DB-KG orifice nozzle instrument experimental purpose: 1. To master the measurement techniques of velocity coefficient, flow coefficient, side contraction coefficient, and local resistance coefficient of orifice and nozzle outflow 2、 Comparative experiments can be conducted on the outflow of equal diameter holes and nozzles at the same water depth, including qualitative and quantitative tests; And the negative pressure value of the test nozzle can be observed
DB-KG orifice nozzle instrument
Purpose of the experiment:
1. Master the measurement techniques for velocity coefficient, flow coefficient, lateral contraction coefficient, and local resistance coefficient of orifice and nozzle outflow
2. Comparative experiments can be conducted on the outflow of equal diameter holes and nozzles at the same water depth, including qualitative and quantitative tests; And the negative pressure value of the test nozzle can be observed.
3. Demonstrate the outflow phenomenon between the orifice and nozzle, as well as between different orifices
Main configuration:
Experimental water tank, orifice, nozzle, measuring point, pressure measuring tube, storage tank, water pump, inlet pipe, return pipe, overflow pipe, water supply valve, drain valve, measuring water tank, scale ruler, stopwatch, stainless steel bracket.
Technical Specifications:
1. Operating environment: temperature 0-40 ℃, relative humidity: ≤ 90% RH, power supply: 220V/50Hz, can operate continuously.
2. Experimental constant pressure water tank: with a capacity of 30L, made of transparent organic glass, and equipped with a stable pressure overflow port.
3. Orifice and nozzle types: conical nozzle, right angle inlet nozzle, rounded inlet nozzle, sharp edged small orifice, outlet aperture 12 0.15mm.
4. Experimental flow rate: 0~200ml/s; The jet switching adopts a rotary plate device, and the water flow does not leak out.
5. Silent and environmentally friendly water pump: Head: 10m, Flow rate: 12L/min, Power: 90W.
6. Storage tank, 500 × 400 × 400mm, made of PVC board.
7. Measuring water tank: with a capacity of 6L, made of transparent organic glass, and equipped with measuring scales.
8. The pressure gauge is fixed on a pressure measuring frame with 6 organic glass tubes measuring 650mm in length and 8mm in diameter. A ruler is attached to the pressure measuring frame for easy reading. The indicator liquid inside the differential pressure gauge is water, which is non-toxic and safe to operate.
9. The fluid used in the experiment - water - is designed for full circulation, which fully saves water resources.
10. The frame and countertop are both made of 304 stainless steel material, with a compact structure, beautiful appearance, and easy operation.
11. Dimensions: 1100 × 500 × 1700mm (length × width × height), with a movable frame design, equipped with casters and locking feet.