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2. Pulse-width modulation - Wikipedia

   en.wikipedia.org/wiki/Pulse-width_modulation

   Direct torque control is a method used to control AC motors. It is closely related with the delta modulation (see above). Motor torque and magnetic flux are estimated and these are controlled to stay within their hysteresis bands by turning on a new combination of the device's semiconductor switches each time either signal tries to deviate out ...

3. Flow distribution in manifolds - Wikipedia

   en.wikipedia.org/wiki/Flow_distribution_in_manifolds

   A generalized model of the flow distribution in channel networks of planar fuel cells. Similar to Ohm's law, the pressure drop is assumed to be proportional to the flow rates. The relationship of pressure drop, flow rate and flow resistance is described as Q 2 = ∆P/R. f = 64/Re for laminar flow where Re is the Reynolds number.

4. Flow coefficient - Wikipedia

   en.wikipedia.org/wiki/Flow_coefficient

   Flow coefficient. The flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across an orifice valve or other assembly and the corresponding flow rate . Mathematically the flow coefficient Cv (or flow-capacity rating of valve) can be expressed as. where.

5. Wormhole switching - Wikipedia

   en.wikipedia.org/wiki/Wormhole_switching

   Wormhole switching. Wormhole flow control, also called wormhole switching or wormhole routing, is a system of simple flow control in computer networking based on known fixed links. It is a subset of flow control methods called Flit-Buffer Flow Control. [1] : . Chapter 13.2.1.

6. Price tag for California’s controversial Delta tunnel ... - AOL

   www.aol.com/news/price-tag-california...

   A coalition including Restore the Delta, tribes and other organizations filed a formal protest petition Tuesday with the State Water Resources Control Board, arguing the project is “unlawful and ...

7. Direct digital control - Wikipedia

   en.wikipedia.org/wiki/Direct_digital_control

   Direct digital control is the automated control of a condition or process by a digital device (computer). Direct digital control takes a centralized network-oriented approach. All instrumentation is gathered by various analog and digital converters which use the network to transport these signals to the central controller. The centralized computer then follows all of its production rules ...