the axis–angle representation parameterizes a rotation in a three-dimensional Euclidean space by two quantities: a unit vector e indicating the direction of an axis of rotation, and an angle of rotation θ describing the magnitude and sense (e.g., clockwise) of the ...

  9. Cost-plus pricing - Wikipedia

    en.wikipedia.org/wiki/Cost-plus_pricing

    Ultimately, the $54 markup price is the shop's margin of profit. Cost-plus pricing is common and there are many examples where the margin is transparent to buyers. [ 4 ] Costco reportedly created rules to limit product markups to 15% with an average markup of 11% across all products sold. [ 5 ]