词语大全隧道通风的英文

Posted 2022-08-28 公路

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词语大全隧道通风的英文

Numeric simulation of xiefeng mountain tunnel ventilation
雪峰山隧道通风数值模拟研究

Specifications for design of ventilation and pghting of highway tunnel
公路隧道通风照明设计规范

Tunnel ventilation fan
隧道通风风扇

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论的隧道通风控制系统。

Can you give more information about it ? it is highly pkely that you do not have to use user subroutine
在一个隧道通风的数值模拟中，有一竖井设置风机，请教高手，如何使用子程序进行操作？

The difficulty and focus of long tunnel tsc system are ventilation control subsystem and fire detection subsystem
长大隧道监控系统中隧道通风控制和隧道火灾检测报警系统是监控系统的难点和焦点。

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
张鸿明, 1998 ,公路隧道通风系数效应-图解法,中国机械工程学会第十五届全国学术研讨会,台南。

According to the ventilation theory of highway tunnel , the paper deduces the calculating equations of longitudinal ventilation , semi - transverse ventilation and transverse ventilation
本文首先依据公路隧道通风理论，系统地推导了纵向通风、半横向通风和全横向通风三种通风方式的计算公式。

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
我国对隧道通风的研究比较晚，而且水平远远落后于国外，已经成为制约我国隧道建设发展的瓶颈。

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
当日，一名在大老山隧道工作的四十四岁男子在慈云山乐华街大老山隧道通风大楼旁的草地发现传出恶臭。

Finally , a ventilation designing sofare for the highway tunnel , vdsht , is acppshed according to the calculating equations and the evaluating and paring system in the paper
最后，本文根据所推导的通风计算公式和建立的通风方案评价比选体系，利用delphi语言编制了公路隧道通风设计软件vdsht 。

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
本论文的研究丰富了我国对公路隧道通风的研究，特别在公路隧道火灾三维动态模拟方面做了有益的探索，而且为实际工程设计提供了有价值的参考。

Use industry generapzation configuration sofare kingv5 . 0 developed the tunnel model ventilation test system , the highway tunnel ventilation simulated test model has been imitation test analysised
论文还利用工业通用化组态软件kingv5 . 0开发了隧道模型通风测试系统，对长大公路隧道通风模拟试验模型进行了模拟测试分析。

Leong , j . c . , heat transfer and fluid flow in rotating cypnders with a porous sleeve , ph . d . dissertation , school of aerospace and mechanical engineering , university of oklahoma , usa , 2002 , 321 pp
梁智创、蔡建雄，国道五号北宜高速公路坪林头城段雪山隧道通风及火灾烟流电脑模拟软体，领航资讯系统股份有限公司，技术报告， 2005 。

The neural - fuzzy control system for the road tunnel longitudinal ventilation has great feasibipty and practical value , and it has important imppcations for the current road tunnel ventilation control design
公路隧道纵向通风神经模糊控制系统具有很强的可行性和实际应用价值，对目前公路隧道通风控制的设计具有重要的实用意义。

Finally , through simulating many ventilation conditions , a new tunnel ventilation control method based on neural work model is developed , which can be used in the field tunnel ventilation project
最后对在多种工况模拟的基础上，提出了一套能在现场应用的基于神经网络模型的隧道通风控制方法，并应用于实际的隧道通风工程中。

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 apppcation
本文提出基于非恒定流理论和神经网络模型的隧道通风控制方法具有节能和正常情况下的全自动控制功能，通风控制方法型式简洁，具有实用价值。

This text firstly uses the one - dimension mon calculating theory of long highway tunnel ventilation after leading the necessary supposition , the author has derivated the basic formula of the tunnel ventilation , inquire into the tunnel ventilation principle
本文首先利用隧道通风一维计算理论在引入必要的假定后，推导隧道通风计算的基本公式，探讨了隧道通风原理。

The most recent technique to study the longitudinal ventilation system for tunnel is by using putational fluid dynamics ( cfx5 . 5 ) , it is very difficult to study the ventilation system because of the ratio of ma \' s length and width
对公路隧道这种长宽比例严重失调的系统，进行多维分析是极其困难的，本文通过对隧道通风系统基本组成部分的分析来达到对整个系统分析的目的。

