A tide head generation device for indoor physical model experiments

Abstract

The invention relates to a tidal bore tide head generating device for indoor physical model experiments. The tidal bore tide head generating device aims at simulating high flow-speed strong tidal bore tide heads. According to the technical scheme, the tidal bore tide head generating device for indoor physical model experiments comprises a water outlet pool, an experiment water trough, a water storage pool and a gate opening and closing control device; immersible pumps are installed in the water storage pool, immersible pump water outlet holes are formed in a rear side bottom plate of the water outlet pool, a front side bottom plate and a water return port are arranged between the rear side bottom plate and the bottom of the experiment water trough in sequence, and the water return port is provided with a gate; from the left end of a slope, the width of the water outlet pool is gradually reduced from left to right, and is reduced to be equal to the width of the experiment water trough at the right end of the slope; the height of the part, on the front side bottom plate, of the pool wall of the water outlet pool is larger than the height of the completely-open gate, and a safe distance is reserved; at least two layers of energy dissipating plates are arranged between the left side of the water outlet pool and the water storage pool, wherein the energy dissipating plates located on the top layer are arranged below the slope of the front side bottom plate, and the rest of the energy dissipating plates are arranged at equal intervals.

Description

technical field [0001] The invention belongs to the field of physical model experiments of estuaries and coasts, and in particular relates to a tidal head generation device for indoor physical model experiments. Background technique [0002] Tidal surge is a phenomenon of tidal surge in the estuary section of rivers entering the sea. During the propagation process, the local deformation is severe, which has a significant impact on river channel erosion, embankment protection, and flooding projects. In order to conduct scientific research on the flow structure and turbulence characteristics of tidal bore and the impact of tidal bore on the transport of sediment, salinity and pollutants, etc., and to solve practical problems in production, the movement law of tidal bore can be simulated by means of physical model experiments. Therefore, there is a need for a tidal surge head generation device related to an indoor physical model experiment. [0003] At present, there is no eff...

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Problems solved by technology

In the literature, there is a method of using a high-level water tank to store water, and raising the gate to make the water flow out from the bottom of the gate to form a tidal surge; when this kind of device generates tides, the water level in the tank drops, resulting in low tide head control accuracy and unsustainable tidal surges.

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