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A tank with sufficient armour could resist the largest anti-tank guns then in use. RHA was commonly used during this period (combined with other plate alloys and cast steel armour), and the power of anti-tank guns was measured by the thickness of RHA they could penetrate. This standard test has remained in use despite the modern usage of many ...
BS 4994:1987 – Specification for design and construction of vessels and tanks in reinforced plastics. British Standards. 1987-06-30. ISBN 0-580-15075-5. "Pressure Vessel Design Case Study". ESR Technology. Archived from the original on 2007-05-12. — a case study of the design process of a cylindrical vessel, using the BS 4994 methodology
FRP tanks and vessels designed as per BS 4994 are widely used in the chemical industry in the following sectors: chlor-alkali manufacturers, fertilizer, wood pulp and paper, metal extraction, refining, electroplating, brine, vinegar, food processing, and in air pollution control equipment, especially at municipal waste water treatment plants and water treatment plants.
[citation needed] The term isogrid is used because the structure acts like an isotropic material, with equal properties measured in any direction, and grid, referring to the sheet and stiffeners structure. [citation needed] A similar variant is the orthogrid (sometimes called a waffle grid), which uses rectangular rather than triangular openings.
The continuously mixed tank reactor is an open system with an influent stream of reactants and an effluent stream of products. [ 4 ] : 41 A lake can be regarded as a tank reactor, and lakes with long turnover times (e.g. with low flux-to-volume ratios) can for many purposes be regarded as continuously stirred (e.g. homogeneous in all respects).
The hydraulic calculation procedure is defined in the applicable reference model codes such as that published by the US-based National Fire Protection Association (NFPA), [2] or the EN 12845 standard, Fixed firefighting system – Automatic sprinkler systems – Design, installation and maintenance.
The tanks can be equipped with multiple jackets over its surface, including also the tank bottom, e.g. conical or dished, and can include additional cylindrical shells inside the tank. Typical areas of implementation of pillow plate jacketed tanks are in food and beverage industry and in chemical and pharmaceutical industry.
The law states that the speed of efflux of a fluid through a sharp-edged hole in the wall of the tank filled to a height above the hole is the same as the speed that a body would acquire in falling freely from a height , =