Channel shape: Rectangular; Channel depth: 1feet (at maximum flow) Channel width: 3feet; Flow rate: 9cubic feet/sec (which gives us a velocity of 3cubic feet/sec as Q (flow rate) = A (area) * V (velocity), A = 3*1) From this the Froude number can be calculated as:

The rectangular sedimentation tank needs to be at least four times (4x) longer than it is wide, for a ratio of 4:1. Maximum overflow rate. The maximum overflow rate must be equal or less than gallons per minute per square foot of surface area ( gpm/ft 2).

MISCELLANEOUS HYDRAULIC FACILITIES 515 rate to compute the daily average lockage discharge (Q,) by use of the equation, (134) where N is the number of lockages in a day, A is the plan or surface area of the lock, h,, is the daily mean headwater elevation, and h, is the daily mean tailwater elevation.

The minimum larifier length from inlet to outc let is commonly 3 meters (10 ft.). Tank depth is most frequently between 2 to 6 meters ( to 20 ft). Rectangular tank unit width is usually selected based on available standard sizes of sludge collection mechanisms and varies between 2 to 6 .

A useful tool for finding duct diameter, duct velocity, friction loss and air mixture. Available as Microsoft Excel spreadsheet download. static_pressure_calculator_r3

Tank Capacity Calculators. Dry Bulk Tank Capacity Calculator for figuring the tank size and tank volume of dry bulk storage tanks including: skirted tanks with door access, drive through skirted silo, elevated tanks with leg support and elevated tanks with structure support.; Liquid Flat Bottom Capacity Calculator for figuring the tank size and tank volume of Liquid Flat Bottom Tanks.

In addition, for rectangular hoppers, the discharge rate is shown to vary with the outlet width raised to the 32 power as given by the modified Beverloo correlation.

In addition, for rectangular hoppers, the discharge rate is shown to vary with the outlet width raised to the 3/2 power as given by the modified Beverloo correlation. The DEM simulations are also used to explore a wider range of parameters that have not been or are not easily explored experimentally.

Apr 11, 2016· yield locus as in 1. given that the bulk density is 1000 kg/m3 particulates and wall friction angle is 15. afrom design chart silo cone, do design a mass flow hopper for the material. bif the average size is 100 um, calculate the discharge flow rate passing through the discharge opening.

Online calculator to quickly determine Air Flow Rate through an Orifice. Includes 53 different calculations. Equations displayed for easy reference.

Q = air flow rate (m3/s) C d = discharge coefficient, ... Based on the orifice flow equation, calculate the airflow rate through the opening at a pressure drop of 5 Pa. Gross area of vent = * m2 = m2 The area is reduced by 40% therefore the net area of opening is m2

Discharge = V x D x W. If length is measured in feet and time in seconds, Discharge has units of feet3/sec or cubic feet per second (cfs). Depth times Width gives the crosssectional area. The shape of the channel is important because of the reduction in velocity due to friction along the channel margins.

Hopper Design Throughout industry a prodigious variety of bulk solids are stored in hoppers or silos in quantities ranging from a few kilos to thousands of tonnes. It is an unfortunate fact that many installations are plagued by discharge problems.

hopper to get used to and perfect the procedure for flow rate data collection from the different hopper orifices and also to condition the innerhopper surfaces for the experiment. With a stop watch ready, the slide gate was pulled out to open the orifice as the stop watch is started. At the end of the seeds discharge from the hopper . Global))

The width of the rectangular slot. The default value is 1e2 m. Flow discharge coefficient. Semiempirical parameter for orifice capacity characterization. Its value depends on the geometrical properties of the orifice, and usually is provided in textbooks or manufacturer data sheets. The default value is Initial opening. Orifice initial opening.

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