aerodynamic diameter 中文意思是什麼
aerodynamic diameter
解釋
空氣動力直徑- aerodynamic : adj. 空氣動力學的。 an aerodynamic missile 飛航式導彈，有翼導彈。n. -s 空氣動力學，氣體力學。
- diameter : n. 1. 直徑。2. （顯微鏡等的）放大倍數。
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Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it
變直徑傾轉旋翼能有效的改善傾轉旋翼機懸停和巡航狀態下的氣動效率，本文提出了變直徑傾轉旋翼試驗模型設計方案，完成了可變直徑傾轉旋翼的結構設計，並利用虛擬樣機技術對變直徑傾轉旋翼的運動特性、結構動力學特性以及結構強度進行了分析、研究。 -
On the basis of axial vortex theory, the aerodynamic performance of tilt - rotor model has been built, and using it to analyze the aerodynamic performance of xv - 15, comparing to the actual data to prove the model ’ s validity, finally studied the variety of aerodynamic performance relative to the variable rotor diameter
以軸向渦流理論為基礎，建立了適合於傾轉旋翼機氣動分析模型，以xv - 15傾轉旋翼機作為算例，通過結果的對比，表明本文的氣動模型能較好的分析傾轉旋翼機的氣動性能，並在氣動性能的基礎上分析了直徑變化對傾轉旋翼機氣動性能的影響。 -
Respirable suspended particulates have aerodynamic diameter of 10 micrometres and less pm 10
懸浮粒子的氣動力學直徑在10微米或以下的簡稱pm10稱為可吸入懸浮粒子。 -
Respirable suspended particulates ( rsp ) have aerodynamic diameter of 10 micrometres and less ( pm10 )
懸浮粒子的氣動力學直徑在10微米或以下的（簡稱pm10 ）稱為可吸入懸浮粒子。 -
The effect of the number of grid, liquid water content ( lwc ), median volumetric diameter ( mvd ) and ice layer time step on ultimate ice shape is analyzed, the aerodynamic characteristics of the iced airfoil is analyzed simply, too
分析了網格數、空氣液態水含量、水滴當量體積直徑和冰層時間步長對模擬冰形的影響，此外還對結冰翼型的氣動特性進行了簡要的分析。 -
With increasing span length of suspension bridges, the cable ' s diameter and also the wind load acting on it, the static wind action and the spatial non - uniformity of wind speed increase consequently, which may have an unnegligible influence on the aerodynamic stability of long - span suspension bridges
摘要隨著懸索橋跨徑的增大，纜索直徑以及作用在其上的風荷載、靜風效應以及風速空間分佈的非均勻性都將隨之增強，對大跨徑懸索橋的空氣動力穩定性將可能帶來不容忽視的影響。 -
Data of daily emergency hospital admissions to 15 major hospitals in hong kong for copd and indices of air pollutants sulphur dioxide so2, nitrogen dioxides no2, ozone o3, particulates with an aerodynamic diameter of less than 10mm pm10 and 2. 5mm pm2. 5 and meteorological variables from january 2000 to december 2004 were obtained from several government departments
研究分析了2000年1月至2004年12月的有關數據，包括全港15間主要醫院慢阻肺病入院數字、主要空氣污染物的濃度資料（二氧化硫、二氧化氮、臭氧、 10微米或以下的懸浮粒子和2 . 5微米或以下的懸浮粒子）及其他有關的氣象數據。
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