14
Development of an Original Measurement Method for the Toulouse Metro (France) By Julien LEQUENNE
Development of an Original
Measurement Method for the Toulouse
Metro (France)
By Julien LEQUENNE
Tunnel Safety and Ventilation 2April 26th, 2016
CONTENT
Chapter 1 Project Context
Chapter 2Measurement Methods Used for Testing
Tunnel Ventilation Systems
Chapter 3 Developed Method Implementation
April 26th, 2016 Tunnel Safety and Ventilation
1. PROJECT CONTEXT
3
TOULOUSE CITY
Location in France Metro Network
April 26th, 2016 Tunnel Safety and Ventilation
1. PROJECT CONTEXT
4
UPGRADING TUNNEL VENTILATION SYSTEM
Operating Mode in Case of a Fire
Ventilation Shaft after Renovation Metro Line Separated by Motorized door
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
5
VELOCITY MEASUREMENT
Log-Tchebychef Distribution
Fixed-mesh MethodScanning Method
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
6
METHOD COMPARISON
Scanning Method
Short preparation time
Low amount of equipment
Low reliability
Low repeatability
Long measurement time
Fixed -mesh Method
Long preparation time
High amount of equipment
Good reliability
Good repeatability
Short measurement time
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
7
METHOD IMPROVEMENT
Requirements
— Suitable for all tunnel sections
— Wide range mesh construction
— Prompt and repeatable installation
Steps
— Anemometer positioning
— Mobile-mesh design
— Equipment transportation
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
8
ANEMOMETER POSITIONING
Mesh of 9 Measuring Points
CFD Analysis Using ANSYS CFX
— Modelling of 30 tunnel segments
— Comparison with Log-Tchebychef distribution
Mesh Error Estimation
Mesh Error = 6% Mesh Error = 4.5%
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
9
Mobile-mesh Design
Foldable and Rolling Support Frame
Guiding System Compatibility
Frame Once Folded Metro Guiding System
April 26th, 2016 Tunnel Safety and Ventilation
2. MEASUREMENT METHODS USED FOR TESTING TUNNELVENTILATION SYSTEMS
10
Equipment Transportation Thanks to Modified
Electric Vehicle SPEED’AIR
Metro Application
— Axle with track enlarged
— Side and central guiding wheels
— Doubled battery capacity
Safety features
— Blocked steering
— Speed limitation
Passenger Comfort
— Rear spot light
— Rear-view camera
Standard
SPEED’AIR
April 26th, 2016 Tunnel Safety and Ventilation
3. DEVELOPED METHOD IMPLEMENTATION
11
TESTING
67 operating modes
20 measurement positions
7 nights of 4 working hours
April 26th, 2016 Tunnel Safety and Ventilation
3. DEVELOPED METHOD IMPLEMENTATION
12
FINAL COMPARISON
Mobile-mesh Method
Long preparation time
High amount of equipment
High reliability
High repeatability
Short measurement time
April 26th, 2016 Tunnel Safety and Ventilation
3. DEVELOPED METHOD IMPLEMENTATION
13
Overview
Short Video
Project Contact Details
— Project Manager : Pierre-Yves MOULIN – [email protected]
— Design Engineer : Julien VEYET – [email protected]
April 26th, 2016 Tunnel Safety and Ventilation 14
Thank You for Your Attention
Any Questions ?
For any Information on Tunnel Ventilation Systems
— Tunnel Department General Manager : Thibaud CHARDINY – [email protected]
— General email address: [email protected]
THE END
mailto:[email protected]:[email protected]
![Ventilation During Road Tunnel Emergencies[1]](https://static.documents.pub/doc/80x56/553c7d4d4a7959d8258b498b/ventilation-during-road-tunnel-emergencies1.jpg)
