scouring velocity 中文意思是什麼
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The scouring velocity of the molten steel against roll core is the highest and lower when the pouring angle is 15 and 90, respectively
澆注傾角為15時，鋼液對輥芯的沖刷速度較大，而澆注傾角為90時，鋼液對輥芯的沖刷速度較小。 -
Abstract : through the theoretical liquid dynamics complex study to the bridge pier and abutment circling flow, this paper related with bridge abutment maximum clear water equilibrium scouring experiment ? s analyses has made out the bridge abutment ? s velocity circulation, maximum flow capacity per unit width, and the maximum part scouring depth counting method
文摘:對不可壓縮理想流體橋臺平面繞流復勢研究，確定橋臺繞流流速環量和橋臺極限繞流流量，並結合清水極限平衡沖刷實驗進行橋臺最大局部沖刷深度的理論探討 -
The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model
在總結前人研究成果的基礎上，試驗研究了摻氣對基巖沖刷破壞的影響；基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性；摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響；摻氣對射流軸線流速變化的影響等。 -
1. temperature measurement surface thermocouple with protective tube directly welded on the surface of furnace pipe to avoid scouring from extremely flow velocity and damage to measuring element at high temperature, also corrosion to the thermocouple from hydrogen and sulfur
1 .一種帶護套管測溫表面熱電偶，護套管直接焊在爐管表面，避開了高流量沖刷，高溫溫度對測溫元件的破壞，氫硫對熱電偶的腐蝕
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