空氣模型試驗 的英文怎麼說

中文拼音 [kōngxíngshìyàn]
空氣模型試驗 英文
air model study
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  • 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
  • 試驗 : trial; experiment; test
  1. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  2. The analysis of aerodynamic drag data shows that air drag coefficient reaches 0. 539

    阻力數據分析表明,阻力系數為0 . 539 。
  3. The analysis of the repeated test data shows the maximum deviation of air drag coefficient is less than 0. 88 % and the deviation of the most surface pressure data is within 1 %, it illustrates the test data is reliable

    重復的數據分析表明,阻力系數數據的最大偏差小於0 . 88 ,絕大部分測壓數據的偏差均在1以內,這說明客車風洞數據的精度較高。
  4. The main discharge types in insulation of electrical transformers were analysed, 7 kinds of experimental models simulating discharges in electrical transformers and 3 kinds of models simulating interfering discharges in air were designed and model experiments under some circumstances were performed

    分析了變壓器絕緣的主要放電形式,設計了擬變壓器放電的7種和3種中放電干擾的,進行了不同情況下的放電
  5. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔風洞所測得的橋塔力靜力系數及塔頂抖振響應的位移均方根,採用線性疊加法及有限元法反演,給出設計風速下塔底控制截面的順風向靜風及抖振內力。
  6. In this paper, using high - speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high - speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train and the ratio of train with tunnel was analyzed, the result is helpful for future research

    利用高速列車動力學系統對高速列車在進入隧道過程中瞬變壓力的傳播規律進行研究,並分析了列車速度以及阻塞比對測結果的影響,得出的結論對以後的研究具有一定的參考和借鑒。
  7. In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,

    根據節能設計要求,本文用熱力學的方法,並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程,建立了墻體熱、濕和耦合熱質傳遞,並推導出熱、濕和耦合傳遞等效擴散方程;找到建築墻體熱、濕及耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值擬軟體,用實測數據對軟體進行調並對擬計算結果進行了證。擬出了單材料墻體在熱、濕和耦合作用下建築墻體內的溫度和濕度分佈規律。
  8. In consideration of the special mission characteristics and technical requirement of high altitude long endurance unmanned aerial vehicle, an authentic real - time and space - time windfield integrated model is accomplished to take atmosphere environment influences into account. at the same time, we should analyze the dynamics the uav encounters dispersedly, so the " finite scale " aircraft concept is quoted

    根據長航時無人機的特殊飛行任務特點和技術要求,在飛行階段,有必要綜合考慮飛行環境中各種大干擾因素的影響,為無人機設計與擬提供一個真實、適時的風場時分佈
  9. By applying related theory of gas discharge and mathematical statistics, this paper more in - depth and systemic study the influence of the length of air gap, ice state, water conductivity and air pressure on the inception corona and pulse discharge characteristics, included the discharge frequency, discharge amplitude and time interval

    根據結果,用體放電和數理統計方法,分析了覆冰水電導率、冰的狀態(乾冰和濕冰) 、間隙長度、壓和施加電壓等參數的變化對間隙的起始放電電壓、脈沖放電特性、放電頻率、放電幅值和時間間隔等的影響。
  10. The model fitting and forecast show that the model not only can fit the changing tendency of air pollution, but also can forecast air pollution density quite accurately

    擬合及預報表明,這些預測不但可以很好地擬合污染濃度的變化趨勢,而且還能夠對未來幾個月的污染濃度做出較準確的預測。
  11. Abstract : based onmethods of foreign countries of using wi nd tunnel test and numerical flow simulation, optimum nose a nd tail shapes ofhigh - speed trains are studied to achieve optimum aerodynamic performance so as to efficiently reduce the influence of theaerodynamic phenome na on the train operation and the environment. research results of foreign countr ies are introduced

    文摘:針對國外利用以風洞和以流場數值擬計算為主的方法來尋求高速列車最佳的頭尾部形狀,使列車的綜合動性能最佳,從而有效地降低動力學現象對列車運行和周圍環境的影響進行了探討,介紹了國外在此方面取得的主要成果。
  12. In this paper the model of pill flying outer ballistic trajectory is established, and the aerodynamic force calculating method is given. the author set forth the relation of small caliber gun currency firing table and ballistic trajectory consistency, and give testing relation formula of small caliber gun cartridge ballistic trajectory consistency ; at the condition of navy 37 millimeter gun, the design of improved shrapnel currency firing table project is studied ; the data of shooting experimentation is analyzed, and have contrast analysis with theory calculating result. give better improved shrapnel project, and the ballistic trajectory consistency experimentation show that the project satisfy the request of the ballistic trajectory consistency

