IMPACT OF JET APPARATUS Model FM 01

IMPACT OF JET APPARATUS Model FM 01

Sci-tech Impact of Jet Apparatus Model FM 01 has been designed to measure the force generated by the impingement of the jet of water on a stationary object and to demonstrate the principle of linear momentum. The apparatus can be used with the FM100 Hydraulic Bench or any other standard makes of Hydraulic Benches. The Unit can also be connected to any controlled water supply network when a drain is available. The apparatus consists of a Plexiglas cylindrical shell which houses the nozzle and the deflector and enables visualization of flow inside. A jet of water ejected from the nozzle vertically upwards impinges on a target deflector which is carried on the stem extending through the cover. The resulting force lifts the set of dead weights which gives the direct measurement of the jet impact forces. Target deflectors can be changed easily and the apparatus can be leveled. Suitable piping has been provided to drain water from the unit. Five types of target deflectors are provided. As an option, Electronic Balance with Digital Display can be supplied instead of the dead weight system for force measurement and computer compatibility.

Size: 40cm x 40cm x 80cm (LxWxH)
Weight: 15 kg

Item Description

Forces are developed when a fluid jet impinges on a stationary or moving body according to the principle of linear momentum. Several fluid flow devices utilize the forces generated by the change of momentum. For example, some hydro-electric power plants use jets of water turn Pelton turbines. Also, it is essential to design devices to withstand forces caused by the changes in momentum of fluids. Study of the effect of jet impingement on plane and curved surfaces and hence the forces generated are important for students of Fluid Mechanics and Hydraulics Engineering.

Sci-tech Impact of Jet Apparatus Model FM 01 has been designed to measure the force generated by the impingement of the jet of water on a stationary object and to demonstrate the principle of linear momentum. The apparatus can be used with the FM100 Hydraulic Bench or any other standard makes of Hydraulic Benches. The Unit can also be connected to any controlled water supply network when a drain is available. The apparatus consists of a Plexiglas cylindrical shell which houses the nozzle and the deflector and enables visualization of flow inside. A jet of water ejected from the nozzle vertically upwards impinges on a target deflector which is carried on the stem extending through the cover. The resulting force lifts the set of dead weights which gives the direct measurement of the jet impact forces. Target deflectors can be changed easily and the apparatus can be leveled. Suitable piping has been provided to drain water from the unit. Five types of target deflectors are provided. As an option, Electronic Balance with Digital Display can be supplied instead of the dead weight system for force measurement and computer compatibility.

Options

Computer based learning software is included to enable students understand and conduct experiments, tabulate results and plot graphs. The Sci-tech Impact of Jet Apparatus

Demonstration Apparatus is an important experimental set-up for any Fluid Mechanics and Hydraulics Laboratory of an educational institution

Technical Specifications

Specifications

  1. Cylindrical shell, Plexiglas, 250 mm diameter, 400 mm height.
  2. Base plate with leveling screws, steel frame, and powder coated for

Corrosion resistance, 400 mm X 400 mm X 36 mm.

  1. Target deflectors, 1800 hemi-spherical, 1200 Cone,300 flat target (see option 1)
  2. Nozzle, 8 mm diameter.
  3. Impact surfaces:

180° hemispherical surface. 120° curve surface. 90° flat surface

  1. Impact force measurement system consisting of compression spring, dead weights, weight pan and level gauge, capacity: 40N. (See option-2)
  2. Set of dead weights – 5, 10, 20, 50, 100, 200 and 500 grams.
  3. Distance between the nozzle and target deflector: 30 mm.

 Options

  1. Any other type of target deflector can be supplied on request.
  2. Electronics Digital Balance with Digital Display, capacity: 40N with PC based data Acquisition system for jet impact force measurements instead of dead weight system.
  3. A self contained unit of Impact of Jet Apparatus with a flow controlled closed circuit water circulation unit consisting of centrifugal pump, flow meter and a sump tank can be supplied.

  Services Required

  1. Water Supply from Hydraulic Bench or a pump and drainage system. (See option 3)
  2. Electrical Supply, 220-240 V, single-phase, 50 Hz.

  Overall Dimensions Height: 0.8 m, Width: 0.4 m, Length: 0.4 m.   Instruction Materials The manual describing the theoretical and practical aspects of the apparatus, operation, and sample of results and analysis of results will be supplied with the equipment.   Experiments

  1. Familiarization with the force measurements.
  2. Demonstration of the principle of linear momentum.
  3. Measurement of jet impact forces on various target deflectors.
  4. Study of jet impact forces at various jet velocities.
  5. Comparison of measured jet impact forces with the theory.

Measurements

  1. Jet exit velocity from flow rate measurements.
  2. Jet impact force from the direct measurements using dead weights or an Electronic Balance.

Model Number

FM 01

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