drop energy 中文意思是什麼

drop energy 解釋
降落能
  • drop : n 1 滴;液滴,水滴。2 〈pl 〉 【藥學】滴劑;滴眼藥。3 微量,點滴;一口[杯]酒。4 滴狀物;耳墜;水...
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  1. Abstract : through study on energy dissipation of goupitang project on the wu - jiang river, the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380

    文摘:結合烏江構皮灘水利樞紐工程消能問題研究,用熱膜流速儀在比尺為1 380的精細模型上量測了拱壩挑跌流在水墊塘內的流速場,並由試驗成果分析了淹沒射流在水墊塘內的消能過程,計算了消能率。
  2. 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分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,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,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,對豎井各部分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氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,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,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. If our sun were to suddenly collapse into a black hole of the same mass in a split second, the earth s orbit would not change a bit ! of course, we will feel a large drop in temperature though because we won t be receiving any energy from it

    比喻來說,如太陽忽然成為相同質量的黑洞,地球的軌道不會有絲毫改變當然我們會感到溫度大降,因地球再接收不到太陽所發出的能量。
  4. Because the pt secondary loop voltage drop directly affects the accuracy of the electric energy measurement. after consulting a great amount of materials, the best method to reduce the pt secondary loop voltage drop was put forward based on analyzing the cause of which

    由於電壓互感器二次迴路壓降直接影響電能量計量的準確性,嚴重時會危及電力系統的穩定運行,因此本文從分析電壓互感器二次壓降的形成機理入手,並提出最為合理的二次壓降治理方案。
  5. The pulsed fluid beds can overcome these problems, especially for uneasily fluidized and special materials, and it has lower pressure drop, small fluidization velocity, height and saving energy etc

    脈沖流化床乾燥器用來乾燥不易流化的物料和有特殊要求的物料,能有效克服上述弊端,且具有壓降低、流化速度小、床層高度小、節能等優點。
  6. Most of the energy generated in the protostar stage comes from the gravitational energy of the cloud, just like a ball will drop with increasing speed from your hand if you release it

    在原恆星階段,星體的能量主要來自星際雲引力塌縮時所釋放的位能,猶如樹上的蘋果會向下掉一樣。
  7. 7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area

    ( 6 )高溫巖體地熱開發中,裂縫面法向應力受溫度變化的顯著影響,在系統開始運行的一個月內,注入井附近區域其溫度降低較快,形成低應力區;隨開采時間的延長,其溫度變化逐漸平緩,而生產井附近區域溫度降低加快,逐漸形成新的低應力區。
  8. Based on the method of energy consumption, an analysis is given of the impact, which the dirt growth of a tube and shell sewage heat exchanger will have on transfer intensity, flow pressure drop and their energy losses

    本文運用熱力學能耗分析法,分析了管殼式污水換熱器中軟垢的厚度對換熱強度、流動壓降及其有效能損失的影響。
  9. This overview highlights selected algorithmic solver code advances in the used simulation tools, the use and the modelling of new materials for crash energy absorption, concept car design techniques, massive parallel programming and performance gains, side impact barrier modelling, mechanical occupant surrogate modelling ( dummies ), biomechanical models of human parts, as well as extensions of crash simulation techniques to the simulation of drop tests for appliances, shock absorption of a mars lander, etc

    內容包括作為模擬手段的計算程序的最新進展,新的緩沖材料的應用和模擬,大規模并行程序的編制和性能的增加,側撞障礙物模擬,乘客模型(假人) ,生物人體部件模型,碰撞模擬技術擴展應用到設備跌落試驗和火星著陸艙的緩沖等。
  10. But for real microfiltration, the distribution of shear stress on the membrane of the module with outside helical flow would have benefit to make smaller number of particles deposit on the membrane. ( 2 ) by means of orthogonal test and regression method, four new models, trans - membrane pressure model, flux model, trans - module pressure drop model, and efficiency model, were established, which roundly describe the performance of outside helical mf by depicting the flux, energy loss, and handling capacity simultaneously

