Corona risk in the car: which window can be opened?

Recently updated on December 9, 2021 at 06:46 am

Where is the best place to sit in the car when you are not the driver? When does mouth and nose protection make sense? Questions that no one would have asked a good year ago. But Covid-19 makes EVERYTHING different. To take the risk on a Corona infection should reduce ventilated regularly will. The reason for this is that Aerosols possibly for hours are in the air can. That is why health experts advise to ventilate constantly, should more people about one longer period away together stay in a room. And of course that is such a room Cars. Researchers currently have the University of Massachusetts investigated the extent to which these aerosols inside the vehicle spread.

Airflow in the car: different than expected!

The way the Aerosols spreadalso did the researcher surprised. Because at come the air poured from the open windows behind to fore. And so exactly vice versa than expected. That is because of the higher Overpressure on backseat. Also interesting: In this case there is hardly any air exchange between the driver and passenger side. Only at; only when closed Windows the air mixes stronger. This is why aerosols come from the rear passenger reinforced with the driver This means: The increased risk lies with the Driver. Therefore an attempt should be made to direct the air flow past.

Mouth and nose protection only helps to a limited extent

In the to cough and Niesen will be continuous fine droplets pushed out. These aerosols are also used in Speak and To breathe released. So in the case of a SARS-CoV-2 infection the virus also affects people nearby transfer will. Also a Mouth and nose protection can not ensure that these aerosols too 100 percent be held. The researchers simulated the ride in one small car at 80 kilometers per hour. The driver sat in this computer simulation vorne linkswhile a passenger is on the backseat sat back right. The Air currents investigated that prevail in the car. It was both about the different open window as well as one switched on Air conditioning consider closed Windows. No doubt about it: Ventilation helps. Because the risk of infection was with four open windows the lowest. Also a or two open windows to reduce infection risk, compared to closed Windows. The most dangerous were closed windows switched on heating or Air conditioning. Because this is the best way for aerosols to spread.

The opposite window also helps

Should not Windows are opened, care should be taken to keep the pane open to. So it is aired on the opposite Side: Front right and rear left, while the front passenger sits on the right rear. So can the air flow in behind the driver and on the nearside erneut out.

Just ventilation is not enough!

However, it is enough notto focus on that Ventilate zu leave. Scientists also warn against this. Because the currents can go through a Sunroof, a different speed or another one Body change. Therefore should be in every seat in the car Mouth and nose protection be worn to minimize the risk. Also, according to US researchers, it should Carpooling and Taxi rides be waived if this is also possible at a hunt.

Of course that had not happened yet!

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