By using the adjustable inlet pipe, the level of diffuser was raised until it was just below water level. Orifice plates causes high energy losses and high pressure loss to the flow being measured. Discussion Orifice plate is a plate with an orifice that restricts the flow, thereby causing a pressure drop which is related to the volumetric flow based on Bernoulli’s equation. The flow was adjusted until the water level in the tank was just above the overflow. The following dimensions from the equipment can be used in the appropriate calculations: width of rectangular notch (b) 0.03 m angle of V-notch 90☌alculate discharge (Q) and head (h) for each experiment, and record them in the Result Tables. Graph 2: Pressure drop vs Qactual in a venturi flow meter 4. Flow Through Orifice Procedures First, the hydraulic bench was turned on and water was allowed to enter the cylindrical tank. Lastly, the flow control valve was gradually opened for inlet flow and allows the piping and the cylindrical tank to fill with water until all air has been expelled from the system. The main power supply was connected and the pump was switched on. Then, the bench flow control valve was then fully closed. determined using a Venturi Meter, an Orifice Plate Meter and a Rotameter. After that, an orifice provided was installed at the discharge opening of the cylindrical tank which is located at the bottom of the tank. Through use of the Flow-Measuring Apparatus, this experiment is designed to. A flexible hose was also connected to the overflow outlet and it was made sure to be directed into the sump tank. The water supply form hydraulic bench was connected to the water inlet using a flexible hose. Water was then filled into the sump tank of the hydraulic bench until approximately 90% full. This devices measure bulk flow by determining pressure changes, as well as the Reynolds number of the flow rate. The unit was levelled using adjustable feet. The objective of this experiment and your role at the company is to calibrate bulk-flow sensors such as the Venturi meter, orifice-plate meter, and the paddlewheel flowmeter.
The experiment procedures include: General Start-up Procedures First, the flow through orifice unit was ensured to be placed on top of the hydraulic bench and the equipment was ensured to be set up properly. There are also differences in flow rate in both venturi tube and orifice plate flow rate in the orifice plate is higher than the venturi tube because the diameter of the area of the orifice plate is smaller than the venturi tube. The apparatus used in the experiment include flow through orifice unit, manometers, pressure transmitter, adjustable feet, control panel, water tank, pump, hydraulic bench, stop watch and water. It is proven when the time taken for the water to reach volume of 6 litres decreases.
0 kommentar(er)
