Do you know that crumple zones in cars reduce the impact force in an accident? In the early 1930s-1950s, automotive trends were shockingly rising, as did the concerns regarding safety for the occupants. Automotive engineers were working on the structural rigidity rather than the shock absorption factor which can reduce the force of impact. However, Béla Barényi the engineer working on a Mercedez Benz in early 1951 patented the crumple zones that reshaped the safety standards around the globe.
Let’s dive into this guide to look how do crumple zones work ?
What are Crumple Zones?
You might be having questions about what crumple zones are designed to do, the vehicle crumple zones are specially designed to absorb the force of impact to deliver enhanced safety protocols. These zones are made to crumple during an impact, in return will reduce the sudden jerk on the occupants. Crumple zones are made with durable and less rigid material to ensure force absorption without compromising on structural integrity.
This modernization remains prior so that you don’t get yourself collided with the inner housing of the vehicle at a greater force. In short, the shock is redirected toward the crumple zones rather than the occupants to remain less lethal during an impact. This invention became widespread after its implementation in early 1951 for setting new standards for automotive trends regarding safety.
Read More: How Does Adaptive Cruise Control Work ?
Physics behind Crumple Zones
The physics behind crumple zone design remains simple yet critical for safety standards. The crumple zones remain present at the front and rear end of the vehicle to absorb the force of impact significantly reducing the risk of injury. These specialized zones are made softer than the rest of the vehicle, these zones bend and redirect the transferred energy to reduce the jerk caused by an impact from a rear or head-on collision.
Have you ever thought about why crumple zones are not made rigid? This is because the sudden stop exerts more pressure and force on the occupants due to reduced stopping time. So, crumple zones enhance the interval of time to stop significantly decreasing the pressure and jerk exerted on the occupants inside. Isn’t it a genius contribution to the automotive sector?
Design and its role in modern car safety?
Crumple zones are designed carefully to not compromise on the structural ability and their promised attributes respectively. The design and placement of the crumple zones deform in a controlled region for maximum dissipation of exerted force on the vehicle and occupants inside. There remain a few highlighting features of this exceptional art of engineering.
Controlled deformity:
The crumple zones are specifically designed to deform progressively. It is made for redirecting the force of the collision and reducing it significantly for transferring it to the occupant’s cabin.
Load Crash distribution:
The structure of crumple zones remains spread at a larger area to avoid concentrated stress on the structure integrity and occupants. This genius trick increases the time of vehicle sudden stopping caused due to an impact and sets new standards for its modernization.
Structural Integrity:
The crumple zones are made with High Strength Steel for durability and elasticity to absorb shock caused by the impact. However, the crumple zones work optimally for low-speed crashes for not compromising structural integrity. To tackle this shortcoming the main protected frame present behind the crumple zones is more rigid for not compromising over the structural strength.
Flexible and Rigid material:
The honeycomb and hollow material are designed to deliver maximum shock absorption within the crumple zones, reducing jerk significantly. However, the main frame behind the crumple zones and reinforced bars are offered to maintain structural integrity as well.
Final Verdict
Crumple zones remain simplistic yet an effective development for setting new standards for safety standards in the automotive trends. However, there remain a few limitations, crumple zones are made for low-speed collisions while a high-speed collision can still risk greater impacts. Complying with the safety standards remains integral for maintaining a peaceful and harmonious environment.
FAQ’S
How do crumple zones improve car safety?
The crumple zones are designed specifically to get deformed when subjected to an impact. This reduces the force of impact on the occupants in the passenger cabin.
Who invented crumple zones?
Béla Barényi an engineer for Mercedez-Benz invented crumple zones in early 1951.
Where crumple zones are located in the vehicle?
Crumple zones are located at the front and rear end of the vehicle to reduce the impact of the collision.
