Środowiskowe Seminarium Fizyki Atmosfery
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2024-10-25 (Piątek)
Zapraszamy do sali B4.58, ul. Pasteura 5 o godzinie 13:15 
dr Konstantin Kuznetsov (GRASP Global - Space Services, Lille, France)Local scale Computational Fluid Dynamics modeling of aerosol transport over complex urban areas using CODE_SATURNE
Urban air pollution is a significant concern that affects the health andquality of life of city residents. The way pollutants spread through the air in cities is complicated by the intricate layout of buildings, streets, and other structures. In this seminar, we’ll dive into how we use Computational Fluid Dynamics (CFD) with code_saturne to model wind patterns and the movement of aerosols and other passive pollutants in cities like Paris and Warsaw.
We’ll share the details of our approach to building these high-resolution models (up to 1 meter resolution). This includes how we gather data about the city’s layout, create detailed meshes to represent complex urban geometries, and set up the right conditions for our simulations to run accurately. We’ll focus on how adding detailed features of the city into our models helps us better understand the subtle ways wind flows and pollutants move in densely built areas.
Additionally, we will present a comparative analysis between our simulation results and in-situ measurements from meteo stations. This comparison not only serves to validate our modeling approach but also highlights the effectiveness and limitations of CFD simulations in replicating real-world atmospheric conditions.
https://www.linkedin.com/in/kikuznetsov/edit/forms/next-action/after-connect-update-profile/
Join Zoom Meeting
https://uw-edu-pl.zoom.us/j/98630327949?pwd=dCnSGizv52gG8DiEC4iJZN6HRkL5WU.1
Meeting ID: 986 3032 7949
Passcode: 875971
We’ll share the details of our approach to building these high-resolution models (up to 1 meter resolution). This includes how we gather data about the city’s layout, create detailed meshes to represent complex urban geometries, and set up the right conditions for our simulations to run accurately. We’ll focus on how adding detailed features of the city into our models helps us better understand the subtle ways wind flows and pollutants move in densely built areas.
Additionally, we will present a comparative analysis between our simulation results and in-situ measurements from meteo stations. This comparison not only serves to validate our modeling approach but also highlights the effectiveness and limitations of CFD simulations in replicating real-world atmospheric conditions.
https://www.linkedin.com/in/kikuznetsov/edit/forms/next-action/after-connect-update-profile/
Join Zoom Meeting
https://uw-edu-pl.zoom.us/j/98630327949?pwd=dCnSGizv52gG8DiEC4iJZN6HRkL5WU.1
Meeting ID: 986 3032 7949
Passcode: 875971
2024-10-11 (Piątek)
Zapraszamy do sali B4.58, ul. Pasteura 5 o godzinie 13:15
dr inż. Jarosław Nęcki (Wydział Fizyki i Informatyki Stosowanej, Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie)Estimation of methane emissions using mobile ground-based and airborne analysers
Methane is a potent greenhouse gas, and while it has a shorter atmospheric lifetime than CO₂, its near-term impact on climate change is particularly significant. This makes methane emissions a critical focus for climate change mitigation efforts. Addressing methane emissions from sectors such as waste management and fossil fuel extraction can yield immediate climate benefits, complementing long-term CO₂ reduction strategies.
Detecting methane is relatively straightforward from an analytical standpoint, but the wide range of concentrations can present technical challenges. Selecting the appropriate detection method is a key objective of current scientific research. During the presentation, I will discuss laser-based techniques for measuring methane concentrations across various matrices. I will compare their applications for both direct and indirect methods of emission estimation, with a particular focus on mobile techniques that enable remote verification of methane emissions. These mobile systems hold great potential for improving real-time monitoring and accuracy in emission assessments.
You can also join via Zoom Meeting
https://uw-edu-pl.zoom.us/j/96852587673?pwd=nmlirZeItkabZpGMBN41BeawHuDzxW.1
Meeting ID: 968 5258 7673
Passcode: 704745
Detecting methane is relatively straightforward from an analytical standpoint, but the wide range of concentrations can present technical challenges. Selecting the appropriate detection method is a key objective of current scientific research. During the presentation, I will discuss laser-based techniques for measuring methane concentrations across various matrices. I will compare their applications for both direct and indirect methods of emission estimation, with a particular focus on mobile techniques that enable remote verification of methane emissions. These mobile systems hold great potential for improving real-time monitoring and accuracy in emission assessments.
You can also join via Zoom Meeting
https://uw-edu-pl.zoom.us/j/96852587673?pwd=nmlirZeItkabZpGMBN41BeawHuDzxW.1
Meeting ID: 968 5258 7673
Passcode: 704745