Fluid Mechanic Report

Date: (date)

Country: (country)

Proposal category and objective: design of water closet flush valve for use in housing equipment such as the kitchen ware and toiletries.

Target audience: (put your target audience)

Target country: (put your target country)

Detail description:

How it works (Theory):

Structure and parts

When the handle pressed, the flush valve chain opens through the connection opens the flush valve for the water in the reservoir to flow into the bowl. The float ball then drops due to the lack of water in the tank, opening the inlet valve to let water flow into the reservoir. The flush valve then closes, and the incoming water keeps the valve closed. The inlet valve then closes after the water reaches a certain level.

The governing equations and the fluid dynamics behind it

The mechanism of operation is basically a siphoning model, siphoning is used in transporting a fluid from a higher elevation to a lower elevation. This can be explained by Bernoulli’s equation.

Where the parameter in the equation mean:

To compute the flow rate:

Q = A*v

Where A is the area of tube and v is the velocity of the fluid. Assuming the density remains constant therefore from the law of conservation:

A*v in = A* v out