tunnel ventilation 中文意思是什麼

tunnel ventilation 解釋
隧道通風
  • tunnel : n 隧道;地道;坑道;管道,煙道,風洞;【礦物】石巷,平峒。 tunnel warfare 地道戰。vt (〈英國〉 l...
  • ventilation : n. 1. 通風,換氣(法);通風裝置。2. 發泄,發表;(問題的)公開討論;訴諸輿論。
  1. As stated in paragraph 2 of appendix to annex 4. 8 of volume two of ifp, vitiated air from the tunnel is discharged vertically from exhaust shaft of the ventilation building

    建議邀請書第二冊附件4 . 8的附錄的第2段註明,隧道的濁氣會由通風大樓的抽氣塔垂直排出。
  2. For the remaining eight at - gradeoverhead stations ( tseun wan, kwai hing, kwai fong, ngau tau kok, kowloon bay, kwun tong, heng fa chuen and chai wan ), retrofitting of platform screen doors involves major alterations to the stations and tunnel ventilation, air - conditioning and smoke extract systems. since such at - gradeoverhead stations are not designed with air - conditioning and ventilation systems, retrofitting works are subject to technical constraints

    至於其餘8個現時沒有月臺幕門的地面及高架車站(即荃灣、葵興、葵芳、牛頭角、九龍灣、觀塘、杏花?及柴灣) ,加裝月臺幕門系統須涉及重大工程,包括車站及隧道通風系統、冷氣系統及抽風系統等的大型修改工程。
  3. 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。
  4. Use industry generalization configuration software kingv5. 0 developed the tunnel model ventilation test system, the highway tunnel ventilation simulated test model has been imitation test analysised

    論文還利用工業通用化組態軟體kingv5 . 0開發了隧道模型通風測試系統,對長大公路隧道通風模擬試驗模型進行了模擬測試分析。
  5. Numeric simulation of xiefeng mountain tunnel ventilation

    雪峰山隧道通風數值模擬研究
  6. Tunnel ventilation fan

    隧道通風風扇
  7. Avoiding the use of mathematic models, the fuzzy logical control ( flc ) system meets the control demands of the tunnel ventilation process well which is a nonlinear distribution system. but because of its lacking of learning and adaptive ability, many problems has emerged when using flc : the membership functions of the fuzzy variables cannot be changed, the fuzzy logical rules cannot be modified automatically when environmental variables such as traffic model, average exhaust, etc, are changed. for this reason, the paper uses fuzzy neural network control ( fnnc ) system to improve the control process

    模糊控制系統避開了數學模型,能很好適應公路隧道通風系統非線性和分散式參數特徵,但是模糊控制系統本身的學習和適應能力差,導致了模糊變量各語言值隸屬函數和控制規則不能隨著環境參數(如交通量、基準排放量等)的改變而自動調整和修改等問題,本文將具有強大學習能力的神經網路融合到模糊控制系統中,研究和探討了隧道通風模糊神經控制方法。
  8. Use the similitude theory the author calculated uncompress fluid flowing in the stationary diameter pipeline, carrying on dimensional analysis and similitude theory counts, designed long - huge highway tunnel ventilationg model, constructing build the highway tunnel ventilation simulated test terrace

    利用相似理論對不可壓縮流體在水平等直徑管道中的定常流動進行量綱分析和相似理論計算,設計長大公路隧道通風模型,構建了長大公路隧道通風模擬試驗平臺。
  9. Because there are small openings and the three cracksin the concrete lining of gas tunnel, the gas should intrude into the gas tunnel built. this effect will endanger the transport safety. the authors study on the operation ventilation technology in the gas tunnel and put forward an economical, safety and effective ventilation plan, and therefore furnish a theoretical basis for the gas tunnel ventilation design in the future

    由於瓦斯隧道混凝土襯砌本體中的細小孔隙和「三縫」等缺陷的存在,建成后的瓦斯隧道必然受瓦斯侵襲,這對運營安全危害極大,為此,本文對瓦斯隧道運營通風技術進行了認真研究,提出了經濟、安全、有效的通風方案,為未來瓦斯隧道的通風設計提供了理論依據。
  10. The paper firstly combined the aerodynamic model, pollutant model, traffic model and the optimal operating fans selection model and then established the sample data gaining program to produce the optimal sample data ; secondly, the multi - layer forward neural network and the fuzzy control is combined within an equivalent structure, after the learning of sample data, the neural - fuzzy control system for the road tunnel longitudinal ventilation is produced ; thirdly, the optimal operating fans selection model is replaced by the fuzzy control model to make the tunnel ventilation simulation program, and then the control results under different traffic flow circumstances are evaluated in the matlab environment ; finally, the adaptive ability of the neural - fuzzy control system is discussed

