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  2. List of conversion factors - Wikipedia

    en.wikipedia.org/wiki/List_of_conversion_factors

    = 8.4 6 × 10 −5 m/s 2: foot per minute per second: fpm/s ≡ 1 ft/(min⋅s) = 5.08 × 10 −3 m/s 2: foot per second squared: fps 2: ≡ 1 ft/s 2 = 3.048 × 10 −1 m/s 2: gal; galileo: Gal ≡ 1 cm/s 2 = 10 −2 m/s 2: inch per minute per second: ipm/s ≡ 1 in/(min⋅s) = 4.2 3 × 10 −4 m/s 2: inch per second squared: ips 2: ≡ 1 in/s 2 ...

  3. Darcy (unit) - Wikipedia

    en.wikipedia.org/wiki/Darcy_(unit)

    A medium with a permeability of 1 darcy permits a flow of 1 cm 3 /s of a fluid with viscosity 1 cP (1 mPa·s) under a pressure gradient of 1 atm/cm acting across an area of 1 cm 2. Typical values of permeability range as high as 100,000 darcys for gravel, to less than 0.01 microdarcy for granite. Sand has a permeability of approximately 1 darcy ...

  4. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    An Olympic-size swimming pool holds over 2 acre-feet of water For larger volumes of liquid, one measure commonly used in the media in many countries is the Olympic-size swimming pool. [47] A 50 m × 25 m (164 ft × 82 ft) Olympic swimming pool, built to the FR3 minimum depth of 2 metres (6.6 ft) would hold 2,500 m 3 (660,000

  5. Template:Convert - Wikipedia

    en.wikipedia.org/wiki/Template:Convert

    Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...

  6. R-value (insulation) - Wikipedia

    en.wikipedia.org/wiki/R-value_(insulation)

    If the interior of a home is at 20 °C and the roof cavity is at 10 °C then the temperature difference is 10 °C (or 10 K). Assuming a ceiling insulated to RSI 2.0 (R = 2 m 2 ⋅K/W), energy will be lost at a rate of 10 K / (2 K⋅m 2 /W) = 5 watts for every square meter (W/m 2) of ceiling. The RSI-value used here is for the actual insulating ...

  7. List of aircraft engines - Wikipedia

    en.wikipedia.org/wiki/List_of_aircraft_engines

    Bristol BRJ.2/5 16in M2 ramjet. Used on early Red Duster. Known to the MoS as BT.1 Thor; Bristol BRJ.3 16in M2 ramjet. Fitted with NGTE combustor and used on XRD. Rated at 100,000 lbf (440 kN) at M3, Ø = 16 in (41 cm) Bristol BRJ.4/1 16in M2 ramjet. Used on early Red Duster and Bloodhound I. Known to the MoS as BT.2 Thor; Bristol BRJ.5/1 16in ...

  8. Solar thermal energy - Wikipedia

    en.wikipedia.org/wiki/Solar_thermal_energy

    The 500-megawatt (MW) SCE/SES plant would extract about 2.75% of the radiation (1 kW/m 2; see Solar power for a discussion) that falls on its 4,500 acres (18.2 km 2). [73] For the 50 MW AndaSol Power Plant [ 74 ] that is being built in Spain (total area 1.95 km 2 ; ¾ sq. mi.) gross conversion efficiency comes out at 2.6%.

  9. Candela per square metre - Wikipedia

    en.wikipedia.org/wiki/Candela_per_square_metre

    The candela per square metre (symbol: cd/m 2) is the unit of luminance in the International System of Units (SI). The unit is based on the candela , the SI unit of luminous intensity , and the square metre , the SI unit of area .