IMPACTS OF AN EVAPORATING WATERBODY IN URBAN FABRIC THROUGH CFD SIMULATIONS

Carlo Cintolesi, Petros Ampatzidis, Andrea Petronio, Silvana Di Sabatino

Research output: Contribution to conferencePaperpeer-review

Abstract

The evaporation and condensation of water are crucial phenomena that drives many physical processes in urban environment both in terms of buoyancy force generated and heat sink or source introduced. This work presents and implements a general evaporation and condensation model that includes the heat exchange due to the water change of phase. Such a general approach can be applied to different simulation techniques link RANS and LES. Two geometries paradigmatic of a city fabric are investigate under a mixed convective regime and considering waterbodies which are set to be warmer and colder compared to the building temperature. Globally, the water evaporation leads to an increase of convective motions that enhance the vertical transport and the turbulent mixing between urban canyons and the surrounding atmosphere. To the best of the authors knowledge, this is one of the first study directly reproducing the evaporation form a waterbody in urban context.

Original languageEnglish
Number of pages5
Publication statusPublished - 30 Sept 2022
Event21st International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2022 - Aveiro, Portugal
Duration: 27 Sept 202230 Sept 2022

Conference

Conference21st International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2022
Country/TerritoryPortugal
CityAveiro
Period27/09/2230/09/22

Keywords

  • Computational Fluid Dynamics
  • OpenFOAM
  • Urban Canyon
  • Water Evaporation

ASJC Scopus subject areas

  • Atmospheric Science
  • Pollution
  • Modelling and Simulation

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