Request pdf on jan 1, 2017, elseddik mm and others published hydraulic jump experiment in a rectangular open channel flume find, read and cite all the. Hydraulic experiment for friction loss coefficient in non. Investigation of hydraulic jump raymond khaushu114409 79 objective the objective of the laboratory session is to observe open channel flow and investigate the formation of a hydraulic jump. In this study, hydraulic experiment was set and the friction loss coefficients were evaluated using 6 different reynolds numbers. To calculate the energy losses through hydraulic jump. A hydraulic jump is characterized by rapid flow and small depths on the upstream side, and by larger depths and smaller velocities on the downstream side. Repeat steps 2 and 3 at a different flow rate by readjusting the flow control valve. Experiment 3 experiment 3 flow through a sluice gate and. Hydrostatic pressure by john fuller fluid mechanics lab. Circular hydraulic jump not caused by gravity news the. Diagrammatic representation of a the magnetic field present around a solenoid as current is passed through the coil and b the field due to the induced current around a conducting ring that has been positioned within the field shown in a. The analogy between hydraulic jumps in liquids and shock. A hydraulic jump occurs when the upstream flow is supercritical f1. This handson hydraulics experiment is a fun way to investigate the power of liquids.
This experiment demonstrates the way that pressure works in a hydraulic system, and that fluid cannot be compressed beyond a certain point. Pdf experimental study of hydraulic jump characteristics. Details of hydraulic jumps for design criteria of hydraulic structures, hydrodynamics concepts and experiments, harry edmar schulz, intechopen, doi. Abdul matin, 2008, experiment on hydraulic jump in sudden. Hydraulic jump, as shown in figure 1, is a phenomenon where the fastmoving supercritical flows merge with the slow moving subcritical flow.
Sluice gate and hydraulic jump lab report jlk9e8z2dz45 idocpub. Without his hard work and continued dedication to the undergraduate experience at arizona state university, the hydraulics. Hydraulic jump experiment complete report civil engineering. In engineering practice the hydraulic jump frequently appears downstream. The freesurface undulations are quasiperiodic, but the longitudinal pro. Analytical solution to problems of hydraulic jump in. Exp 4 flow characteristics of hydraulic jump civil. Hydraulic jump module9 for class university of alabama. One vernier is located upstream of the hydraulic jump to measure the supercritical depth, y1, and the other downstream of the hydraulic jump to measure the subcritical depth, y2. Pdf experimental study of hydraulic jump characteristics in. An experimental investigation on the interaction of hydraulic jumps formed by two normal impinging circular liquid jets november 2007 journal of fluid mechanics 590. Flow channel is designed to allow a series of experiments on water flow through a rectangular.
Microsoft word inclined plane experiment with standards. Ideas for a hydraulic lift science project sciencing. Hydraulic jump experiment complete report read online for free. Explain the process used to calibrate appropriate equations to measure open. This paper presents a laboratory experiment for the formation of hydraulic jump in a rectangular open channel flume to accurately explore the. One can then measure the water height at the closed gate. The depth water on the downstream side of the hydraulic jump is 1m.
J is the next letter in our a to z science series for toddlers and preschoolers here at inspiration laboratories. To demonstrate how energy and force momentum concepts are applied in open channel flows. Before defining the hydraulic jump it is necessary to describe the terms super critical flow and sub critical flow in order to clearly understand that what is hydraulic jump hydraulic jump usually occurs in super critical flow. The energy dissipation ratio represents the fraction of mechanical energy dissipated during a hydraulic jump.
In e is for experiment, we talked about how experiments are all about testing ideas. Under certain conditions, if the flow in a channel is supercritical a hydraulic jump will form. A hydraulic jump in an open channel of small slope is shown in the figure. I then measured the depth of the bed of flume by using a point gauge. Hydraulic jumps aim the purpose of this experiment is to study the behaviour of a hydraulic jump and to quantify the characteristics of stationary hydraulic jumps e. Water 2015, 7 5118 characteristics of hydraulic jump, and to analyze energy dissipation, the physical experiment collects. Hydraulic jump experiment in a rectangular open channel flume. The downstream impediment could be a weir, a bridge abutment, a dam, or simply channel friction. In this study, a hydraulic experiment was conducted to examine weir typespecific hydraulic phenomena, compare hydraulic jumps. To physically achieve the hydraulic jump in the lab flume. This would explain such a large jump in force applied after breaking the upper plane of the vertical face.
J is for jumping experiment inspiration laboratories. In open channels, the transition from supercritical to subcritical flows is called a hydraulic jump. An experimental investigation on the interaction of. Reading assignment reading required as per references in text of experiment. I adjusted the position of the hydraulic jump by adjusting the amount of closure of slvice gate. September 29, 20 science engineering, grade 3, grade 4, hydraulics, physics lucinda. Hydrodynamics laboratory, california institute of technology, pasadena, california received september 30, 1949 the theory of the hydraulic jump is presented briefly, and the analogy between this phenomenon and the. During the experiment measurements of depth and total head were taken in three different areas along a water channel. Given that you will be working with water and items running on standard line voltages the computer you should pay attention to the possibility of electric shock.
Hydraulic jump experiment in a rectangular open channel. Department of mechanical engineering hydraulic jump depth ratio objective. The basic elements and characteristics of the hydraulic jump are provided to aid designers in selecting more practical basins. Hydraulic jump lab report pdf reputable writing aid from top writers. Preface this laboratory is divided into two sections. Hydraulic jump lab report pdf most commonly though, by means of the ii by some of climate change, horseplay, 2016 laboratory.
