Additional information
| Brand | Essom |
|---|
Whirling of Shafts Apparatus
For studying the critical rotational speeds on simply loaded of various shafts. It is a self-contained bench mounting. Apparatus includes a DC motor drives the shaft via a flexible coupling. Motor speed can be continuously variable and displayed on a digital readout by a revolution counter. A transparent protective cover and safety rings ensure safe operation. The unit includes the tools need for easy experiment setup.
TYPICAL EXPERIMENTS
- Demonstration of basic whirling
- The effect of end conditions
- Variation of shaft diameter and supported length
- Loaded shaft (with mass disc) Eccentric loading
TECHNICAL DATA
| Shaft | Mild steel, different diameter and length |
| Mass | 1 lot |
| Measuring tape | 1 |
| Fixed bearing support | 1 |
| Free bearing support | 1 |
| – Motor | |
| – Speed control | |
| – Software for data display and analysis by computer (separately supplied) | |
| Power supply | 220 V, 1 Ph, 50 Hz Other power supply is available on request. |
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Bernoulli’s theorem is applied on flow through a clear acrylic Venturi tube. The apparatus is to be used with Hydraulics Bench i.e. HB100 or HB100N (separately supplied).
Static pressures at various points along the wall of a transparent Venturi tub are directly measured on a manometer equipped with a vent valve and a hand air pump. A movable stainless steel total head probe is also provided. Flow through the Venturi tube is controlled by a valve at the outlet. As a primary flow measuring device, coefficient of discharge for the Venturi tube can also be determined.
TYPICAL EXPERIMENTS- Application of the Bernoulli equation
- Measurement of the meter coefficient of discharge at various flow rates
- Comparison of experimental results with theoretical predictions
TECHNICAL DATADiameters 28 mm inlet. Taper Upstream 21°, Downstream 10° Water manometer 8 tubes. Total head probe 1 ea. Software for data display and analysis by computer (separately supplied). (0 reviews) -
Air Flow and ThermodynamicsAir Flow Bench
This is a bench top unit for studying the air flow measurement and air flow characteristics in optional apparatus.
The set uses an industrial type centrifugal blower with inlet and outlet ducts, flow straighteners, a damper, various flow measuring devices using manometers for the study of air flow measurement according to BS 848 and 1042, ISO 5167. Various measuring devices for the study of air flow are provided as an option.
Instruction manual is also included.
TYPICAL EXPERIMENTS- Air flow measurement.
- Bernoulli’s experiment (optional)
- Flow around a bend (optional)
- Air flow in pipes (optional)
- Free jet study (optional)
- Air flow drag (optional)
- Boundary layer (optional)
- Flow Visualization (optional)
TECHNICAL DATABlower ratings : – Maximum flow rate (unchoked) 12 m3/min – Maximum head (fully choked) 80 mm water Inlet duct with flow straightener Outlet duct with flow straightener and damper Measuring instruments: – Air flow rate Venturi nozzle, orifice plate, inlet cone, and traveling pitot using inclined water manometer – Differential pressures Twin inclined water manometers., 0-450 mm x 1 mm graduation, multiple slope 1:10, 1:5, 1:2 and 1:1 Accessories Thermometer and barometer Software for data display and analysis by computer (separately supplied). Power supply 220 V, 1 Ph, 50 Hz. Other power supply is available on request. (0 reviews)