    本文首先結合空氣動力學模型、污染模型、交通模型和最優風機開啟臺數選擇模型建立樣本數據獲取程序,利用該程序產生不同交通流下的最優樣本數據;然後,將多層前向神經網路與模糊控制進行結構等價型融合,通過學習最優樣本數據,建立公路隧道縱向通風神經模糊控制系統;之後,用此模糊控制模型替代最優風機開啟臺數選擇模型建立基於模糊控制的隧道通風模擬程序,在matlab下模擬模擬不同交通流下的隧道通風以測評控制效果;最後,對神經模糊控制系統的適應性進行了討論。
  11. Mtrcl has advised us that such retrofitting works cannot be advanced as they involve major alterations to the stations, and the tunnel ventilation, air - conditioning and smoke extraction systems. added to the complexity of the works is the need to carry out the works during the non - operating hours between 2 am and 5 am

    地鐵公司表示由於工程涉及車站及隧道通風系統、冷氣系統及抽風系統的重大修改,因此未能提早完成。此外,所有工程只能在非行車時間內即凌晨二時至五時期間進行。
  12. Tunnel ventilation system ( tvs ) has already been selected into " the national spark projects of 1994 "

    雞舍縱向通風空調系統已列為1994年國家級星火項目。
  13. Research of the influence of fire upon the performance of the exhaust smoke fan for the subway tunnel ventilation system

    火災對地鐵隧道排煙風機能力的影響研究
  14. The achievements of this paper enrich the analysis of tunnel ventilation in three dimensional and time dependant simulation and provide good reference for practical design

    本論文的研究豐富了我國對公路隧道通風的研究,特別在公路隧道火災三維動態模擬方面做了有益的探索,而且為實際工程設計提供了有價值的參考。
  15. The neural - fuzzy control system for the road tunnel longitudinal ventilation has great feasibility and practical value, and it has important implications for the current road tunnel ventilation control design

    公路隧道縱向通風神經模糊控制系統具有很強的可行性和實際應用價值,對目前公路隧道通風控制的設計具有重要的實用意義。
  16. Finally, through simulating many ventilation conditions, a new tunnel ventilation control method based on neural network model is developed, which can be used in the field tunnel ventilation project

    最後對在多種工況模擬的基礎上,提出了一套能在現場應用的基於神經網路模型的隧道通風控制方法,並應用於實際的隧道通風工程中。
  17. The tunnel ventilation control method developed here has the good functions of energy saving and automatic control under normal conditions. the type of this control method is simple and it has a wide application

    本文提出基於非恆定流理論和神經網路模型的隧道通風控制方法具有節能和正常情況下的全自動控制功能,通風控制方法型式簡潔,具有實用價值。
  18. The road tunnel ventilation system has strong non - linear characteristic and it is difficult to gain the precise mathematical model by using the traditional linear control theory, therefore, the modern control methods such as the fuzzy control become the trend for the road tunnel ventilation control. however, there are some difficulties with the establishment of the fuzzy membership functions and the rule base

    公路隧道通風系統具有很強的非線形特徵,傳統的線性控制理論難以獲得精確的數學模型,因此模糊控制等現代控制方法成為公路隧道通風控制的趨勢,但模糊控制存在隸屬函數、控制規則難以確定的問題。
  19. Then, two aspects of energy conservation in tunnel ventilation system are attained. one is the lessening of pollutant length needed to be removed ; the other is using the inertial action of piston wind to remove pollutant

    然後,在滿足衛生標準的前提下,根據不同時刻隧道內污染物濃度分佈,得到在兩個方面會帶來隧道通風系統較大的節能,一是需要排除的污染段長度減少,另一方面是充分利用隧道內氣流的慣性作用排出污染物。
  20. The traditional ventilation system of railway tunnels is always designed by the steady flow theory model ( stm ), which leads to many problems, such as the energy consumption is too large, mechanical ventilation ca n ' t be operated in some tunnels and automatic control of ventilation system with energy conservation also ca n ' t be performed, etc. this paper does some detailed studies on tunnel ventilation control method combined with a tunnel ventilation project

    針對目前隧道通風設計採用傳統恆定流動理論,造成隧道通風系統能耗太大,使部分隧道不能進行正常機械通風以及隧道通風系統無法實現節能的自動控制等問題,本文結合具體工程,對隧道通風控制方法進行了較為深入的研究。
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