    ( 2 )採用正交回歸實驗,在無顆粒沉積的理想情況下,建立基於層流數值解的膜器跨膜壓力損失模型、過濾通量模型、過膜器的壓力損失模型和膜器過濾效率模型,首次從通量、能量損失及膜器對料液的處理能力等三個方面,更全面地對外旋流方式下的微濾過程進行了描述。
  11. Partial substitution of manganese in lixmn204 by cobalt or lithium can reduce the fermi energy, increase the. net charge of lithium ion, and diminish the value band width, corresponding to the drop of the discharge voltage, the loss of the reversible capacity, and the improvement of the cycling performance due to increasing structural stability, respectively

    在limn2o4中摻入鈷和用鋰離子代替16d位錳離子將使材料的費米能減小,放電電壓降低;摻雜態中部分鋰離子的凈電荷增大,鋰離子與氧離子的相互作用增強,可逆容量降低;摻雜態的價帶寬度變窄,結構的穩定性增加,從而改善循環性能。
  12. Because the operation in water hydraulic valves is controlled by flow fluid and the pressure drop results from energy loss of flow fluid past valve channel, the flow state of fluid in valves becomes the most important factor for the operational property of valves

    由於水壓閥是通過控制流體流動來操作系統的,閥的壓降也來自於流體流經閥道時的能量損失,因此閥內的流體流動狀態就成為決定閥操作性能最為重要的因素。
  13. The heat pipe exchanger has the advantages of compact, controlling erode of acid dew point, high efficiency, low pressure drop loss and reliability, so they are used widely in heat energy utilization and waste heat recovery. it is also helpful to recover the waste heat, save the raw materials and reduce the production costs. economic benefit from application is obvious

    以熱管為傳熱元件的熱管換熱器具有下列特點:傳熱效率高,壓力損失小,工作可靠,結構緊湊,有利於控制露點腐蝕等,這些獨特的優點是它在解決能源問題,如:利用熱能、節約原料、降低成本等方面,特別是在工業余熱利用中發揮了越來越多重要的作用。
  14. In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious

    摻氣分流墩的增加,明顯地改善了階梯面上的壓強分佈,消除或減小了階梯凹角內和立面上部的負壓;由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊,使水流的摻氣濃度和消能率都得到較大的提高,降低了階梯面空蝕的可能性,特別是在大單寬流量時,這種效果更為明顯。
  15. Influence of cooling water pressure drop on the energy saving reform of air conditioning unit

    冷卻水壓差在空調機組節能改造中的作用
  16. The authors first apply basic theory of equivalent heat drop on the common circulation heat calculating model for thermal system in supercritical pressure power unit with second reheat cycles and other kind of condensing steam turbine by mathematical derivation strictly, based on the normal energy balance and theory of equivalent heat drop, aiming at characteristics of thermal system in which there are outer steam coolers that high pressure heater and low pressure heater carry

    摘要以常規熱平衡方法和等效熱降理論為基礎,針對二次再熱超臨界機組熱力系統高低壓加熱器均設置外置式蒸汽冷卻器的特點,經過嚴格的數學推導,將等效熱降理論應用於二次再熱超臨界機組熱力系統循環吸熱量計算的研究,並提出了適用於不同類型凝汽式機組的通用數學計算模型。
  17. Research on hydraulic transients and operating system for energy - reserve rapid - drop gate of large scale pumping stations

    大型泵站水力過渡過程計算及蓄能式液壓啟閉閘門的研究
  18. Drop off colonists, fighters, torpedoes, and the energy you made from real space moving

    降落人口、戰斗機、魚雷和你從太空中移動中做的能源。
  19. The new type dryer is characterized not only by simple and light structure, low pressure drop and uniform drying, but also by obvious energy saving

    與原有乾燥機相比,其具有結構簡單、質量輕、床層壓降小、乾燥均勻等優點,而且節能優勢明顯。
  20. Petroleum output peaked in 2006 and now will drop annually, according to a german energy study

    德國的一項能源研究指出, 2006年石油生產達到峰值,今後將以每年7 %的速度遞減。
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