Flow Measurement Devices Ppt

Measurement of flow p m v subbarao professor mechanical engineering department an essential requirement in cv based industrial appliances.

Flow measurement devices ppt.

In its simplest form the device consists of a short converging section leading to a throat and followed by a diverging section. In general we can split the fluids into two classes. Transit time flowmeter principle of operation the acoustic method of discharge measurement is based on the fact that the propagation velocity of an acoustic wave and the flow velocity are summed vectorially. Alvarado venturi meter orifice plate an orifice plate is a device used for measuring the.

Achieve precision flow measurement and process control flow measurement is the process of measuring fluid in your plant or industry. Flow measuring devices entc 303. The movable vane meter is a robust device suitable for the measurement of high flow rates where only moderate requirements on the measurement accuracy are made. You can measure flow through a variety of different devices such as coriolis differential pressure vortex magnetic ultrasonic turbine and positive displacement meters.

Rotameter consist of tapered tube made by glass or plastic with a float inside that is free to move a rotameter is device measure flow rate of liquid and gas in a closed tube it belongs to class of meters called variable flow meter in which pressure drop remain constant and flow varies directly with cross sectional area 8. As a result accurate measurement of flow rate is very important. In fact most of the industrial control loops control the flow rates of incoming liquids or gases in order to achieve the control objective. It contains a flap that at zero flow is held closed by a weight or a spring a flow forces the vane open until the dynamic force of the flow is in.

Alvarado entc 303 dr. Venturi tube due to simplicity and dependability the venturi tube flowmeter is often used in applications where it s necessary with higher turn down rates or lower pressure. 150053119007 harsh dharaiya 150053119008 dharmajeet jadeja 150053119009 bhavesh katariya 2. 1 1 types of flow measurement devices fluid flow devices fall into a number of device categories as well as fluid classes.

Types of flow meters and their applications flow measuring device 1. Fluid mechanics flow measuring devices created by. Flow measuring devices 1. Within these two broad classes are a number of special classes that one should be careful of.