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  2. Difference engine - Wikipedia

    en.wikipedia.org/wiki/Difference_engine

    The design has the same precision on all columns, but in calculating polynomials, the precision on the higher-order columns could be lower. A difference engine is an automatic mechanical calculator designed to tabulate polynomial functions. It was designed in the 1820s, and was first created by Charles Babbage.

  3. Cooling load temperature difference calculation method

    en.wikipedia.org/wiki/Cooling_load_temperature...

    The CLTD/CLF/SCL (cooling load temperature difference/cooling load factor/solar cooling load factor) cooling load calculation method was first introduced in the 1979 ASHRAE Cooling and Heating Load Manual (GRP-158) [1] The CLTD/CLF/SCL Method is regarded as a reasonably accurate approximation of the total heat gains through a building envelope ...

  4. Cummins F Series engine - Wikipedia

    en.wikipedia.org/wiki/Cummins_F_series_engine

    The Cummins F Series is a family of inline four diesel engines produced by American manufacturer Cummins. [ 1 ] [ 2 ] It is used in light commercial vehicles such as Otokar Centro . [ 3 ]

  5. Chudnovsky algorithm - Wikipedia

    en.wikipedia.org/wiki/Chudnovsky_algorithm

    The Chudnovsky algorithm is a fast method for calculating the digits of π, based on Ramanujan's π formulae.Published by the Chudnovsky brothers in 1988, [1] it was used to calculate π to a billion decimal places.

  6. Honda J engine - Wikipedia

    en.wikipedia.org/wiki/Honda_J_engine

    The J-series is a 60° V6 unlike Honda's existing 90° C-series engines. Also unlike the C series, the J-series was specifically and only designed for transverse mounting. It has a shorter bore spacing (98 mm (3.86 in)), shorter connecting rods and a special smaller crankshaft than the C-series to reduce its size.

  7. Matsubara frequency - Wikipedia

    en.wikipedia.org/wiki/Matsubara_frequency

    To produce simple poles on boson frequencies =, either of the following two types of Matsubara weighting functions can be chosen () = = = (+ ()),() = = (),depending on which half plane the convergence is to be controlled in. () controls the convergence in the left half plane (Re z < 0), while () controls the convergence in the right half plane (Re z > 0).

  8. Ferrari Tipo F163 engine - Wikipedia

    en.wikipedia.org/wiki/Ferrari_Tipo_F163_engine

    The Tipo F163 BC is a 3.0 L, 120°, twin-turbo V6 engine; that has a maximum output of 663 PS (654 hp; 488 kW) at 8,000 rpm, in combination with a 167 PS (165 hp; 123 kW) electric motor.

  9. Mean time between failures - Wikipedia

    en.wikipedia.org/wiki/Mean_time_between_failures

    The Mil-HDBK-217 reliability calculator manual in combination with RelCalc software (or other comparable tool) enables MTBF reliability rates to be predicted based on design. A concept which is closely related to MTBF, and is important in the computations involving MTBF, is the mean down time (MDT). MDT can be defined as mean time which the ...