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  • Air Flow Calibration

    This calculator is used to set the air flow rate through a grain bin equipped with an aeration fan. It assumes that the air flow can be controlled with baffles, spill gates or variable fan speed. It requires an air flow meter or anemometer. This calculator determines the air speed needed at the top collar of bin in order to achieve the desired air flow rate (CFM/bu Cubic Feet per Minute per bushel).

  • Doppler Effect in sound

    Calculation of frequency and wavelength change for a moving source

  • Meters per second and kilometers per hour

    This simple calculator convert meters per second to kilometers per hour and vice versa

  • Nautical measurement units

    Nautical mile, sea mile, cable

Space object velocity

It calculates the circular orbital velocity, escape velocity and planetary system escape velocity for the given planet parameters.

PLANETCALC, Space object velocity

Space object velocity

in Earth's masses


Digits after the decimal point: 2

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