    本文應用了彈丸飛行時的外彈道並結合彈丸的動力計算方法,分析了小口徑艦炮通用射表與彈道一致性的關系,並給出了小口徑艦炮彈藥彈道一致性的檢關系式,研究了在海37艦炮的條件下對改進榴彈通用射表方案的設計,進行了對射擊數據的分析,並與理論計算結果進行了對比,給出了相適宜的改進彈方案,並經彈道一致性證該方案滿足彈道一致性要求。
  13. Second, according to the concrete condition, argues the application feasibility. in terms of the result of air - condition loading calculation, this technique can save energy more than 25 %, get many airflow parameter combinatorial in the same time, and provide important independence

    對標準機組段調負荷核算與流組織設計計算結果表明,夏季採用分層調技術至少可望節能25 % ,同時獲得了眾多可能滿足分層調需求的流組織參數組合,為后續提供了重要的技術依據。
  14. The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    建立了冷卻實臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1上對分離式熱管管內凝結換熱特性、不凝性體對凝結換熱的影響及不凝性體的擴散規律進行了,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實的壓力范圍內,降低了9 . 5 % ;不凝性體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排閥排出不凝性體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
  15. Abstract : the condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure

    文摘:建立了冷卻實臺,熱管的加熱方式為電加熱,工質為蒸餾水.在1 1上對分離式熱管管內凝結換熱特性、不凝性體對凝結換熱的影響及不凝性體的擴散規律進行了,得出分離式熱管有一最佳充液率,其值為45 %左右;凝結換熱系數隨著蒸汽壓力的增加略有降低,在實的壓力范圍內,降低了9 . 5 % ;不凝性體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分,通過排閥排出不凝性體可有效地改善冷凝段下部的凝結換熱;隨著壓力的增加,不凝性體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制
  16. With reference to calculation methods of solar radiation within domestic and abroad literature and with the help of our country ' s dem ( with its resolution is 1 km x 1 km ), we build a new model for potential solar radiation calculation combining with pci geomatica ' s platform. in the calculation, hypothesis is that insofar one clear day in more than one year as the biggest value of solar radiation of one day in many years is defined as potential value of daily global solar radiation, we also consider the infection of the slope, aspect and its geometry relations affect on solar radiation. we calculate potential solar radiation which maybe useful for research the distribution of solar energy and build large - scale grid database of our country ' s solar radiation

    本研究圖在借鑒國內外已有的太陽輻射計算方法的基礎上,利用全國的1 : 100萬數字高程數據( grid大小1km 1km )為數據源,以pcigeomatica為計算平臺,以全國多年的太陽輻射日觀測數據進行證,在晴天無雲的理想條件下,根據太陽光線與實際地形間的幾何關系,研究坡度、坡向等地形因子對太陽輻射的影響,探討太陽輻射在復雜地表上的分配規律,力求尋找潛在太陽總輻射合理的計算方法,為研究太陽輻射時分佈特徵和建立全國尺度的太陽輻射柵格象數據庫奠定基礎,為大尺度上的生態學過程研究提供基礎信息。
  17. Based on the experiment conclusion of before period of ventilation model experiment of langya shan hydropower station ’ s underground houses, the keystone of current period is study about air distribution and flow on dynamo floor. the research is divided into 3 steps, each step acquire relevant conclusion

    本論文系在瑯琊山水電站通風項目前期研究成果的基礎上,結合后續研究課題,著重研究該電站地下廠房發電機層流組織以及流動與分佈特性。研究分三個階段進行,各階段獲得了相應的成果與結論。
  18. So, it ’ s of particularity and application value to study the air distribution of the station. according to the air ventilation and air conditioning ’ s model experiment of the thermal environment ’ s peculiarity in the underground powerhouses of the langya - mountain hydropower station, this paper presents the research on the distribution of temperature and velocity in the main underground working units

    本文結合瑯琊山抽水蓄能電站地下主廠房熱態項目的後期研究任務,進行該電站頂送風地下主廠房通風調熱環境特性的和數值計算,著重對地下主廠房發電機層的流組織優化及間溫度和速度分佈性狀進行研究。
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