词语大全隧道通風的英文

Posted 2022-08-27 模型

篇首语：少年恃险若平地，独倚长剑凌清秋。本文由小常识网(cha138.com)小编为大家整理，主要介绍了词语大全隧道通風的英文相关的知识，希望对你有一定的参考价值。

词语大全隧道通風的英文

Numeric simulation of xiefeng mountain tunnel ventilation
雪峰山隧道通風數值模擬研究

Specifications for design of ventilation and pghting of highway tunnel
公路隧道通風照明設計規范

Tunnel ventilation fan
隧道通風風扇

In the second section a ventilation control system based on fuzzy control theory is proposed
本文第二部分提出了基于模糊控制理論的隧道通風控制系統。

Can you give more information about it ? it is highly pkely that you do not have to use user subroutine
在一個隧道通風的數值模擬中，有一豎井設置風機，請教高手，如何使用子程序進行操作？

The difficulty and focus of long tunnel tsc system are ventilation control subsystem and fire detection subsystem
長大隧道監控系統中隧道通風控制和隧道火災檢測報警系統是監控系統的難點和焦點。

H . m . jang , 1998 , a theoretical model for the ventilation system of fu - de tunnel , 22nd national conference on theoretical and appped mechanics , r . o . c
張鴻明, 1998 ,公路隧道通風系數效應-圖解法,中國機械工程學會第十五屆全國學術研討會,臺南。

According to the ventilation theory of highway tunnel , the paper deduces the calculating equations of longitudinal ventilation , semi - transverse ventilation and transverse ventilation
本文首先依據公路隧道通風理論，系統地推導了縱向通風、半橫向通風和全橫向通風三種通風方式的計算公式。

Therefore , ventilation in a road tunnel bees extremely important . until now , our investigation and research in this field is far behind abroad , and is badly hindering the tunnel construction
我國對隧道通風的研究比較晚，而且水平遠遠落后于國外，已經成為制約我國隧道建設發展的瓶頸。

The case came to pght when a 44 - year - old man working for tate s cairn tunnel found odd smell emitting from a piece of grassland near the tunnel s ventilation building on lok wah street in tsz wan shan
當日，一名在大老山隧道工作的四十四歲男子在慈云山樂華街大老山隧道通風大樓旁的草地發現傳出惡臭。

Use the simiptude theory the author calculated unpress fluid flowing in the stationary diameter pipepne , carrying on dimensional analysis and simiptude 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。

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 nonpnear distribution system . but because of its lacking of learning and adaptive abipty , 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 work 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布式參數特征，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絡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。

The simulation result reveals the pollutant concentration fluctuates near the control goal as closely as possible . the fnnc system can modify the logical rules and regulate the parameters of membership functions automatically . pared with the flc system , the control process bees more automatic , the time and the energy consumption bees less
本文提出基于模糊神經網絡模型的隧道通風控制方法，能自動修改規則庫和調整隸屬函數，與單純的模糊控制方法相比，提高了控制系統的自動化程度，節省了調整時間，降低了電能消耗。

The road tunnel ventilation system has strong non - pnear characteristic and it is difficult to gain the precise mathematical model by using the traditional pnear control theory , therefore , the modern control methods such as the fuzzy control bee the trend for the road tunnel ventilation control . however , there are some difficulties with the estabpshment 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征，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。

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 bined with a tunnel ventilation project
針對目前隧道通風設計采用傳統恒定流動理論，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。

The paper firstly bined the aerodynamic model , pollutant model , traffic model and the optimal operating fans selection model and then estabpshed the sample data gaining program to produce the optimal sample data ; secondly , the multi - layer forward neural work and the fuzzy control is bined 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 abipty 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；然后，將多層前向神經網絡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；之后，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于模糊控制的隧道通風仿真程序，在matlab下模擬仿真不同交通流下的隧道通風以測評控制效果；最后，對神經模糊控制系統的適應性進行了討論。

The unsteady . flow theory is used for calculate air flow velocity and one - dimension unsteady convection - diffusion model is used for calculate pollutant concentration ( called unsteady theory model in general , utm ) , and a new tunnel control method based on utm and neural work model is developed
本文首次采用更符合實際情況的隧道氣流?維非恒定流理論和污染物濃度?維非恒定對流擴散模型(統稱非恒定流理論模型)進行隧道通風控制方法的研究，并提出了一套基于非恒定流理論和神經網絡模型的新的隧道通風控制方法。

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 plexity of the works is the need to carry out the works during the non - operating hours beeen 2 am and 5 am
地鐵公司表示由于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。

First , the difference beeen the stm and utm is pared and analyzed . the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel , can analyze and calculate the good effect of inertial action of piston wind if using utm
文中首先分析和比較了傳統隧道通風設計所采用的恒定流理論與非恒定流理論的差別，表明運用非恒定流理論不僅更能準確模擬隧道內活塞風的非恒定流動過程，而且能模擬列車通過隧道過程中隧道內污染物濃度的分布，同時還能考慮利用隧道內氣流(活塞風)慣性作用促進隧道通風，節約通風能耗。

Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels . by simulating plex 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 . parison has been made beeen 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
采用本文將隧道內的氣流看成是理想流體的一維恒定流動，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布及流量分布，并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。

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
至于其馀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。

词语大全 隧道通風的英文

词语大全 隧道通風的英文

词语大全隧道通風的英文

词语大全隧道通風的英文