Why do liquid fueled rocket engines require both fuel and an oxidizer?

Only the combustion chamber of a liquid-fueled rocket needs to withstand high combustion pressures and temperatures. For these reasons, most orbital launch vehicles use liquid propellants. The primary specific impulse advantage of liquid propellants is due to the availability of high-performance oxidizers.

Why is it necessary to provide an oxidizer in the mixture rather than relying on oxygen in the air?

Why is it necessary to provide an oxidizer in the mixture rather than relying on oxygen in the air? Oxidizers release excess oxygen to make a better explosion.

What does the oxidizer do in a rocket?

Propellant is the chemical mixture burned to produce thrust in rockets and consists of a fuel and an oxidizer. A fuel is a substance that burns when combined with oxygen producing gas for propulsion. An oxidizer is an agent that releases oxygen for combination with a fuel.

How does a hybrid rocket engine work?

A solid rocket engine works differently. In a hybrid engine, a liquid oxidizer, typically liquid or gaseous oxygen, is injected through a hollow in the center of a solid cylinder of fuel. That fuel can be almost anything, so long as it’s inert and contains a lot of energy.

Why do rocket engines need oxidizer?

Rocket engines need an oxidizer to burn their fuel quickly under pressure. All forms of combustion require oxygen. Open fires burn slowly at atmospheric pressure so the free-floating oxygen in the atmosphere is enough.

What is the best oxidizer for rockets?

Ammonium perchlorate is commonly used for high performance rockets; ammonium nitrate is usually preferable for gas generators and slow-burning propellants. Gas produced by the oxidizer other than that formed by the reaction of oxygen with fuel components.

What is the concern with oxidizers?

Oxidizers are a severe fire hazard. They are not necessarily combustible, but they can intensify combustion and increase the flammable range for chemicals so they ignite more readily.

What is the concern with oxidizers Whmis?

What are the health hazards of oxidizing materials? Oxidizing materials may be toxic or corrosive. Depending on the material, route of exposure (inhalation, eye or skin contact, or swallowing) and dose, they could harm the body. Corrosive oxidizers can also attack and destroy metal.

Why does rocket fuel need an oxidizer?

Liquid fuel engines are composed of liquid oxygen and liquid hydrogen. The liquid hydrogen is the fuel and the liquid oxygen is the oxidizer. Remember, the oxidizer helps the fuel burn. You would think that rockets could just carry liquid fuel because liquid fuel is more efficient and gives more push when burned.