power tunnel 中文意思是什麼
power tunnel
解釋
發電洞-
The jet engine requires a huge scavenging system sometimes using half as much power as the tunnel itself in order to keep contamination low.
噴氣發動機試驗要求龐大的排氣清除系統，以減輕污染，該系統有時要耗去風洞本身功率一半之多。 -
To provide necessary data for design bypass pipe, an enlargement to bi liu river reservoir, the following problems have been studied by hydraulic model and theoretical analysis : the energy losses in water head of the bypass pipe system and of the flow - control valve and their scale effects, measurement and calculation of the discharge of the bypass pipe system during the bypass pipe system operation with and without the new water power station, the hydraulic characteristics of the water tunnel and draw - off pipe, the flow rate of the aqueduct bridge and the draw - off pipe and the water elevation of the flow in the aqueduct bridge during the old water power station operation with and without the new water power station
大連市碧流河水庫供水工程取水頭部由引水渡槽、節制閘、進水閘、泄水閘等建築物組成。由於本工程場地條件限制，增設旁通管后布置非常緊湊，管道急轉角度大且轉彎距離較小，對于管內水流流態是否滿足要求，需要經過模型試驗進行論證，以確保工程的可靠性。旁通管具有上水與泄水要求，對其過流能力也要經試驗確定，為碧流河水庫增建旁通管設計提供依據。 -
Construction of a 4. 5m diameter, 4. 5km long cable tunnel with a portal at lung fai street near castle peak power station and a ventilation building near sun tuen mun centre in tuen mun ( see figure 2 )
修建一直徑4 . 5米，長4 . 5千米之電纜隧道，及一位於龍輝街近青山發電廠之隧道入口，以及一位於屯門近新屯門中心的通風機房（見圖2 ） 。 -
Abstract : through a series of hydraulic model tests for researching actual power tunnel operation, a conclusion is reached that in order to get a better flow pattern the profile of the wate - carrying structure should be adapted to the variation of water streamline shrinkage, flow velocity and pressure intensity. the configuration and dimension of the kinetic energy dissipator should be selected carefully to make the water tunnel safe and reliable at different levels of diversion dischage
文摘:針對實際工程中的發電引水隧洞運行的各種工況進行了水工模型試驗研究，指明要獲得良好的水流流態，過水建築物各部位結構輪廓的造型應適應水流流線的收縮、流速及壓強的變化；為使引水隧洞在各級引水流量下能安全可靠地運行，需慎重確定洞內消能工的體形和尺寸。 -
Fluid experiment ; buff body aerodynamics ; wind engineering ; wind loading on buildings and structures ; modeling wind in an atmospheric boundary wind tunnel ; pedestrian - level wind environment ; wind effects on the efficiency of air - cooled condenser in a large power plant
實驗流體力學，鈍體空氣動力學，風工程， 、建築物和結構物的風荷載研究，大氣邊界層風洞模擬，行人高度風環境，大型電站空冷系統風效應風洞模擬。 -
The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details
本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。 -
The power station is diversion type power station of low gate dam with a normal storage level of 1268. 0 m, a highest gate dam level of 31 meters and a reservoir capacity of 2, 974, 000 cubic meters, the length of diversion tunnel of which is 19. 57 kilometers, installed capacity is 360mw futang power station is constructed on the basis of deep and thick overburden, the foundation of which mainly consist of five overburdens which, in general, belong to multiple, complex foundation
福堂水電站位於四川省阿壩藏族羌族自治州汶川縣境內的岷江河段上，電站為低閘引水式開發。正常蓄水位1268 . 0m ，最大閘高31m ，庫容297 . 4萬m ~ 3 ，引水隧洞長19 . 57km ，裝機360mw 。福堂水電站閘壩建於深厚覆蓋層基礎上，基礎主要存在五大覆蓋層，總體屬于多層復雜地基。 -
However the diversion tunnel is generally discarded after used, because the construction period of hydraulic power station is pressing, the lining standard of tunnel needs being improved and the up and down steam water level is difficult to be joined
而導流洞在完成導流任務后，又往往因為工期緊，襯砌標準需提高，上下游水位銜接等困難而被廢置不用。 -
According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger
摘要針對螺旋槳飛機模型帶動力風洞實驗要求，通過氣動性能分析提出驅動電機的技術指標，在滿足結構約束的條件下，通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等，研製出短時工作制高功率密度三相異步電機。 -
The main purpose of this study is to simulation a random fluctuation of wind velocity fitted to specified power spectrum in low frequency range in our wind tunnel
本文研究的目的是在風洞中模擬風速隨機波動的陣風，這個基礎性工作對于開展風洞中的其它研究有著重要意義。 -
It is applied to drill heavy duty pretension anchor holes at side slope of water power station, railway or highway projects, to drill drainage holes and grouting pile holes on roof of tunnel gallery
適用於水電站鐵路公路邊坡大噸位預應力錨固孔排水孔隧道口管棚孔的施工，以及預防滑坡巖石坍塌等地質災害治理工程。 -
