空氣分佈方法 的英文怎麼說

中文拼音 [kōngfēnfāng]
空氣分佈方法 英文
air distribution method
  • : 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...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的規律.在此基礎上,比較了2種不同設計案的流流動特徵,尤其是研究了燃燒器通道內阻流板的設置與否對和煤的流動和混合的影響.結果表明,阻流板的設計對加強和煤的混合有著極為重要的作用,同時也增加了管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力
  2. 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模型試驗,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和步驟。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括腔形態、徑向流速及井壁壓強等;二、提出了豎井腔段螺旋水流水力計算,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻量估算,為導流洞排案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但化數依然較低,因此豎井的蝕始終是工程界關注的重大問題。
  4. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫對流流場中的某pcb板及其板上的電子元件陣列作為研究對象,推導了紊流流場的數學模型,並建立了相應的有限元求解格式,應用有限元析軟體對該系統的紊流流場和溫度場進行了模擬析:解算出pcb板上各電子元件的溫度;並提出了用於求解系統風道特性曲線的cfd
  5. Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently

    本文介紹機載對微波輻射計探測雲中路徑積液態水含量( l )的輻射傳輸原理和反演;根據吉林省長春市和陜西省西安市的歷史探資料和典型的層狀雲液水垂直模式,得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式;探索了和反演系數有關系的大的影響,並在各個月份之間進行了比較析;給出了反演誤差的數值模擬檢驗結果:在地面反演值對『真值』的統計相對偏差是15 - 25 ,在6公里高度處為5 - 10 ,表明該已具有實用可接受的精度。
  6. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維隙磁場的解析公式(集中電流電流) ,同時介紹了兩種永磁電機隙磁場計算(磁荷,直接求解拉氏) ,析各種的優缺點,討論電機參數對隙磁密的影響; ( 2 )介紹了單層同心繞組的布置式,根據安培定律推導出芯動圈式直線永磁同步電動機的靜推力計算公式,析靜態力?位移特性; ( 3 )建立芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  7. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的動力學模型,利用計算機進行數值析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速及流量,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的
  8. In this paper, the climatic variation features and spatial and temporal distribution of the flood and drought in zhejiang province were analyzed by using 36 monthly and seasonal station data during 1961 - 1999 observed over zhejiang province, 160 rainfall and temperature data during 1951 - 1999 observed over china, northern hemisphere 500mb height data during ! 961 - 1999, the planting and flood disasters area data in zhejiang province during 1949 - 1998. we used many method : calculated trend coefficient of rainfall and temperature, used eof, reof, ssa ( singular spectrum analysis ) and mem ( maximum entropy spectrum ) method and synoptic method. we first studied the climatic variation features of summer and autumn and characters of the flood and drought in zhejiang

    本文用1961 - 1999年浙江省36個象觀測站的降水量和溫資料、 1951 - 1999年全國160站的降水量和溫資料、 1961 - 1999年500hpa月平均高度資料和1949 - 1999年浙江省11個地市的受災面積、成災面積、耕地面積等資料,通過計算趨勢系數、變量場eof解、旋轉eof解、奇異譜析和最大熵譜析等多種統計學和天,研究了浙江省候變化特點及旱澇災害時的特徵。
  9. Abstract : yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    文摘:陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地形成大量的次生孔隙,為後期油運聚提供有利通道及宿住間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的
  10. Yanchang series is a typical low permeability reservoir, and its favourable sandstone reservoir is delta facies. heavy compaction, cementation and heterogeneity exist in it. according to the analysis of the main control factors of forming the secondary pore, it is held that the secondary pore in longdong area is controlled by both favorable facies belt and abnormal formation pressure. it is also held that the formation of the abnormal formation pressure is due to the dewatering of the clay mineral during diagenesis because the dewatering time is identical with the decarboxylation time of organism. organic acid and co2 are driven to adjacent favorable reservoirs under the abnormal formation pressure, and a lot of secondary pore is produced in the runners. from the present exploration result, it is useful to predicting the development of secondary pore to study the distribution of abnormal formation pressure

    陜甘寧盆地三疊系延長統是國內外典型的低滲特低滲油田,儲集層主要為三角洲砂體,壓實作用和膠結作用強烈,儲層非均質性非常嚴重,因此預測次生孔隙發育帶是尋找油聚集帶的關鍵.通過對陜甘寧盆地隴東地區延長統次生孔隙形成的主控因素析,認為陜甘寧盆地延長統次生孔隙的形成除了受沉積有利相帶控制外,還與地層異常壓力的作用密切相關.研究認為隴東地區異常壓力的形成機理主要由於成巖過程中粘土礦物脫水作用.粘土礦物大量脫水時間正好與有機質脫羧期相一致,從而在異常壓力作用下將生油巖中的大量有機酸及co2帶到與之相鄰的儲集層中,並沿著有利儲集相帶運移,在酸性水經過的地形成大量的次生孔隙,為後期油運聚提供有利通道及宿住間,從現今的勘探結果來看,通過研究地層異常壓力縱橫向特徵,並結合有利相帶研究預測次生孔隙育良帶是行之有效的
  11. In this paper, the spatial and temporal distribution of the summer rainfall of north china and the sea - ice extent of north arctic are firstly analyzed, by the way of svd we also analyze the correlation distribution pattern of the spring north arctic sea - ice and the summer rainfall of china, and find out that the key section of north arctic sea - ice is the greenland sea, then the climate characteristics of the spring greenland sea - ice are analyzed, at last we have discussed the infection of the spring greenland sea - ice on the summer rainfall of north china and its possible ways

