風量分佈 的英文怎麼說
中文拼音 [fēngliángfēnbù]
風量分佈
英文
wind distribution-
Degenerate elliptic ; weighted sobolev space
個體風險模型復合poisson分佈索賠量Geographic distribution of winter wheat yield loss risk and its classification in north china
北方冬小麥產量災損風險類型的地理分佈In this thesis, we research into the geochemical data of the groundwater from the granitoid weathering crust of the fogang granite in baisha region, guangdong province
本文研究了廣東省白沙地區花崗巖風化殼地下水的水化學特徵,特別是與花崗巖的風化過程有關的稀土元素含量及其分佈模式。Some of the more pertinent variables include the relative wind, the type of terrain onto which the flammable fluid has drained, the fuel distribution, the location of the fuel spillage within the aircraft, the number of structural openings ( designed or crash produced ) that meter the inflowing air available for an internal fire, and the amount of fuel available to spill
某些更重要的因素,包括相應的風速,油料瀉溢的地面狀況,油料的分佈,飛機內油料外溢的位置,根據結構上開口的數量(設計上的與墜機造成的)來計算灌入的空氣是否會造成內部火災,以及可能外瀉的油料量。Numerical simulation and analysis of wind environment in an urban residential district are carried out, based on the theoretical research conclusions mentioned above. airflow fields distributions of pressure and turbulent quantities are obtained and laid out. statuses of wind environment with two different inflowing - azimuths are discussed
基於上述基礎理論研究對住宅小區風環境(住宅小區熱環境的主要組成部分)進行了數值模擬及分析,討論了兩種不同角度來流的風環境狀況:氣流組織、風壓分佈、湍流量分佈等。The third part mainly analyzes four risks of house tenancy center and the corresponding managing measures. the part analyzes profit and free - rent period through discussing probability of house in - and - out quantity in profit risk, proposes the risk management measures of cash supervisory mechanism and selectivity financing in capital gap risk, putts forward the measures of liquidity gap forecast, improving credit and adopting different free - rent period in house liquidity risk, and introduces the credit swap to transfer leaseholder default risk
本部分主要分析了房屋置業中心的四個風險,分別是收益風險,通過引入給定時間段內的房屋存貸量的概率分佈分析了房屋置業中心的收益風險和空租期的確定;資金缺口風險,並提出現金監理機制和選擇性融資的風險預防措施;房屋流動風險,提出流動缺口預測、提升自身形象、採用不同空租期的風險管理措施;承租人的支付風險,主要引入了信用掉期合同來轉移這種風險。In consideration of multitype risk in the operation of insurance companies, this paper studies some important variables in insurance business and then comes to the conclusion that the surplus process is related to safe load and individual claim amount distribution when the preliminary reserve is zero while the surplus process is related to adjustment coefficient when the preliminary reserve is beyond zero
摘要考慮到保險公司同時經營多種不同質風險的情況,本文從保險業務中需要研究的幾個重要變量出發,研究了初始準備金為零時,盈餘過程與安全負荷及個體索賠額分佈有關;當初始準備金大於零時,盈餘過程與調節系數相關等情形。It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods
對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。Locations of anemometers and tide gauge stations mentioned in this report
本報告內提及的各測風站及潮汐測量站之分佈。Using the post processing tools of this cfd software, this article analyses the temperature and velocity field in the vav air - conditioned office and finally evaluates the indoor air distribution, adopting air diffusion performance index ( adpi )
利用cfd軟體的后處理工具對不同送風方式以及不同工況下的變風量空調室內的溫度場和速度場進行了分析,最後採用空氣分佈特性指標對空調室內的氣流組織進行了綜合評價。Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air
經過本文研究發現,利用cfd技術可以有效地對空調室內氣流組織設計進行指導,全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下,利用具有良好貼附效應的送風口如方型散流器和條縫風口送風,空調室內的溫度場和速度場較均勻,室內的熱環境良好。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氣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空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,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方案,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方法。In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer
蛋品激勵出的聲音主要集中在低頻段,因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路;放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機,對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖;而後將能量分佈特徵數據作為神經網路的輸入值,這樣,好蛋和破損蛋的模型就建立起來。This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area
主要內容包括:提出一種全新的壓氣機葉輪技術和概念,這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪;從增壓器與柴油機配機計算所得出的基本參數出發,通過對壓氣機進行熱力計算,確定壓氣機的基本結構參數;再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化,對新設計的壓氣機進行喘振和堵塞分析;通過增壓器平臺性能試驗,驗證了新設計的壓氣機的性能水平得到了較大的提高,達到了提高增壓器的整體性能水平的目的;通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗,驗證了新設計的壓氣機不但具有高效率,還改善了高效率區的流量分佈,使牽引特性線貫穿高效率區。Based on wind tunnel tests, wind pressure distributions on cylindrical shells with different aspect ratios were measured simultaneously in wind tunnel with rigid models under different terrain types and attack angles
摘要基於剛性模型的風洞試驗,在不同風攻角及場地條件下,對考慮不同長跨比的柱面殼體表面風壓分佈進行了同步測量。Some characteristics of the measured wind pressure field were discussed, including distributions of wind pressure, the effects of shape ratio on total wind force coefficients, auto - and cross - power spectral density ( psd ) distributions of fluctuating wind pressure, characteristics of the proper orthogonal decomposition ( pod ) results of the measured wind pressure field, effects of reynolds number on wind pressure distributions, etc
根據測量結果對殼體表面風壓場特性進行了分析,包括風壓系數、整體風力系數、脈動風壓自功率譜及互功率譜、風壓場本徵正交分解特性、雷諾數對殼體表面風壓分佈的影響等。According to the wind speed distribution function with exponential rule, the difference value is accurately calculated between the actual wind power produced through the rotor swept area and the wind power produced by taking wind speed at the rotor centre as the design wind speed, and the power increment is obtained
摘要根據指數律的風速分佈函數,對風輪掃掠面積上的實際風功率與以風輪中心風速為設計風速產生的風功率的差值做精確計算,得到了風功率的增量。Then we get ruin probability, actuarial diagnostics and lundberg inequality in the new model. as to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. we derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin
對于保費率為隨機變量的一類風險模型,本文就離散的隨機變量、連續的隨機變量、一般的隨機變量三個方面進行討論,運用概率方法和風險理論的方法推導出破產概率、末離前最大盈餘分佈、破產前瞬時盈餘與破產赤字的聯合分佈等精算量分佈的一般公式。Hence, this paper is accomplished to develop the study of the wind power generation cost. the content is as follows : first, the history and the present of wind power generation are introduced ; second, the social cost of wind power generation are studied by means of comprehensive analyses
1首先,本文介紹了風力發電的歷史和現狀; 2其次,運用層次綜合分析方法,從社會總成本的角度對風力發電成本進行研究,得出風力發電的社會總成本第二的結論; 3再次,運用風速分佈模型、期望發電量模型、風電成本計算模型,對我國風力發電的實際成本狀況進行研究;通過敏感性分析的方法,以實例對影響風電成本的因素進行研究。The more details about author ' s work are as follows : 1 ) the mathematical models of solar array wind turbine, diesel, battery, converter and inverter are presented based on quasi - steady state theory. by using the models, the power flow may be determined corresponding to solar radiation and wind velocity data so that the long - term performances of wsdbhps can be predicted
具體說來本文的工作及創新點如下: 1 )建立了光伏陣列、風力發電機組、蓄電池、柴油機和逆變器的穩態數學模型,利用該模型可以計算出對應實時的太陽輻射強度和風速下系統的實時能量分佈,為預測系統功率流以及長期穩態性能打下基礎。分享友人