風扇發動機 的英文怎麼說
中文拼音 [fēngshānfādòngjī]
風扇發動機
英文
fan engine-
Cutaway of the pw 4000112 - in ( 284. 48cm ) gas turbine engine, showing fan bypass section
渦輪發動機剖面圖,展示風扇旁路部分。General specification of turbojet engines and turbofan engines for aircraft
飛行器用渦輪噴氣及渦輪風扇發動機通用規范Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed
選用高效率水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。Passages reserved for connecting the engine room to the outside ( e. g., the cooling fan outlet, the exhaust outlet, the ventilation outlet, etc. ) must be designed as muffling passages, whose insertion loss should also be equivalent to the sound insulation amount of the fender structure. only in this way can the environmental noise outside the engine room live up to the standard
為機房與外界相通而預留的通道(如冷卻風扇出口、發動機排氣出口、機房通風換氣口等)必須設計成消聲通道,其插入損失也應與圍護結構的隔聲量相當,只有這樣做才可保證機房外的環境噪聲達標。In this paper, from the viewpoint of basic automatic control system, a cooling tower supervisory controller is designed and tested by applying it on the digital simulator to real time control the tower airflow and tower fan sequencing in central air - conditioning
摘要從集中空調冷卻水側基本自動控制系統的局部角度出發,設計了冷卻塔風扇上位機控制器,對風扇風量和運行臺數進行實時控制,並通過模擬試驗分析了其對系統控制穩定性和系統能耗的影響。The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil
該系統的特點及其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點,發動機冷卻系統採用了電液比例技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化率和目標冷卻液溫度調節液壓驅動系統中電液比例閥的控制電流,進而控制液壓油的流量,即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動,然後由單片機根據液壓油的溫度控制電動機的起動和停止。Automotive air conditioner accessories : automotive air conditioner cooler, evaporator, heat sink, air conditioner, temperature adjuster, heater, central cooler, air desiccators, cooling fan controller, internal heat exchanger, compressor, motor, air warmer, warm air device, electronic fan for cooling condenser, liquid can, thermal expansion valve, air condition pipeline, switch, clutch, connector, height valve, shunt valve and all kinds of automotive air conditioner production materials ( body aluminum, copper materials, etc ), production equipment, measurement equipment, etc
車用空調配件:各種車用空調冷凝器、蒸發器、散熱器、空調器、調溫器、加熱器、中冷器、空氣乾燥器、冷卻風扇控制器、內部熱交換器、壓縮機、電動機、暖風機、暖風裝置、各種冷凝器電子扇、貯液灌、熱力膨脹閥;各種車用空調管路、開關、離合器、接頭、高低閥、換向閥及各種車用空調生產材料(車用鋁材、銅材等) 、生產設備、檢測設備等。Along with the advent of the highly efficient turbofan jet engine, used today on the majority of commercial aircraft, came a new and challenging problem for maintenance personnel. the repair and replacement of the abradable liner seal, sometimes also known as the fan track.
在大多數商用飛機使用高效率的渦輪風扇噴氣發動機時代到來的同時,飛機維修人員也面臨著新的挑戰,即如何修理和替換發動機上的耐磨損內襯密封條,有時候也被稱為風扇軌道This dissertation describes in detail about the operation principle of cooling system, the hardware circuit design and software design of the single chip control system. being different to the structure collation method of traditional cooling system, this system divided the whole system into two parts : cooling system for engine and cooling system for hydraulic oil system, and both of them are controlled by one singlechip
這種電液混合驅動冷卻方式可以使風扇離開發動機而靈活布置,克服了傳統驅動方式的各種弊端,減小了風扇的徑向間隙,提高了容積效率,降低了能耗,並有效解決了發動機和液壓傳動系統的過熱問題。論文對該系統的工作原理、硬體組成、軟體設計作了詳細論述。To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established
為了滿足下一代作戰飛機對推進系統的性能和穩定性要求,本文建立了壓縮系統特性和渦輪特性的新模型,並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積,研究了其對發動機性能和穩定性的影響,進而得出了渦扇發動機變幾何擴穩的方法,為發動機變幾何擴穩研究打下理論基礎。Engine cooling fan vibration test
發動機冷卻風扇的振動測試Fan and water pump in traditional cooling system are controlled by engine directly and this fixed control pattern restricts flexibility of engine in different working status specially in execrable working status overheat of cooling system resulting in engine abnormality ; in order to change this condition, electromotion of cooling fan has been studied prophasely, further more good effect is acquired. on the base of it, the paper expatiates on the research on intelligent control of cooling water pump
傳統冷卻系統的風扇和水泵皆由發動機直接控制,固定的控制模式限制了發動機在不同工況下的適應性,尤其是在惡劣的工況下冷卻系統過熱導致的發動機異常;為改變這種狀況,冷卻風扇的電動控制已經進行了前期研究,而且取得了良好的效果,在此基礎上,本文又對冷卻水泵智能控制的研究進行了詳細地闡述。Engine operating with fuel system, water pump, lubricating oil pump, aircleaner and exhaust silencer ; not included are battery charging alternator, fanand optional driven components
發動機帶燃油系統、水泵、機油泵、空氣濾清器和消聲器運行,而不包括為蓄電池充電的發電機、風扇和其它選件。If one engine fails then the other will take over until a safe landing can take place
而內藏式的風扇發動機設計,可以防止人員害。This controlling way can make the passengers feel much comfortable and make the bus air - conditions work with a high efficiency. in this thesis, a single - chip microcomputer fuzzy controlling system with mcu : at89c51 is designed to deal with the bus whole air - condition composed with refrigerating system and heating system. via controlling the open of temperature door, turnaround speed of evaporator fan and subsidiary engine, it can control temperature of railway carriage
本論文針對獨立式全空調型(完全合一型)客車空調系統,設計了一個以at89c51為核心的採用模糊控制演算法的嵌入式單片機控制系統,通過控制溫度門的開口角度、蒸發器風扇的轉速、輔助發動機的轉速來控制車廂內的溫度,通過壓縮機的開、停對蒸發器除霜,系統具有溫度顯示、用戶設定的分擋多級溫度控制、在線控制參數修改等功能。The cooling system ' s fan motor ensures sufficient engine cooling at slower vehicle speeds
該冷卻系統的風扇電機保證了在車速較低時對汽車發動機進行充分冷卻。At low speed the cooling fan noise is much lower than the engine noise ; whilst at high speed it always tops the leading noise sources
在低速時風扇噪聲要比發動機噪聲低很多,而在高速時,往往會成為主要的噪聲源。In this exhibit, the generation of electricity by a small wind turbine is simulated by using a fan to blow the rotor of the wind turbine
這展品運用風扇產生風力去推動一座小型風力發電機的轉子來模擬風力發電機產生電力的過程。Rb211 - 535e4 engine fan blades and their maintenance
4發動機風扇葉片及其維護At the same time, according to the reverse problem of impeller machinery design, focusing on the noise performance, the counter calculation software was developed to estimate the noise of cooling fan to provide the elementary verification of the design effect
同時,根據葉輪機械設計中的反問題的提法,針對發動機軸流冷卻風扇的噪聲性能,編制了反算程序,用於預測估計冷卻風扇的噪聲性能,從而為設計效果的驗證提供初步依據。分享友人