Flow Over Weirs Apparatus

Flow Over Weirs Apparatus

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Flow Over Weirs Apparatus

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MOQ : 1 Unit

Flow Over Weirs Apparatus Specification

Humidity
Up to 85% RH (Non-condensing)

Response Time
Immediate manual reading

Frequency
50 Hz

Accuracy
±1 mm

Temperature
Ambient (10°C to 40°C)

Mounting Type
Table Top

Equipment Type
Flow Over Weirs Apparatus

Automation Grade
Manual

Product Type
Flow Over Weirs Apparatus

Max Height
500 mm (apparatus height)

Power Supply
230 V AC, 50 Hz

Operating Voltage
230 V AC

Usage
Fluid Machines Equipments

Application
Fluid Machines Equipments

Features
Corrosion-resistant channel, easy weir plate interchangeability, robust frame

Measuring Range
0-300 mm water head

Port Size
Inlet & outlet: 12 mm

Display Type
Manual scale/Pointer

Resolution
1 mm

Test Range
Varies with head over weir

Capacity
Water tank capacity: 30 Litres

Machine Weight
Approx. 35 kg

Test Width
Channel width: 100 mm

Control Mode
Manual

Weir Plates Provided
Rectangular, Triangular, and Trapezoidal

Sump Tank Material
FRP/Plastic

Sump Tank Capacity
30 Litres

Pump Type
Centrifugal, monoblock

Construction
Powder coated mild steel frame, transparent channel

Valve Type
Flow control valve with precise regulation

Water Circulation
Closed loop

Type of Flow Measured
Open channel (over weir)

Stop Watch
Provided for time measurement

Overall Dimensions
1100 x 300 x 500 mm (LxWxH)

Channel Material
Stainless Steel

Discharge Measurement
Using calibrated measuring tank

Flow Over Weirs Apparatus Trade Information

Minimum Order Quantity
1 Unit

Payment Terms
Letter of Credit (L/C), Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque, Cash Advance (CA)

Supply Ability
100 Units Per Day

Delivery Time
1 Week

Sample Available
Yes

Sample Policy
Sample costs shipping and taxes has to be paid by the buyer

Packaging Details
carton box, export quality also available

Main Domestic Market
All India

Certifications
ISO 9001, 14001 ,CE

About Flow Over Weirs Apparatus

Flow Over Weirs Apparatus

Introduction of Flow over weirs apparatus

A weir is an overflow structure extending across a stream or a channel and normal to the direction of the flow. They are normally categorized by their shape as either sharp-crested or broad-crested. This laboratory experiment focuses on sharp-crested weirs only. Two different types of weirs will be introduced:
1- The V-notch weir.
2- The rectangular weir (horizontal weir with end contractions).

Objective: To Study the Discharge over different type of notches.

Specification of Flow over weirs apparatus:

Dimensions of rectangular notch: Height=82mm, width=30mm.
Angle of V notch weir: 900 inclusive.
Hook and point gauge range: 0 to 150mm.
Accuracy: 0.1mm.
Overall dimension of weir plates: Height=190.5mm, Width=178mm, Thickness=4mm.

Versatile Weir Plate Selection

Supplied with rectangular, triangular, and trapezoidal weir plates, the apparatus allows versatile flow analysis and experimentation. Changing weir plates is quick and simple, supporting comparative studies of flow over different weir geometries within the same setup.

Reliable Discharge Measurement

The discharge measurement system uses a calibrated measuring tank and manual scale pointer for accurate and immediate readings of water head (0300 mm) and discharge. The process ensures reliable data collection with high accuracy and resolution needed for research and educational purposes.

Robust and Corrosion-Resistant Construction

Crafted from stainless steel and mounted on a powder-coated mild steel frame, the apparatus is built for durability and corrosion resistance. The transparent channel enhances observation, while the closed-loop water circulation system conserves water and maintains test integrity.

FAQs of Flow Over Weirs Apparatus:

Q: How is the flow over weirs measured using this apparatus?

A: Flow over weirs is measured by allowing water to circulate through the stainless steel channel and pass over an interchangeable weir plate. The water head above the weir is read from a manual scale, and discharge is quantified using the calibrated measuring tank. Timing for discharge collection is tracked with the provided stopwatch.

Q: What types of experiments can be performed with the interchangeable weir plates?

A: You can study and compare open channel flow over rectangular, triangular, and trapezoidal weirs, analyze discharge relationships, calibrate flow rate equations, and observe the influence of weir geometry on flow behaviorall within one apparatus.

Q: Where is the Flow Over Weirs Apparatus commonly used?

A: This equipment is widely used in educational laboratories, research institutes, and fluid mechanics departments. It is suitable for demonstrating hydraulic principles, conducting flow measurement experiments, and training students in fluid machines applications.

Q: What is the process for measuring discharge with this apparatus?

A: To measure discharge, regulate the flow using the manual flow control valve, collect water in the calibrated tank for a measured time interval using the stopwatch, then calculate discharge based on volume collected and time elapsed. Adjustments can be made by changing weir plates and altering flow rates as needed.

Q: What benefits does the closed-loop water circulation system offer?

A: The closed-loop system recycles water during testing, minimizing wastage and ensuring consistent test conditions. This feature is environmentally responsible and enables repeated experiments without frequent water replenishment.

Q: When is the apparatus most accurately used for experiments?

A: Experiments yield precise results when operated within the measured water head range (0300 mm) and maintained under ambient temperature (10C to 40C) and humidity (up to 85% RH, non-condensing). Immediate manual readings and reliable calibration enhance accuracy under these conditions.

Flow Over Weirs Apparatus

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