    本文首先析了華北夏季降水和北極海冰面積的時變化特徵,並通過svd析了春季北極海冰面積與中國夏季降水的相關型,確定出北極海冰的關鍵區格陵蘭海,然後析了春季格陵蘭海冰變化的候特徵,最後討論了春季格陵蘭海冰對華北夏季降水的影響及其可能影響途徑。
  12. Using the inverse model to calculate the distribution of source density, based on gauss smoke plume ' s standard density distribution, environmental capacity of fluoride in the air of northern suburban in xining was found

    摘要由高斯煙羽模式推導出的標準濃度推算源強的反演模式,計算了西寧市北郊地區環境中氟化物的環境容量。
  13. The research result indicated that the distribution and change of around - flow - field parameters could be fairly described by simulation method in this paper

    研究結果表明,所採用的可以很好地描述沖擊波環流流場參量與變化規律。
  14. 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,並根據多孔介質中多相流體流動描述面的最新研究成果? ?體積平均程,建立了墻體熱、濕和耦合熱質傳遞模型,並推導出熱、濕和耦合傳遞等效擴散程;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模擬軟體,用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模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規律。
  15. In harsh climate region, the air temperature changes greatly between winter and summer. rcc dam are usually placed without bulk and longitudinal joints, and left free in winter. thus, it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam

    由於嚴寒地區冬季候寒冷、年內溫變化幅度大;碾壓混凝土壩採取通倉澆築、不縱縫以及越冬長間歇式的施工,使其具有獨特的溫度應力時規律,更增加了碾壓混凝土壩溫控與防裂難度。
  16. Based on 1960 - 2000 daily temperature data of 99stations in northeast china and ncep reanalysis data, the spring temperature in northeast china is analyzed, and the results indicate : 1 the spring temperature in northeast china presents upward tendency and the cycle periods of 14 years and 4 to 6 years. meanwhile abrupt change is significant between the year of 1984 and 1985

    利用東北地區99個測站的1960 ? 2000年春季逐日平均溫資料,以及ncep再析資料,採用旋轉經驗正交函數、 morlet小波析、合成研究了東北地區和各不同區域春季溫的時、年際和年代際變化特徵、春季溫異常以及低溫過程的環流特徵,並得出主要結論如下: 1 、東北地區春季溫存在著上升趨勢,並且有14年和4 6年的周期存在,東北地區春季溫存在突變現象,出現突變的時間在1984 1985年間。
  17. In this paper, basic dialectic of natural, according as theories of system science and disaster science, and basic rules of natural disaster science are used. causes of formation of disasters of floods, waterlogging and droughts are anatomised, and characteristics of spacial and temporal distribution of disaster movement are described. all - around analysis is made not only on the natural side like meteorology, geography, geology, etc. but also on social causes of disasters of floods, waterlogging and droughts from the point of view of the social - ecological environment

    本文以自然辯證原理為指導以系統科學與災害學的基本理論為依據,遵循自然災害發生的基本規律,剖析了湖北省洪、澇、旱災形成的原因;論述了災害運行的時特徵;不僅從象、地理、地質等自然因素等面對湖北省的洪澇旱災進行了全面的析,而且從社會生態環境的角度對湖北省洪、澇、旱災的社會原因進行了全面的剖析。
  18. Method of testing for rating air distributor performance

    器性能試驗
  19. Air conditioning design of hotel is important to hotel building. using computational fluid dynamics technology, this thesis studies indoor airflow of hotel air conditioning and discusses the optimizing method for hotel air conditioning design

    旅館調設計在旅館建設中至關重要,本文採用計算流體力學( cfd )技術研究旅館調室內狀況,並在此基礎上探討旅館調設計的優化
  20. Aiming at illustrating how the regional evaporation capacity was affected by human activities, this paper, by adopting statistics method, analyzed the materials covering fifteen evapotranspiration sites in chao lake valley spanning twentity years from 1981 to 2000, and then explored the relationship between the features of spatial distribution of evapotranspiration and relief, temperature, wind velocity, the amount of precipitation and other factors, as well as on the characteristics of evapotranspiration variation within a year and the trend of its annual changes

    採用了統計學,對巢湖流域15個蒸發點20年( 1981 - 2000年)的資料進行了析,初步探討了巢湖流域的蒸發量特徵與地勢、溫、風速、降水量等因子的關系,以及蒸發量在1年內的變化特徵和年際變化趨勢,試圖說明研究時段內人類活動對區域蒸發量的影響。
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