What is HTPB fuel?

What is HTPB fuel?

HTPB-based fuels mechanical properties HTPB is a polymer widely used in propulsion both for solid propellants and hybrid fuels. This is due to the HTPB ease of manufacturing and capacity of providing good mechanical properties also to highly loaded grains.

Is HTPB a thermoset?

At the present, composite solid propellants are thermosetting hydroxyl-terminated polybutadiene (HTPB) fuel binder based, and once cured, can not change the grain shape.

What is rocket nitrous oxide?

Nitrous oxide is widely used as a propellant for hybrid rocket motors due to its low cost, relative safety and non-toxicity. Although not as energetic as liquid oxygen, it possesses favorable properties including self-pressurization and relative ease of handling.

Is N2O an oxidizer?

Nitrous oxide (N2O) is a clear, colorless, oxidizing liquefied gas with a slightly sweet odor. While classified by the U. S. Department of Transportation (DOT) as a nonflammable gas, nitrous oxide will support combustion and can detonate at temperatures in excess of 650 °C (1202 °F).

Is HTPB flammable?

Fire hazard : Heat from fire can generate flammable vapor. Explosion hazard : May form flammable/explosive vapor-air mixture.

What is solid propellant made of?

A solid propellant consists of several chemical ingredients such as oxidizer, fuel, binder, plasticizer, curing agent, stabilizer, and cross-linking agent. The specific chemical composition depends on the desired combustion characteristics for a particular mission.

Is HTPB an hydrocarbon?

HTPB is a telechelic (macro-molecule that contains two reactive end groups) polymer having an unsaturated hydrocarbon backbone. HTPB is also used in the construction & civil engineering industry to manufacture adhesives and sealants.

Is n2o metabolized in the body?

Nitrous oxide is administered by inhalation, absorbed by diffusion through the lungs, and eliminated via respiration. The elimination half life of nitrous oxide is approximately 5 minutes. It is excreted essentially unchanged (ie, nonmetabolized) via the lungs; less than 0.004% is actually metabolized in humans.

Is ethanol a good rocket fuel?

Ethanol is a clean burning and renewable fuel with high potential as a next generation fuel [2]. Nitrous oxide has potential as an oxidizer for use in both hybrid and liquid bi-propellant rocket engines [3, 4], and can be simpler to handle than cryogenic liquid oxygen.

Is N2O a compound?

Nitrous oxide
Nitrous oxide/IUPAC ID