JAKARTA - Porsche is marketing its cars around the world, of course, before now Porsche engineers have been good at designing their cars to suit the various weather conditions.

In 2022, at the Weissach Development Center, Germany, a new climate center is opened equipped with climate wind tunnels. With this facility, Porsche engineers can simulate almost all the weather and climate conditions in the world, from the Arctic Circle to South Africa, and from the Alps to Dubai. Simulations that usually require long trips can now be done at Weissach in no time.

"We can produce all the weather conditions, ranging from the air temperature -30 to +50°C, light to drizzling rain, with wind speeds of up to 250 km/hour, solar radiation of up to 1200 watts per square meter, and relative humidity between 5 to 95 percent," said the Head of V&V Thermodynamics at Porsche AG Horst-Uwe Kro Kro. This climate wind tunneling capability, in a manufacturer release, Friday, June 21.

According to him, the goal is to explain the prototype of vehicles under the conditions they will experience on the streets, such as in the United Arab Emirates or Norway. The advantage is that each simulation can be repeated with precise details.

While the position of the sun changes in a natural environment and the surface temperature of the road goes up and down, we can apply exactly the same conditions to vehicles in climate wind tunnels. Thus, the slightest change can be measured," he added.

Testing Carried Out

In the climate wind tunnel, Kroploy and his team tested various things, such as:

For example, testing is carried out to ensure cabin temperature remains comfortable at 22$C when the outside temperature reaches 40$C. Other tests include ice removal functions in windows and the ability to reach cabin temperatures are comfortable quickly as passengers enter cold vehicles in winter.

"Our goal is to create sports cars that also offer high-level comfort," he said.

The developers provided a list of requirements that included hundreds of points to test on vehicle prototypes.

In addition to environmental influences, climate wind tunnels can also simulate certain uses. For example, Cayenne's performance when pulling a trailer through the Alps or while in a city congestion. The driving situation can be simulated very precisely through adjustment of the resistance of the dynameter and use of navigation data.

After testing in the climate wind tunnel, the vehicle will also be tested for roads in real conditions.

"We still need highway testing because Porsche's typical driving experience is a subjective feeling influenced by the character of each vehicle. Only human drivers can find out if the new model has such a sensation," said Kro Badminton.

The need for testing will continue to change as technology and regulations progress. Testing facilities must have appropriate technical features for accelerating electric car charging simulations. In addition, changes to legal requirements for testing require continuous adjustments to test equipment.

We consider the buildings and systems inside as large orchestraes. Everything has to interact in such a way that we can consistently reproduce the same conditions exactly up to a tenth of a degree. To deal with so many components, artificial intelligence helps harmonize many orchestral instruments in a subtle way,, he concluded.


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