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The most common international unit for the MVTR is g/m 2 /day, or "metric perm". In the USA, g/100in 2 /day is also in use, which is 0.064516 (approximately 1/15) of the value of g/m 2 /day units. Typical rates in aluminium foil laminates may be as low as 0.001 g/m 2 /day, whereas the rate in fabrics can measure up to several thousand g/m 2 /day.
Q = (6 ft) × (3.088) × (3 ft) × 1.5 = 96 ft 3 /s Parshall flume submerged flow example problem: Using the Parshall flume flow equations and Tables 1-3, determine the flow type (free flow or submerged flow) and discharge for a 36-inch flume with an upstream depth, Ha of 1.5 ft and a downstream depth, H b of 1.4 ft.
As an inherent consequence of adopting a jet engine, it was not an economical aircraft to operate, being inferior in this aspect to the An-2 that the M-15 had been envisioned to succeed. [4] In contrast, the M-15 could only achieve a range of 215 nautical miles, half that of the An-2, largely due to its jet engine and relatively high weight.
In 2023, the aircraft received its official designation as X-65. [4] In January 2024, DARPA and Aurora started CRANE Phase 3, building the first full-scale X-65 aircraft using active flow control actuators for primary flight control. [5] [6] The 7,000-pound X-65 will be rolled out in early 2025 with the first flight planned for summer of 2025. [7]
[2] Correct operation of the petrochemical process plant is achieved through the action of control loops. [1] These automatically maintain and control the pressure, temperature, liquid level and flowrate of fluid in vessels and piping. Control loops compare the measured value of a parameter on the plant, eg. pressure, with a pre-determined set ...
[3] [4] The vehicle's armor was up to 12 mm thick, and the vehicle weighed 10 short tons (9.1 t). [1] The suspension was leaf spring on the front axle and vertical volute spring for the tracks. A 386-cubic inch (6.330 cc) White 160AX, 128-horsepower (95 kW), 6-cylinder gasoline engine gave the M15 a power-to-weight ratio of 15.8 horsepower per ...
A metering pump moves a precise volume of liquid in a specified time period providing an accurate volumetric flow rate. [1] Delivery of fluids in precise adjustable flow rates is sometimes called metering. The term "metering pump" is based on the application or use rather than the exact kind of pump used, although a couple types of pumps are ...
[2] Liquid level floats can also be constructed with thermoplastic corrosion-resistant materials. These materials include PVC, polypropylene and PVDF. An example of an application that would require such materials would be if a manufacturer of metal plating and metal finishing lines required continuous level measurement of their chromic acid tanks.