Help pages relevant to each aspect of ThermoTun-Online can be opened in a new window by clicking the "..more" links in each section. These pages are designed to be moved to the side of your browser and left open. Further help pages will open in the same window.

Using Thermotun-Online

About ThermoTun-Online

How to use ThermoTun-Online

Understanding Parameters in ThermoTun-Online

There are 5 different cases in ThermoTun-Online, and each has a detailed help page detailing input parameters and output. Select the help file for the relevant case below.

Case 1. Single train in a tunnel

Case 1: Single Train in a Tunnel 		Case 1 Help

Case 2. Crossing trains in a tunnel

Case 2: Crossing Trains in a Tunnel 		Case 2 Help

Case 3. Tunnel with an airshaft

Case 3: Tunnel with an Airshaft 		Case 3 Help

Case 4. Emergency ventilation

Case 4: Emergency Ventilation 		Case 4 Help

Case 5. Flared entrance to reduce pressure gradients

Case 5: Flared Entrance to Reduce Pressure Gradients 		Case 5 Help