# Mdpj _sciences_
## 4 Comparative Analysis of Experimental and Simulation Approaches
### Model-Based Simulations
#### 4.3.4 Wind and Airflow Simulations
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline
**Authors** & **Pollutant** & **Green** & **Setting** & **Simulation** & **Initial** & **Boundary** & **Assumptions** & **Validation** \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{VOC} & Active & \multirow{3}{*}{Indoor} & Python & \multirow{3}{*}{Environmental} & \multirow{3}{*}{Assumptions} & Homogeneous & Compared \\  & & green wall & & open-source & & pollutant & & vegetation & with \\  & & green wall & & & FEniCS software & concentrations, & parameters & & steady-state & data from \\  & & & version 2016.2 & & flow rates & & conditions & [PERSON] et al. (2018) \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM} & Windbreak & \multirow{3}{*}{Livestock} & Computational & \multirow{3}{*}{Livestock} & \multirow{3}{*}{Livestock} & \multirow{3}{*}{Livestock} & \multirow{3}{*}{Livestock} & \multirow{3}{*}{Livestock} \\  & & & fluid dynamics & & & & & pollutant \\  & & & (CFD) software, & airflow & & & & distribution, & study results \\  & & & & FloEFD & & velocity & screen porosity & environmental & [38; 39] \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM} & Urban & \multirow{3}{*}{Outdoor} & ANSYS Fluent & \multirow{3}{*}{Contorations, } & \multirow{3}{*}{Inlet and } & Steady-state & Compared \\  & & greenery & & package, ICEM & & & & out airflow & conditions, & experimental \\  & & system & & CFD version 15.0 & & airflow & porous zone & vegetation & data from \\  & & & & & & & properties & urban field \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM} & \multirow{3}{*}{Green wall} & \multirow{3}{*}{Outdoor} & \multirow{3}{*}{ENVI-met software} & \multirow{3}{*}{Contorations, } & \multirow{3}{*}{Urban} & \multirow{3}{*}{Environmental} & \multirow{3}{*}{comparison, } \\  & & & & meteorological & & & & steady-state & real-world air \\  & & & & data from & & & conditions & quality data \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM} & Urban & \multirow{3}{*}{Outdoor} & \multirow{3}{*}{ENVI-met software} & Meteorological & \multirow{3}{*}{Steady-state} & \multirow{3}{*}{Validated} \\  & & greenery & & spring and summer, pollutant levels & & & & & homogeneous & experimental \\  & & & & & & & vegetation & air quality \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM} & Urban & \multirow{3}{*}{Outdoor} & \multirow{3}{*}{ENVI-met software} & \multirow{3}{*}{Contorations, } & \multirow{3}{*}{Urban layout, } & \multirow{3}{*}{projection} & \multirow{3}{*}{Field data on } \\  & & greenery & & & wind patterns & & & & \\  & & & & & & wind direction & & grid data on \\  & & & & & & & & grid data on \\ \hline \multirow{3}{*}{[PERSON] et al. (2018)} & \multirow{3}{*}{PM, NO, NO, } & Active & \multirow{3}{*}{Outdoor} & Micro-SWIFT-SPRAY (PMSS) & Measured & Meteorological & Steady-state & Simulated \\  & & & & pollutant & parameters, & conditions, & results \\ \cline{1-1}  & & NO\({}_{2}\), NO, & green wall & & modeling system & & & & \\ \cline{1-1}  & & & & & & & \\ \hline \hline \end{tabular}
\end{table} 
Table 7: Summary of model-based simulations evaluating pollutant mitigation by green systems.