給料孔 的英文怎麼說
中文拼音 [gěiliàokǒng]
給料孔
英文
feed opening-
Numeral results of dsif at radial crack tips of ellipse and square cavities are provided. then the influences of different shape cavities upon the dsif at the crack of their edges are discussed. 5. scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied
給出了橢圓孔和方孔孔邊徑向界面裂紋尖端動應力強度因子的數值結果，討論了在不同形狀孔、不同入射波數、不同入射角和不同材料常數組合情況下孔邊徑向界面裂紋尖端動應力強度因子變化的規律。3, analyzing the stress field of the aero - engine case under the given loads, the fatigue life of the case is predicted through the presented fatigue model and the method of " nominal stress "
用該模型對孔徑為5mm層合板的s ? n曲線進行疲勞壽命預測及試驗驗證。 3 、首次對某型發動機t300 kh - 304復合材料機匣的主鋪層在給定工況下的疲勞壽命進行預測。The finite element model and result are given. the influence on displacement of different finite element model ' s lateral boundary and the cavities " radius and the variety of dynamic stress concentration at different ratio of long - axis divided to short - axis and material are discussed
給出了有限元模型和計算結果，討論了有限元橫向邊界不同和孔徑大小不同的情況下對位移的影響，還討論了不同長短軸比和不同材料情況下動應力集中系數的變化。This system has the friendly windows for dialogue between person and machine, can draw and label the plan of each roll groove with the way of parameterization drawing, under the condition that giving the size of the rough blank the specifications of the finished product and the technical parameters of the roll, selecting the minimum consumption as the target function, adopting the optimization, adopting the boundary condition of the grip the strength of roll and the check of the power - generating. moreover, the plan can be outputted in the software of autocad
本系統具有友好的人機對話界面，可以在給定坯料尺寸、成品尺寸和軋機技術參數的條件下，以能耗最小為目標函數，採用最優化方法，在滿足咬入條件、軋機強度校核、電機校核等邊界條件下優化設計出最優的孔型系統，採用參數化繪圖方法將優化設計結果繪製成孔型圖並進行標注，最終可以向autocad繪圖軟體輸出。First of all, the mathematical model and theoretical formula of static characteristic for both whole and partial porous bearings are presented. the solutions are also given
本文首先提出了局部多孔質和全多孔質靜壓徑向軸承理論計算模型，根據氣體在多孔質材料中的流動特性給出了軸承的性能表達式，並進行求解。The simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall
計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長，促進燃料與氧化劑的摻混燃燒，提高燃燒效率，但由於渦流在發動機的中間部位形成了高溫燃燒區域，致使局部燃料和絕熱層燒蝕速率增大，加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用，不能增加推進劑燃燒效率，但可以使擾流腔內的溫度降低，給壁面熱防護帶來好處。Through a lot of test pile material, this essay concludes the vertical bearing capacity calculation formula of man - made pile with bulb shaped base by strength theory and relative deformation as control criterion. the method of defining pedestal pile foundation deformation modulus is especially discussed in this article, and it takes the mindlin solution as the starting point using mathematics method to get the poisson ' s ratio ( u ) which is the factor influencing foundation soil deformation modulus, and a deformation modulus calculating equation is finally determined
本文通過大量試樁資料和有限元計算分析，給出了以強度理論和相對變形為控制標準的人工挖孔擴底樁豎向承載力計算公式。其中特別論述了擴底樁地基變形模量的確定方法，並從mindlin解出發利用數學方法得出了影響地基土變形模量大小的因素?泊松比，初步確定了比較完善的變形模量計算公式。Heat supply heating and hot water supply is provided with : hybrid solar system on the base of solar collectors water - air, area - 12 square meter in the southern wall of a greenhouse ; passive solar system combined with the northern wall made of hollow blocks 0, 2 m wide and filled in with hae of porous material
該溫室通過以下方式提供熱水和供暖：南墻使用面積為12平方米的綜合太陽能系統，該系統使用太陽能收集器制給空氣和水體加熱北墻使用被動太陽能系統，即墻體由每塊0 . 2米寬的空心磚砌成，磚內填充多孔蓄熱材料。分享友人