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  • Specific Gravity Measurement
    Specific gravity is the heaviness of a substance compared to that of water, and it is expressed without units. In the metric system specific gravity is the same as in the English system. If something is 7.85 times as heavy as an equal volume of water (such as iron is) its specific gravity is 7.85
  • gravity lensing
    . In astronomy we tend to take little pictures of a specific area of the sky with lots of detail. To photograph the entire galactic bulge, we'd have to take hundreds of pictures and combine them, " said DePoy. "But if you stepped out in your back yard at night and looked in the direction of the bulge
  • Maintaining signal integrity in measurement and control
    at a lower location,. the chamber is incomplete, that local temperature may. the impulse line from the tank top can be fil ed with a. not be representative of the temperature of the material. suitable liquid of higher specific gravity to maintain a. elsewhere in the chamber. constant pressure
  • Wall Shear Stress Measurements in Two-Phase Flow using PIV, an Optical Sensor, and Wall Pressure Transducer (.pdf)
    . small diameters range from 6 to 9 µm with specific gravity of 1.01 close to water’s specific gravity. The scattered laser light from the seeding particles was recorded using a CCD Kodak Megaplus camera, Model. ES 1.0, 1008 x 1018 pixels. The viewing area was 1.28 cm2 and was located close to the upper
  • Storage Tanks - Liquid Measurement and Leak Detection Using Reed Switch Technology
    the interface level between two different liquids, such as water and gasoline. This type of application requires the use of different float configurations on the switch. For example, a low signal can be obtained when the float designed for a water specific gravity (SG) is at the desired level
    . Knowing that water has a specific gravity of 1.00, the. hydrostatic head pressure and gas pressure reading at. The most common method of getting an accurate level. the base of the tank or on the high side of the DP would. measurement in this application is to utilize a Differential. total: 9 FT WC
  • How to Choose Float Switch Devices for Level Measurement
    be compared with individual specification sheets for compatibility. Checklist for Determining Proper Float Switch for Level Measurement. FLUID. 1. Type. 2. Temperature (maximum and minimum). 3. Specific gravity. 4. Conductivity. 5. Viscosity. 6. Corrosiveness. 7. Precipitation of solids. 8. Adherence
  • Flare Gas Measurement and Recovery of Fuel Feed Gas with Residual Oxygen Calorimetry
    This paper describes a flameless gas calorimeter that measures CARI Index, Wobbe Index, calorific value, and specific gravity in a real-time basis. The flare or fuel feed gases are oxidized in a catalytic converter and the residual oxygen from the reaction is correlated to the measurement

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