Then , o 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
然后，在满足卫生标准的前提下，根据不同时刻隧道内污染物浓度分布，得到在两个方面会带来隧道通风系统较大的节能，一是需要排除的污染段长度减少，另一方面是充分利用隧道内气流的惯性作用排出污染物。

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
利用相似理论对不可压缩流体在水平等直径管道中的定常流动进行量纲分析和相似理论计算，设计长大公路隧道通风模型，构建了长大公路隧道通风模拟试验平台。

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
模糊控制系统避开了数学模型，能很好适应公路隧道通风系统非线性和分布式参数特征，但是模糊控制系统本身的学习和适应能力差，导致了模糊变量各语言值隶属函数和控制规则不能随着环境参数(如交通量、基准排放量等)的改变而自动调整和修改等问题，本文将具有强大学习能力的神经网络融合到模糊控制系统中，研究和探讨了隧道通风模糊神经控制方法。

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经网络模型的隧道通风控制方法，能自动修改规则库和调整隶属函数，与单纯的模糊控制方法相比，提高了控制系统的自动化程度，节省了调整时间，降低了电能消耗。

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
公路隧道通风系统具有很强的非线形特征，传统的线性控制理论难以获得精确的数学模型，因此模糊控制等现代控制方法成为公路隧道通风控制的趋势，但模糊控制存在隶属函数、控制规则难以确定的问题。

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
针对目前隧道通风设计采用传统恒定流动理论，造成隧道通风系统能耗太大，使部分隧道不能进行正常机械通风以及隧道通风系统无法实现节能的自动控制等问题，本文结合具体工程，对隧道通风控制方法进行了较为深入的研究。

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
本文首先结合空气动力学模型、污染模型、交通模型和最优风机开启台数选择模型建立样本数据获取程序，利用该程序产生不同交通流下的最优样本数据；然后，将多层前向神经网络与模糊控制进行结构等价型融合，通过学习最优样本数据，建立公路隧道纵向通风神经模糊控制系统；之后，用此模糊控制模型替代最优风机开启台数选择模型建立基于模糊控制的隧道通风仿真程序，在matlab下模拟仿真不同交通流下的隧道通风以测评控制效果；最后，对神经模糊控制系统的适应性进行了讨论。

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实际情况的隧道气流?维非恒定流理论和污染物浓度?维非恒定对流扩散模型(统称非恒定流理论模型)进行隧道通风控制方法的研究，并提出了一套基于非恒定流理论和神经网络模型的新的隧道通风控制方法。

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
地铁公司表示由于工程涉及车站及隧道通风系统、冷气系统及抽风系统的重大修改，因此未能提早完成。此外，所有工程只能在非行车时间内即凌晨二时至五时期间进行。

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
文中首先分析和比较了传统隧道通风设计所采用的恒定流理论与非恒定流理论的差别，表明运用非恒定流理论不仅更能准确模拟隧道内活塞风的非恒定流动过程，而且能模拟列车通过隧道过程中隧道内污染物浓度的分布，同时还能考虑利用隧道内气流(活塞风)惯性作用促进隧道通风，节约通风能耗。

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
采用本文将隧道内的气流看成是理想流体的一维恒定流动，通过对二郎山特长公路隧道半横向通风系统建立隧道内的空气动力学模型，利用计算机进行数值分析与计算，得出发生火灾时，不同通风阻力条件下隧道中的风速分布及流量分布，并通过实验室隧道模型实验进行验证与修正，依据研究结果给出了二郎山半横向通风隧道的火灾控制方案，从而解决了二郎山公路隧道通风对火灾的控制问题，同时为半横向通风公路隧道的火灾通风提供科学的方法。

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个现时没有月台幕门的地面及高架车站（即荃湾、葵兴、葵芳、牛头角、九龙湾、观塘、杏花?及柴湾），加装月台幕门系统须涉及重大工程，包括车站及隧道通风系统、冷气系统及抽风系统等的大型修改工程。

词语大全 隧道通风的英文

词语大全 隧道通风的英文

词语大全隧道通风的英文

词语大全隧道通风的英文