This product supplies a controlled flow of water to a wide variety of laboratory experiment modules available separately. To find the value of co efficient of velocity cv, coefficient of discharge cd and contraction c to study the characteristics. The term small orifice means that the diameter of the orifice is small compared with the head producing flow the equations for hydraulic coefficients are apparatus used in experiment fig 1 orifice at bottom of tank the apparatus used in this experiment are hydraulic bench, tank having circular orifice at the bottom and pitot. Pdf che241 lab report flowmeter measurement apparatus. Hydraulic test bench circuit construction, testing, and. Hydraulic bench is a very useful apparatus in hydraulics and fluid mechanics it is involved in majority of experiments to be conducted e.
Experiment 3 hydraulics bench experiment up water tank. To conduct the experiment of hydraulic bench, with separate experiential set ups i. Digital hydraulic bench h1f fluid mechanics tecquipment. Introduction a venturi meter is a device that is used for measuring the rate of flow of fluid through a pipeline. The hydraulic test benches are fitted with a selfventing precision pressure reducing valve for the preselection of the desired test pressure with supply and vent pressure gauge, prestress reducing valve with pressure gauge, 2 test connections with knurled nut m28 x 1.
The bench consists of a sump tank with a submersible pump, volumetric weighing system and working surface. Hydraulics bench is a very useful apparatus in hydraulics and fluid mechanics lab. In open channel hydraulics, weirs are commonly used to either regulate or to measure the volumetric flow rate, they are of particular use in large scale situations such as irrigation schemes, canals and rivers. Use the hydraulic bench to measure the initial flow for reference. Demonstration of various parts of hydraulic bench experiment luvlife4u. Place the balance pan in the groove at the end of the balance arm 3. Carefully adjust the bench supply control valve and the bernoulli apparatus. The body of the bench forms a reservoir or sump tank with a. A lot of the experiments are carried out on the basic hydraulics bench. When using the hydraulic bench, placing weight on the lever. A mobile self contained bench with recirculating water supply. A mobile selfcontained bench to provide a variable supply of water to a series of interchangeable benchmounting or floorstanding hydraulic and fluid mechanics experiments.
Hydraulic bench hydraulic bench is a very useful apparatus in hydraulics and fluid mechanics it is involved in majority of experiments to be conducted e. Che241 lab report flowmeter measurement apparatus fm101 2015. Free jet flow accessory a constant head tank is fed with water from the hydraulics bench. Hydraulic jump experiment in a rectangular open channel. This paper introduces virtual instruments technology and develops a hydraulic test bench based on it. Dl dkl014 hydraulic bench the basic hydraulic bench is a simple, mobile, self contained module that allows a supply of hydraulic energy, i. The turbine has a sturdy base which sits on the top of the hydraulic bench. Hydraulic bench, manufacturer, exporter, supplier, india. Place the empty tank on the bench and position the balance arm on the pivot.
Pdf design of automatic hydraulic test bench based on. June 29, 2017 4548 validation of the hydraulic jump model the experimental work was accomplished in the laboratory to explore the critical depth and the conjugate depths of hydraulic jump as. Urroz, september 2010 a hydraulic bench is a selfcontained water supply device that allows recirculating water from a. Hydraulic jump experiment in a rectangular open channel flume. Do not leave chemical containers on the working tables. Once the hydraulic circuits were constructed the system was run at two different system pressures of 200psia and 400psia. Teaching equipment fluid mechanics hydraulics bench. Hydraulics bench hb100 hb100 hydraulics bench shown with hb100g and hb100k fitted hydraulics bench for supply of water to a wide and expanding series of hb modules from p. Each accessory we use is complete, needing only connection to the bench. The transparent side walls of channel are made of acrylic. The flow channel is one of the most important tools available for the teaching of hydraulic principles. Provides a controlled recirculating water supply and accurate flowmeter for hydraulic and fluid mechanics experiments. Hydraulic bench is a very useful apparatus in hydraulics and fluid mechanics.
In setting up the apparatus for this experiment, the tube is leveled so that the central streamline is also horizontal. The bench is a sump tank with a submersible pump, gravimetric weighing system and working surface. Start the hydraulic bench and slowly open its control valve while opening the spear valve turn it anticlockwise until the bench flow is at maximum and the spear valve is fully open. Laboratory experiments are carried out on a rectangular open channel lume 5 m long armield model no. The head is maintained at a constant value by an adjustable overflow. This product supplies a controlled flow of water to a wide variety of laboratory experiment modules. Demonstration of various parts of hydraulic bench experiment.
