What is the chemistry behind an airbag?

What is the chemistry behind an airbag?

The heat generated causes sodium azide to decompose into sodium metal and nitrogen gas, which inflates the car’s air bags. The chemical equation 2 NaN3 –> 2 Na + 3 N2 describes exactly how it falls apart. Notice that the second product of the above reaction is N2, also known as nitrogen gas.

What are the 3 parts of airbag?

The airbag module contains both an inflator unit and the lightweight fabric airbag. The airbag system consists of three basic parts: (1) An airbag module, (2) crash sensors, and (3) a diagnostic unit. Some systems may also have an on/off switch, which allows the airbag to be deactivated.

What do you need to know about airbag waste?

To be conditionally exempt from hazardous waste requirements, an airbag waste handler must: Accumulate no more than 250 airbag modules and airbag inflators (combined) at one time; Package their airbag waste in a container designed to address the risk posed by the airbag waste;

Where are the airbags located in a car?

Safety feature found in most new vehicles. Is part of the Supplemental Restrain System (SRS). Usually found in the center of the steering wheel and in the dash on the passenger side of the vehicle. Airbags can be found through out a vehicle, depending on the model and manufacturer. Learn moreā€¦

How long does it take for an airbag to deploy?

Timing is crucial in the airbag’s ability to save lives in a head-on collision. An airbag must be able to deploy in a matter of milliseconds from the initial collision impact. It must also be prevented from deploying when there is no collision.

How are airbags improve the safety of the car?

Introduction: Airbags Improve Automobile Safety The Safety Advantage of Airbags The development of airbags began with the idea for a system that would restrain automobile drivers and passengers in an accident, whether or not they were wearing their seat belts.

What should you do if your car airbag deploys?

Arms and legs should never be resting against an airbag because the forces of a deploying airbag and the hot gases exhausted by the airbag may cause injury. Avoid aftermarket dash or seat covers, which can block or redirect a deploying airbag. Drivers should sit with their chests at least 10 inches away from the center of the steering wheel.

To be conditionally exempt from hazardous waste requirements, an airbag waste handler must: Accumulate no more than 250 airbag modules and airbag inflators (combined) at one time; Package their airbag waste in a container designed to address the risk posed by the airbag waste;

Why are side airbags important in a car crash?

Side airbags cushion and spread the load of impacts to prevent any part of the body from sustaining concentrated impact forces. A head-protecting side airbag is particularly important because it may be the only thing between the occupant’s head and the striking vehicle, since window glass can shatter in a crash.

What do you need to know about advanced airbags?

Advanced airbags modify deployment patterns if weight sensors detect a small driver or front-seat passenger or a child safety seat. Manufacturers must pass a suite of tests using different-size dummies, belted and unbelted, in a variety of crash test speeds and configurations.