The high efficiency and high power semiconductor laser with multi - active regions, which are cascaded by reverse biased tunnel junction ( s ) can resolve the problems in theory and overcome these shortcomings
通過反向偏置隧道結將多個有源區再生耦合級聯起來的新型高效大功率半導體激光器從理論和實踐上解決了傳統激光器存在的上述問題。 -
Eurostar trains have four different power systems for france, belgium, the channel tunnel and the london commuter lines they had to use while waiting for the high - speed link to open
在等候高速連接開通的同時，歐洲之星列車針對法國，比利時，海峽隧道以及倫敦等必須使用的車道，擁有四套不同的電力系統。 -
The horizontal swirling flow internal dissipater tunnel being built in gongboxia power station will be the first one reconstructed from a diversion tunnel whose discharge reaches to 1000m vs and water head is more than 100m in china. its scheme ' s argumentation, test research and future apply will have important meanings to the design. research and engineering application of internal dissipation discharge tunnel with swirling flow, will powerfully promote engineering application of this new kind of dissipation mode, which may solve some high velocity problems in high dam construction and provide a engineering example for technological and economical augmentation in a diversion tunnel reconstruction. it is of theoretical and practical importance to promote hydraulic structure researches and development
公伯峽水電站右岸旋流內消能泄洪洞是國內第一個泄量達1000m s 、水頭超過100m ，即將修建的旋流式內消能泄洪洞，其方案的論證與試驗研究以及建成后投入使用，將在國內外旋流式內消能泄洪洞設計、研究與工程應用中具有重要的意義，將有力的推動這一新的消能形式在工程中的應用，從而為解決高壩建設中泄水建築物的高速水流問題與導流洞改建的技術與經濟問題提供工程實例，對推動與發展水工水力學的研究與發展均具有重要的理論與實踐意義。 -
For the sake of the research about hydroelectric interfere among machines, the article utilized the simulink in matlab as simulating tool, meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock. then calculated the load rejection transition process by means of the real parameters of a hydro power station, analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere
為了研究機組間的水力干擾，本文採用matlab下的simulink作為模擬工具，建立共用有壓引水管道、調壓井、壓力主管的兩臺高水頭引水式水輪機調節系統大波動時的模擬模型，引入實際電站的參數，對甩負荷過渡過程進行了模擬計算，分析水力干擾對電站安全、穩定運行所造成的影響，並提出了一系列減輕水力干擾的措施。 -
In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on
本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題，在此基礎上，從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性，並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋；本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案，即由用戶終端、集中器和電能管理系統所組成的網路系統，其中，用戶終端到配變集中器用低壓電力線作為通道，中間無需其他硬體中繼設備，集中器到電能管理系統用公用電話網作為通道。 -
This article introduced the method of geological investigation of nanling tunnel karst disease, elaborated the tunnel engineering geology conditions, especially the karst water, the karst water power channel and the harm of karst water, and analyzed the cause that produced the karst disease
摘要南嶺隧道巖溶地下水活動造成地表坍陷、洞內泥砂淤塞等病害，其原因在於隧道施工遺留的導洞長期疏排巖溶水，採用地質測繪、物探、鉆探、水文地質試驗等綜合勘察方法，查明地下水通道位置、地下水流速、流向，針對病害原因，提出攔截、封團、疏排、填充等綜合整治方案。 -
Power tunnel alignment optimization design for zipingpu water conservancy project
紫坪鋪水利樞紐工程引水發電隧洞軸線優化設計 -
Replacement of high voltage switchboards, transformers and low voltage system of the tunnel power supply system in lion rock tunnel, replacement of field equipment of toll collection system in cross - harbour tunnel and replacement of ventilation control panels, exhaust fans, motors and flexible connectors in aberdeen tunnel
更換獅子山隧道供電系統的高壓配電板變壓器和低電壓系統更換海底隧道車輛繳費系統的路面設備及更換香港仔隧道的通風控制屏抽氣扇電動機和軟接頭 -
In optical fiber aspect, the incident beam can be collimated, converted and focused by some kinds of lenses, making the mode of incident beam matched with or near the optical fiber ’ s modes. in this thesis, thorough theoretical analyses and experimental investigations were made for the external optical properties of a 980nm high - power tunnel junction regenerated multi - active - region quantum well stripe - geometry algaas / gaas / ingaas ld and three different stripe - width 980nm high - power
本論文圍繞本實驗室研發的新型隧道再生多有源區980nmalgaas / gaas / ingaas量子阱大功率半導體激光器和多種條寬的單有源區980nmalgaas / gaas / ingaas量子阱大功率半導體激光器的光場外特性、單模階躍折射率光纖和多模漸變折射率光纖的模場特性進行了深入的理論分析和實驗研究。
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