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Experimental investigation on the effect of a crash on a car front guard by changing suitable info boundaries to control the energy assimilation

Dhamone Sagar, Padmakumar Arun

Zeszyty Naukowe. Transport / Politechnika Śląska

2023

z. 120

69--91

The main motive of this research is to develop an energy absorber system for automobiles and perform an experimental disquisition by applying different parameters to check the effect of the crash on the machine’s front cushion by perfecting energy-absorbing capacity for the passenger safety aspect. Considering automobile vehicle speed limits similar to (Low, Medium, and High), the speed limits in India vary by state and vehicle type. In Karnataka, there is no limit (60 km/hr for buses in Bangalore except on Airport Road where it is 80 km/hr and 100 km/hr for buses only on NH and 66 km/hr between Mangalore and Udupi). Transport vehicles have a limit of 66 km/hr. This data is set with cooperation between the state and the ministry of highway department for light motor vehicles and buses. My exploration: considering the norms as per international safety regulations, and the purpose of an automobile's safety systems, the experimental set-up was designed so that a straight pendulum would strike the bumper system, and the front, and rear impacts would hit at 4.5 to 5 km/h, and the loaded or unloaded car would hit at 3 km/h and 46 cm above the front and back corners. To achieve this goal and to develop the energy absorber system, we used appropriate parameters such as CAD, CAM, CAE, testing, Simulink, and hand computation, enforcing the criteria in a unique development perspective by adding crash capability with a spring-loaded system, minimising crash effects, increasing immersion capacity, and implementing it on the SUV front cushion system