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This helps to compute pumping energy and cost and then model various types of valves, including shutoffs, check pressure regulating and flow control. EPANET's water quality modeling functionality allows users to analyze the movement of a reactive or non-reactive tracer material which spreads through the network over time. It tracks the reactive ...
SWMM was first developed between 1969–1971 and has undergone four major upgrades since those years. The major upgrades were: (1) Version 2 in 1973-1975, (2) Version 3 in 1979-1981, (3) Version 4 in 1985-1988 and (4) Version 5 in 2001-2004. A list of the major changes and post-2004 changes are shown in Table 1.
The price of water is increasing, so less water must be wasted and actions must be taken to prevent pipeline leakage. Shutting down the supply service to fix leaks is less and less tolerated by consumers. A sustainable water supply network must monitor the freshwater consumption rate and the waste-water generation rate.
For these reasons, a probabilistic method for pipe network analysis has recently been developed, [1] based on the maximum entropy method of Jaynes. [2] In this method, a continuous relative entropy function is defined over the unknown parameters.
Model 2 may refer to: Boeing Model 2, an American training seaplane designed in the 1910s; Consolidated Model 2, a training airplane used by the United States Army Air Corps; Data General Model 2, laptop by Data General; Experimental Model 2 submachine gun, a Japanese submachine gun in service from 1935 to 1945
The Smith & Wesson Model No. 2 Army a.k.a. Model No. 2 Old Model Smith & Wesson Revolver was Smith & Wesson's first .32 caliber revolver, intended to combine the small size and convenience of the Smith & Wesson Model 1.22 rimfire with a larger caliber. Chambered in the .32 rimfire long caliber, its cylinder held 6 shots.
Model Clock rate L2 cache FSB Mult. Voltage TDP Socket Release date Release price Pentium II 233: 233 MHz 512 KB: 66 MT/s 3.5× 2.8 V 34.8 W Slot 1; May 7, 1997 $636 ...
The Model 2 features a 2 HP universal motor powering a single-tone 5-port chopper motor, which was also used on the Thunderbolt 1000, another siren once made by Federal Signal. It can produce 3 signals at 102 dBC: Alert (Steady) Attack (Wail) Fast Attack (Fast Wail) The Model 2 is 25.5 inches tall by 12 inches wide, and weighs 68 lbs.