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Plate weirs for MR-HM 150 Teaching Equipment Educational Equipment Fluid Mechanics Experiment Equipment

Item No.: MR-HM 150.03
Plate weirs for MR-HM 150 Teaching Equipment Educational Equipment Fluid Mechanics Experiment Equipment
Description
MR-HM 150.03 Plate weirs for MR-HM 150 Teaching Equipment Educational Equipment Fluid Mechanics Experiment Equipment

Description
flow over sharp-crested weirs
typical measuring weirs: Thomson weir and Rehbock weir
Sharp-crested weirs are a type of control structure that dam up an open channel in a defined manner. They are often used to determine the discharge of an open channel.

MR-HM 150.03 contains two different plate weirs as sharp-crested weirs. The two weirs are typical measuring weirs with defined weir openings: in the Thomson weir the opening is triangular; in the Rehbock weir it is rectangular.
The weirs are installed and screwed in place into the MR-HM 150 base module.
The weir can be installed and replaced quickly and easily.
Water from the small experimental flume in MR-HM 150 flows over the weir being investigated. A level gauge for detecting the head is included in the delivery. The head is used to determine the discharge, which is then compared to the measured values from MR-HM 150.

Learning objectives/experiments
free overfall at the sharp-crested weir
plate weirs as measuring weirs
· determining the discharge coefficient
· comparison of measuring weirs
(Rehbock, Thomson)
determining the discharge
comparison of theoretical and measured discharge

Specification
[1] discharge measurement in open channels using 2 measuring weirs
[2] measuring weirs for installation in the MR-HM 150 experimental flume
[3] Thomson weir with V-profile
[4] Rehbock weir with rectangular profile
[5] level gauge with scale for determining the head
[6] level gauge can be positioned anywhere along the experimental flume

Technical data
Weirs
material: stainless steel
self-sealing
rectangular profile
· LxW of the section: 60mm
V-profile
· angle of the section: 90°
· height of the section: 50mm

Measuring ranges
head: 0…200mm
LxWxH: 230x190x8mm (weir plates)
LxWxH: 290x190x290mm (level gauge)
Total weight: approx. 4kg
Scope of delivery
2 weir plates
1 level gauge
1 set of instructional material