Better Improve on Assignment 1b summary Draft 3 750 words

In the article," Mercedes F1 W05 Hybrid." David (2015) introduces the PU106A Hybrid power unit. The main function of the PU106A Hybrid was to power the Mercedes W05, developed by the Mercedes AMG Petronas Formula One Team in the 2014 Formula One season. The PU106A Hybrid is the main V6 internal combustion engine (ICE) equipped with a turbocharger. According to Cummins, the power unit allows more compressed air into the ICE to produce more power during the combustion phase (2013). The Energy Recovery System (ERS) is the hybrid system of a modern F1 car. Blackstock (2022) said that the ERS consists of 3 components; Motor Generator Unit–Kinetic (MGU-K), Motor Generator Unit–Heat (MGU-H) and Energy Store (ES). The purpose of the 2 generator units is to generate and deploy energy to different parts of the car, as well as to store energy in the ES like a battery. During an interview conducted by Rene Fagnan, he asked Remi Taffin, director of the operation what are MGU-H and MGU-K? Taffin said that the MGU-H is located between the turbine and compressor of the turbocharger and MGU-K is connected to the crankshaft, which helps it to rotate when the throttle is applied by the driver to delay the pick-up acceleration  (Fegnan, 2016).

The PU106A Hybrid power unit contributed to the key success of  Mercedes winning Formula One Team in the 2014 Formula One season. At the same time, the team had also modified the car's wishbone, and nose, and reconfigured the rear wing and the monkey seat, which enhanced the aerodynamic design of the car, allowing it a better chance of winning the race.

The team modified the front of the Mercedes vehicle, by using a conjoined lower wishbone, decreasing the space between the two legs to create one considerably bigger aerodynamic fairing. This change enhanced the functionality of the surface downstream and maintained the air flowing off the front wing in the proper position. (Somerfield, 2021). Mercedes also advanced their front turning vane assembly by using two prongs on the W05 that protruded out from the front of the chassis and connected with the bottom of the nose In this way the vanes could operate on the airflow sooner because of this ingenious movement of the vanes into a more front position.

In the last few years having a high nose had been favoured for their aerodynamic gains. Hence the team made an inverted U-shape nose-to-tip design, which would differ from the design of the other cars(Pitpass, 2014). This design provided more airflow to make its way under the nose and by having an unexpected accident crashing at the nose of the car, the nose would still perform as expected.

Not only did the team change the nose design, but they also were very careful, employing a variety of rear wing and monkey seat configurations based on the load requirements of the track being visited. The combination of curves and straight lines on the racing track can affect the car's overall performance. To overcome the car's overall performance the Mercedes team made 3 different subtleties for each situation to suit the particular. (Somerfield,2021).

According to Somerfield,  he says that for high downforce configuration, the car was set up with a deep box area, a main plane that is the right size, and a top flap. A Gurney flap is added to the trailing edge of the car to increase downforce and balance, although it adds some extra drag. In the meantime, the direction of the exhaust plume is controlled by a sophisticated monkey seat setup.

For a mid to low downforce, the Gurney flap was modified from its standard design to reduce drag. To change the strength of the tip vortex, the outside corners of the upper flap had also been trimmed back. A simpler monkey seat was also deployed. (Somerfield,2021).

For low downforce, the main plane and top flap used at Monza have a smaller box area, and the pillars have a different form where they join the main plane. This is necessary to ensure that the pillars do not impede airflow due to the flaps' reduced surface area. (Somerfield,2021).

Lastly, modification of the car's wishbone, and nose, and reconfigured the rear wing and the monkey seat enhanced the aerodynamic design of the car allowing a better chance of winning the race, but the PU106A Hybrid power unit was still the key component of winning. The engine has an innovative design feature of the car as the compressor and turbo were placed at the opposite ends of the internal combustion engine allowing the car to perform better which made it different from other cars. In general, the Mercedes had an advantage in terms of the engine, and aerodynamic design, which led them to success in winning the race.




References

Blackstock, E. (2022, August 2). The Differences Between Formula 1's MGU-H and MGU-K. Jalopnik. Retrieved November 25, 2023, from https://jalopnik.com/motorsport-explained-formula-1s-mgu-h-and-mgu-k-1849355365

David, D. (2015, June 13). Car: Mercedes F1 W05 Hybrid / Engine. Sports Car Digest. Retrieved November 25, 2023, from https://sportscardigest.com/mercedes-f1-w05-hybrid/

Fagnan, R. (2016, June 24). Technique - The MGU-K and MGU-H explained. Motorsport.com. Retrieved November 25, 2023, from https://us.motorsport.com/f1/news/technique-the-mgu-k-and-mgu-h-explained-791187/2986353/

How a Turbocharger Works. (2013, July 26). Cummins. Retrieved November 25, 2023, from https://www.cummins.com/components/turbochargers/how-a-turbocharger-works

Pitpass. (2014, January 28). The Mercedes F1 W05 is unveiled. Pitpass. Retrieved November 25, 2023, from https://www.pitpass.com/50829/The-Mercedes-F1-W05-is-unveiled

Somerfield, M. (2021, January 20). The car that began Mercedes' modern-era F1 success. Autosport. Retrieved November 25, 2023, from https://www.autosport.com/f1/news/the-car-that-began-mercedes-modern-era-f1-success-5149433/5149433/





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