本文選題：雙層懸柵 + 數(shù)值模擬��； 參考：《水電能源科學(xué)》2016年11期

【摘要】：針對物理模型試驗(yàn)中雙層懸柵消力池內(nèi)水流波動(dòng)較大、壓強(qiáng)場難以測量的問題,利用流體力學(xué)軟件FLUENT建立RNGκ-ε雙方程紊流模型進(jìn)行數(shù)值模擬計(jì)算,得到消力池底板的時(shí)均壓強(qiáng)及懸柵迎水面與背水面的時(shí)均壓強(qiáng)差。通過對比分析計(jì)算結(jié)果表明,消力池內(nèi)布置雙層懸柵時(shí),消力池上游段底板、第1根懸柵及下層懸柵受水流沖擊較大,在結(jié)構(gòu)穩(wěn)定性設(shè)計(jì)時(shí)需提高其抗壓強(qiáng)度。
[Abstract]:In order to solve the problem that the pressure field is difficult to measure in the double-layer suspension grid of the physical model test, the RNG kappa - epsilon double equation turbulence model is established by using the fluid mechanics software FLUENT to calculate the time average pressure of the floor of the stilling pool and the difference of the mean pressure difference between the water surface and the back surface. The calculation results show that when the double-layer grid is arranged in the stilling pool, the bottom plate in the upper section of the stilling pool, the first suspended grid and the lower hanging gate are greatly impacted by the water flow, and the compressive strength of the structure should be improved when the structural stability is designed.

【作者單位】： 新疆農(nóng)業(yè)大學(xué)水利與土木工程學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(51469031) 新疆研究生科研創(chuàng)新項(xiàng)目(XJGRI2015094) 國家級大學(xué)生創(chuàng)新訓(xùn)練計(jì)劃項(xiàng)目(201510758029)
【分類號】：TV653.1

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