Nozzle meter experiment

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meter, the venturi meter, and the flow nozzle meter. These three all function by introducing a reduced area through which the fluid must flow. The decrease in area causes an increase in velocity, which in turn results in a decrease in pressure. With these flow meters, the pressure difference between the point of maximum Video of a Venturi meter used in a lab experiment Idealized flow in a Venturi tube The Venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section (or choke) of a pipe. The apparatus consists of a Nozzle meter made of stainless steel/acrylic houses in Acrylic Test Section. Present set-up is self-contained water re-circulating unit, provided with a sump tank and a centrifugal pump. Flow control valve and by-pass valve are fitted in water line to conduct the experiment on different flow rates. The apparatus for this experiment contained an orifice meter and plate, a venturi flow meter, a rotameter, a weighing bucket with a scale, a stopwatch, and manometers that corresponded to the different meters used. A picture showing the different flow meters is in Figure 1. The manometer tubes 1 and 2 corresponded to the venturi meter. Venturi definition is - a short tube with a tapering constriction in the middle that causes an increase in the velocity of flow of a fluid and a corresponding decrease in fluid pressure and that is used especially in measuring fluid flow or for creating a suction (as for driving aircraft instruments or drawing fuel into the flow stream of a carburetor). Figure 2. Location of the pressure taps on the laboratory orifice meter. The orifice coefficient is a weak function of Reynolds number. Scope of Experiment. In this laboratory you will calibrate one orifice plate and determine the cavitation potential of the orifice. Procedure. Pressure Sensor Scaling and Monitoring. Start the . Easy Data The experimental set up consists of a 100 psig air source branched into two manifolds: the first used for parts (1) and (2) and the second for part (3). The first manifold contains a critical flow nozzle, a NIST-calibrated in-line digital mass flow meter, and an orifice meter, all connected in series with copper piping. Flow nozzle is similar to the venturi meter. Its shape provides lesser resistance to flow, and it has a higher coefficient of discharge. Moreover, it has no divergent cone for pressure recovery. Figure shows a standard flow nozzle. Nozzle meter is bolted between flanges of pipe carrying the fluid. An experiment was conducted to find the overall meter coefficient C in venture meter and orifice tube and result show that the flow rate and ∆h are directly proportional to each other and along with this ∆h and the ∆d are also directly proportional to each other. Establish a steady flow through one of the flow meters. Record the heads on the differentialmanometer tubes. If Δh fluctuates, use an average over time. Gravimetrically determine the flow rate by collecting the flow in a container and measuring the weight of water captured in a measured amount of time. Venturi meter: Advantages of venturi meter: Less chance of getting stuck with sediment. The discharge coefficient is high. Its behaviour can be predicted perfectly. It can be installed vertically, horizontally, inclined. They are more precise and can be used for a wide range of flows. About 90% of the pressure drop can be recovered. Question: EXPERIMENT 2 FLOW THROUGH AN ORIFICE 1. AIM To Investigate And Demonstrate The Phenomena Of Fluid Through An Orifice. 2. APPARATUS 3. PROCEDURE 3.1 Preparation A. Mount The Apparatus On The Hydraulic Test Bench And Connect A Soft Or Plastic Hose From The Outlet Of The Bench To The Inlet Of The Apparatus. Mar 15, 2011 · A Venturi Meter is a device that allows flow rates through pipes to be calculated by measuring the difference in pressure created by a contraction in a pipe. When the flow goes through the contraction it must speed up, and so the pressure must drop. By measuring the two pressures, engineers can directly calculate the velocity of the fluid. EXPERIMENT No.1 FLOW MEASUREMENT BY ORIFICEMETER 1.1 AIM: To determine the co-efficient of discharge of the orifice meter 1.2 EQUIPMENTS REQUIRED: Orifice meter test rig, Stopwatch 1.3 PREPARATION 1.3.1 THEORY An orifice plate is a device used for measuring the volumetric flow rate. It uses the A de Laval nozzle has a convergent section followed by a divergent section and is often called a convergent-divergent (CD) Nozzle ("con-di nozzle"). Convergent nozzles accelerate subsonic fluids. If the nozzle pressure ratio is high enough, then the flow will reach sonic velocity at the narrowest point (i.e. the nozzle throat ). Four different types of differential pressure flow