The analogy between hydraulic jumps in liquids and shock waves in gases f. The hydraulic jump used for chemical mixing on small. Handson hydraulics science fun for kids navigating by joy. Available formats pdf please select a format to send. The fraction of energy dissipation ranges from just a few percent for weak hydraulic jumps fr1 9. The experiment has been performed successfully and the results have shown us that in last two values the fraud number is indicating oscillating type of jump where as in the first three values the fraud number is indicating undular type of jump. For low upstream froude numbers, freesurface undulations develop downstream of the jump and the hydraulic jump is. In the hydraulic jump experiment several things were observed while. Department of mechanical engineering hydraulic jump depth. Cee 341 fluid mechanics for civil engineers lab manual. Hydraulic jump and energy dissipation with sluice gate. Students are to relate and compare the theories behind the conservation of fluid energy and momentum to the observed fluid behaviour in a laboratory controlled experiment.
An experiment for simulating the behavior of a sluice gate and an associated hydraulic jump experiment have been carried out in different conditions to enable an investigation of the. Given a stationnary flow in an open channel, a hydraulic jump is moving upstream when a downstream gate is abruptly closed. Hydraulic jump and energy dissipation with sluice gate mdpi. The results of our simple model are in good agreement with the experiments and with more elaborate approaches. The results of experiment in balai lingkungan keairan laboratory and the application on prototype pusair gambut3 showed that the static head of 120 cm is enough for hydraulic suction head and this system can be operated automatically. This paper presents a laboratory experiment for the formation of hydraulic jump in a rectangular open channel flume to accurately explore the effect of flow structures on water resources. Kasimov, a stationary circular hydraulic jump, the limits of its existence and its gasdynamic analogue, 2008, journal of fluid mechanics, 601, 189198. Ce415l applied fluid mechanics laboratory experiment. Hydraulicjumplabreport2 48362 hydraulics hydrology. Have children take turns doing different parts of the experiment for each of the different stacks of books. In the present study, the slope side, discharge and the energy loss in hydraulic jump in horizontal triangular section are known whereas one has to obtain the sequent depths.
This experiment illustrates the behavior of supercritical flow under sluice gate for various flow rates and downstream depths. Experiment 3 experiment 3 flow through a sluice gate and hydraulic jump report written by duncan curtis email. Table 5 classification of hydraulic jump figure u. This experiment unequivocally disproves the previous gravitybased theories. We study both experimentally and theoretically the classical problem of the circular hydraulic jump. Is is the instantaneous alternating current in the solenoid. For our jumping experiment we are testing how far each of us can jump and comparing different types of jumps. Hydraulic jump experiment laboratory practical manual notes. Hydraulic jump a rectangular horizontal channel 2m. Then i closed the tail gate to allow water to accumulate and to develop hydraulic jump.
Water depth increases during a hydraulic jump and energy is dissipated as turbulence. The position of the jump along the length of the trough l should remain constant over the entire experiment and is controlled by the weir at the end of the trough. Experimental and numerical investigation of circular hydraulic jump. Combined with the knowledge of the inital stationnary flow, on can computer the jump velocity with this measurement. To plot water surface profiles for hydraulic jump at different discharges. Methodical experimentation has many applications for efficient and effective information gathering. Hydraulic jump article about hydraulic jump by the free. Push one end of a thick drinking straw into a oneinch slice of potato. By means of elementary hydrodynamics we investigate the scaling laws governing the position of the hydraulic jump and compare our predictions with experimental data. Introduction a hydraulic jump is a phenomenon in the science of hydraulics which is frequently observed in open channel flow. Fluid mechanics lab c1059965 pick the date type the company name.
To investigate the relationship between depths upstream and downstream of a hydraulic jump and to compare this with the theoretical relationship. Schwoebel purpose introduce the student to some of the basic techniques and approaches used in nuclear physics. Experimental and numerical investigation of circular. Current knowledge in hydraulic jumps and related phenomena. Also the total head loss had to be found out and the factors affecting them have to be found out. To have a jump, there must be a flow impediment downstream.
Effects of muscle strengthening on vertical jump height. We used hydraulic power to create a simple machine which our lego mini figs and all the family had fun playing with. In this study the effects of systematic manipulations of control and muscle strength on vertical jump height were investigated. To measure the physical dimensions of hydraulic jump. Then have a child use the spring scale to pull the car up the top of the 8 stacked books without. The verniers are zeroed with the bed of the channel and have to be moved depending on the location of the hydraulic jump. Measure y 2 and calculate u 1 from the flow rate and the cross sectional area.
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 shown in igures 3,4. The hydraulic jump used for chemical mixing on small water treatment plant bibliographic information. To observe and understand the characteristics of the hydraulic jump and the sluice gate used in the flume to create conditions allowing the jump to occur. Pdf hydraulic jump is a phenomenon caused by change in stream regime. In order to describe the super critical flow and sub critical flow, there is need to define the. They found that the sequent depth ratio, relative height of the jump, relative length of the. Pull the straw out, leaving a plug of potato in the straw. An abrupt increase of depth in a freesurface liquid flow. Therefore, the friction loss in the noncircular pipe should be evaluated for the accurate design.