Numerical simulation for hydraul ic characteristics of double suspended grid in the stilling basin
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Abstract:
Thr ough phy sical mo del ex periment, it is hard to g et det ailed hydraulic parameter data such as v elocit y, pr essure, et c. To co pe, the paper uses fluid dynamics softw are FLUENT to set up RNG k- Edo uble2equat ion turbulence model to make nu2 mer ical simulatio n, so as to get hydraulic parameters such as max imal wat er depth, flow pattern, v elo city and pr essure, etc. Then makes analy sis of compar ison betw een mathemat ical model calculated value and physical mo del ex per iment al value, and makes a2 nalysis of compar ison among numerical model calculated values. T he result show s the mathemat ical mo del calculated value and phy sical model ex per imental v alue are r oughly ident ical, and the er ro r between calculated value and experimental value is small when double suspended gr id is arr ang ed. The double suspended gr id has stro ng capacity t o make curr ent g enerate sw irl, hence small impact o n a pr on slab by cur rent, and lower ed surg e at the apr on slab, lar ger effect on
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