meters were studied which include: Venturi, standard concentric orifice plate, V-cone, and wedge flow meters shown in Fig. 1. The Venturi flow meter obtains a pressure differential by constricting the flow area and therefore increasing the velocity at the constriction, which creates a Objective: The volumetric flow-rate, Q, of a given fluid through an orifice nozzle flow meter is proportional to the square root of the pressure drop across the meter. Thus, QK= h where is the meter calibration constant and is the manometer reading that measures the pressure drop before and after the orifice. The purpose of this experiment is The apparatus for this experiment contained an orifice meter and plate, a venturi flow meter, a rotameter, a weighing bucket with a scale, a stopwatch, and manometers that corresponded to the different meters used. A picture showing the different flow meters is in Figure 1. The manometer tubes 1 and 2 corresponded to the venturi meter. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Objective: The volumetric flow-rate, Q, of a given fluid through an orifice nozzle flow meter is proportional to the square root of the pressure drop across the meter. Thus, QK= h where is the meter calibration constant and is the manometer reading that measures the pressure drop before and after the orifice. The purpose of this experiment is Establish a steady flow through one of the flow meters. Record the heads on the differentialmanometer tubes. If Δh fluctuates, use an average over time. Gravimetrically determine the flow rate by collecting the flow in a container and measuring the weight of water captured in a measured amount of time. Jan 11, 2017 · An hour glass is a form of orifice. [1] For orifice meter, as NRe increases, C should decrease since friction increase and a greater head loss results. (a) (b) Figure 1. (a)Orifice Meter Device, (b)Orifice Meter Diagram A nozzle, venturi or thin sharp edged orifice can be used as the flow restriction. Table1.CrossCsectionareasofVenturiandOrificeFlow’Meters ’ ’ Thedischarge’coefficient’was’obtained’fromequation’(1)’using’the’slopes’of’the The apparatus for this experiment contained an orifice meter and plate, a venturi flow meter, a rotameter, a weighing bucket with a scale, a stopwatch, and manometers that corresponded to the different meters used. A picture showing the different flow meters is in Figure 1. The manometer tubes 1 and 2 corresponded to the venturi meter. View (6)Flow Meter Trainer Apparatus.docx from ME 302 at Institute of Technology. EXPERIMENT No. 06 Date _ Objectives: Calibration of Venturi Nozzle, Orifice Meter and Nozzle Meter, It can be concluded that the Venturi nozzle is the best-­‐suited device for the needs of the experiment. It exhibited a high discharge coefficient, a low head loss coefficient and very accurate readings of the mass flow rate. For our range of Reynolds numbers, it is the flow meter of choice. Jan 27, 2017 · (i) Shut the valves of inlet pipe, Orifice meter pipe line and manometer. (ii) The gate valve of the pipeline chosen for the experimentation is unlocked. (iii) Needle valves of the equivalent manometer & Orifice meter are also opened (iv) Regulate the control valve put at the exit side of the Orifice to a necessary flow rate and preserve the flow. A flow nozzle which is held between flanges of pipe carrying the fluid whose flow rate is being measured. The flow nozzle’s area is minimum at its throat. Openings are provided at two places 1 and 2 for attaching a differential pressure sensor (u-tube manometer, differential pressure gauge etc.,) as show in the diagram. View (6)Flow Meter Trainer Apparatus.docx from ME 302 at Institute of Technology. EXPERIMENT No. 06 Date _ Objectives: Calibration of Venturi Nozzle, Orifice Meter and Nozzle Meter, Question: EXPERIMENT 2 FLOW THROUGH AN ORIFICE 1. AIM To Investigate And Demonstrate The Phenomena Of Fluid Through An Orifice. 2. APPARATUS 3. PROCEDURE 3.1 Preparation A. Mount The Apparatus On The Hydraulic Test Bench And Connect A Soft Or Plastic Hose From The Outlet Of The Bench To The Inlet Of The Apparatus. There are many types of inferential meters available, including: 1.2.1 Orifice Plates The most commonly used inferential or rate meter is the thin-plate, concentric orifice meter which is the primary device discussed in this paper. 1.2.2 Flow Nozzles and Venturi Tubes Flow nozzles and Venturi tubes are primary rate devices which will handle about more efficient and accurate than the orifice meter (“Orifice, Nozzle, and Venturi Flow Rate Meters,” Engineeringtoolbox). Objectives The objectives of this experiment were to gain knowledge on pressure and flow measuring devices, and to calibrate an orifice flow meter and a venturi meter. Materials and Methods A manometer (Figure 1), an ...