To find the value of the coefficient of velocity cv, coefficient of discharge cd, to study the characteristics of flow over notches, to find metacentric height, to find head losses through pipes, to verify bernoullis theorem. The flow channel has been designed to allow students a wide range of experiments on. Digital hydraulic bench this product supplies a controlled flow of water to a wide variety of laboratory experiment modules available separately. Operation of the hydraulic bench at the cee hydraulics. The unit is an ideal service unit for conducting student projects. Following accessories provided with this hydraulic bench. Flow measurement apparatus the flow measurement apparatus consists of a water loop as shown above figure. To familiarize with main parts of a hydraulic bench to understand the usage and applications of a hydraulic bench apparatus used. Operation of the hydraulic bench at the cee hydraulics laboratory by gilberto e. The body of the bench forms a reservoir or sump tank with a submersible pump. Hydraulic test bench htb description the schroeder model htb hydraulic test bench is the ultimate diagnostic tool, capable of thoroughly testing a vast array of new or rebuilt components and sub assemblies prior to their installation in a working system. Experiment 3 hydraulics bench experiment aim of this experiment the hydraulic bench experiment allows the examination of pressure losses in different diameter straight length pipes, demonstration of the pressure drop across a sudden constriction and demonstration of pressure drop in short and long elbows. Hydraulic lifts can be controlled remotely or manually. The flow rate controlled by a gate valve located at the discharge side of the hydraulics bench.
Laboratory experiments are carried out on a rectangular open channel flume 5 m long armfield model no. Hydraulic bench with bernoulli apparatus, stop watch theory. Scribd is the worlds largest social reading and publishing site. H1 gravimetric hydraulic bench page 2 of 2 fluid mechanics description the tecquipment gravimetric hydraulic bench supplies a controlled flow of water to a wide variety of laboratory experiments available separately. This test bench realizes the function of data acquisition, realtime display, output. Research heavy hydraulic machines including lifters, diggers. The end of the lever arm protrudes from the side of the flow bench so that the amount of weight on this end of the lever arm may be adjusted as shown in figure 12. The francis turbine is a laboratoryscale reaction turbine for use with tecquipments digital hydraulic bench h1f, available separately. Calculate the discharge coefficient for sharpcrested weir experimentally on a hydraulic bench background in open channel hydraulics, weirs are. Position the calibrator without the piston on the hydraulic bench top and ensure that the base is horizontal by adjusting the feet and using the spirit level. Ce322 hydraulic laboratory component general information.
Fluid mechanics lab hydarulic bench this videos demonstrates how the armfield hydraulic bench can be. Determine the relationship between reynolds number and the coefficient of discharge. The supple line is connected to a gravimetric hydraulic bench. General information, requirements, and instructions prepared by dr. It includes two collecting tanks, a centrifugal pump, a flowmeter, a mobile frame work on wheels, a set of valves and piping. The purpose of the lever arm is to measure the actual mass flow rate of water flowing through the measuring devices. Object the purpose of this experiment is to study some of the famous instruments used in flow measurements. Hydraulics bench to supply water to the fluid friction apparatus the flow of water can be measured by timed volume collection. Lab session 1 to study working of a hydraulic bench apparatus. It is involved in majority of experiments to be conducted e. Hilton selfcontained floor standing bench fitted with lockable castor wheels bench dimensions allow storage underneath suitable laboratory benches. Calculate the coefficient of discharge from experimental data for a venturi meter. The f110 hydraulics bench can be supplied with either a factory fitted electronic flow meter and digital display or an inline digital flow meter that can be added inline to. Etfm10 the basic hydraulic bench is of volumetric type and has been designed to provide continuous and controlled supply of water to conduct various experiments using auxiliary modules in typical fluid mechanics and hydraulics laboratory.
Once filled, the bench needs no external water supply. Set up the apparatus such that the orifice is facing the sink. Open channel in bench top with quick release outlet fitting self priming centrifugal circulating pump provides water at 21m head at no flow, and a maximum flow of 60 liters per minute. It is a portable and selfcontained service module of lightweight construction from corrosion resistant materials with quick release pipe couplings to speed the assembly of accessories. The open channel width is 10 cm, whereas the maximum water depth can reach about 30 cm.