CO-TRACE
CO-TRACE
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    • About CO-TRACE
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  • More
    • Home
    • About
      • About CO-TRACE
      • The CO-TRACE Team
      • CO-TRACE Partners
    • Resources
      • CoSchools
      • Publications
      • Project materials
    • Get Involved
  • Home
  • About
  • Resources
  • Get Involved

About Co-Trace

Students raise their hands during class at elementary school

The CO-TRACE project brings together researchers working at the Universities of Cambridge, Surrey and Imperial College London, to assess the risk of airborne COVID-19 transmission in schools and evaluate the effectiveness of mitigation measures.


  • This will be done by developing techniques to assess the absolute risk of infection in a given indoor space, using field studies in primary and secondary schools, complemented by laboratory experiments and computational fluid dynamics to elucidate the flow patterns responsible for airborne transport. 
  • The understanding generated will underpin recent developments in infection modelling to predict the likelihood of airborne transmission within schools. 
  • The project will reduce the uncertainties associated with airborne transmission routes and provide evidence to evaluate mitigation measures. The scenarios we will investigate include changes to ventilation, classroom lay-out and occupancy profiles. The methodology will facilitate application to offices, restaurants, shops etc.

What Do We Do?

SCALED LAB EXPERIMENT: An example

Scaled lab experiment of a single occupant in a room with ideal displacement ventilation. The experiments take place in a water bath and the person’s body heat and breath are simulated by introducing water of varying densities. The person’s silhouette is shown for illustrative purposes only. The darker regions of this shadowgraph image near the ceiling indicate increased concentration of exhaled breath which is significant if the occupant is infectious. The study of ventilation flows and concentration distributions in these small scale experiments can inform flows our understanding of full-scale flows and the dispersion of the virus in indoor settings. 

Computational fluid dynamics (cfd): An example

Streamlines of the ventilating flow in an idealised naturally ventilated primary school classroom with heat loads representative of occupants, equipment and wintertime heating. Air enters the room from the bottom vent, is heated up by the distributed heat patch on the floor and exits through the top vent. Colours represent how long a fluid parcel has been in the room. 

Other air pollution projects

TAPAS Network

TAPAS Network

TAPAS Network

Tackling air pollution at school: Working together to deliver healthy schools

https://tapasnetwork.co.uk

MAGIC

TAPAS Network

TAPAS Network

 Envisaging a world with greener cities

 http://magic-air.uk 

Do You Have Any Questions?

Get in touch

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