WELCOMEWELCOME

ADVANCED CONCEPTS OF THE ADVANCED CONCEPTS OF THE PROPULSION SYSTEM FOR PROPULSION SYSTEM FOR

FUTURISTIC GUN AMMUNITIONFUTURISTIC GUN AMMUNITION

GUIDED BY:GUIDED BY:

M.DEEPUM.DEEPU

LECTURERLECTURER

PRESENTED BY:PRESENTED BY:

VIVEK.T.VVIVEK.T.V

NO: 143NO: 143

SS77 M MBB

why is it needed?why is it needed?

Reached the saturation level in Reached the saturation level in

kinetic energykinetic energy

Erosion from propellantsErosion from propellants

Metal foulingMetal fouling

Powder foulingPowder fouling

Non conventional propulsion Non conventional propulsion systemssystems

Liquid gun propellantsLiquid gun propellants

Gun systemsGun systems

LIQUID GUN PROPELLANTSLIQUID GUN PROPELLANTS

Used in rocket in propulsionUsed in rocket in propulsion

Mono propellants & bi propellantsMono propellants & bi propellants

Main requirementsMain requirements

High densityHigh density

Small variation of densitySmall variation of density

Less viscosityLess viscosity

Thermal stabilityThermal stability

ADVANTAGEADVANTAGE Overcomes the projectile velocity Overcomes the projectile velocity

limitationslimitations

DISADVANTAGESDISADVANTAGES No suitable gun barrelNo suitable gun barrel

No suitable ignition systemNo suitable ignition system

Combustion instabilityCombustion instability

TRAVELLING CHARGE GUN SYSTEM

GUNGUN SYSTEMS SYSTEMS

RAIL GUNRAIL GUN

COIL GUNCOIL GUN

ELECTROTHERMAL GUNELECTROTHERMAL GUN

ELECTROTHERMAL CHEMICAL GUNELECTROTHERMAL CHEMICAL GUN

RAIL GUN

WORKING OF RAIL GUNWORKING OF RAIL GUN

CURRENT SOURCE IS CONNECTEDCURRENT SOURCE IS CONNECTED CURRENT FLOWS THROUGH THE CURRENT FLOWS THROUGH THE

RAILS &PROJECTILERAILS &PROJECTILE CREATES A MAGNETIC FIELDCREATES A MAGNETIC FIELD ACCOMPANIED WITH A LORENTZ ACCOMPANIED WITH A LORENTZ

FORCEFORCE IT ACCELERATES THE PROJECTILEIT ACCELERATES THE PROJECTILE

ADVANTAGEADVANTAGE IT OVERCOMES THE PROJECTILE IT OVERCOMES THE PROJECTILE

VELOCITY LIMITATIONSVELOCITY LIMITATIONS

DISADVANTAGESDISADVANTAGES

ARCING AT RAILS &SWITCH ARCING AT RAILS &SWITCH SURFACESSURFACES

CONTACT ERROSIONCONTACT ERROSION MELTING PROBLEMSMELTING PROBLEMS LARGE VOLUME & WEIGHTLARGE VOLUME & WEIGHT

COIL GUN

ADVANTAGEADVANTAGE

Projectile velocity of 10km/sProjectile velocity of 10km/s

DISADVANTAGESDISADVANTAGES

Erosion from hot plasmaErosion from hot plasma

Enormous weight and sizeEnormous weight and size

Electrothermal gun

Electrothermal chemical gunElectrothermal chemical gun

Uses electrical energy & chemical Uses electrical energy & chemical energyenergy

It consist of - plasma generating It consist of - plasma generating cartridgecartridge

- pulse forming network- pulse forming network

- gun barrel- gun barrel

- working fluid - working fluid

Electrothermal chemical gun

NEXT GENERATION GUN NEXT GENERATION GUN PROPELLANTSPROPELLANTS

HMXHMX

Energetic material used in high Energetic material used in high

explosiveexplosive

Less sensitive to shocksLess sensitive to shocks

HNF(Hydrazinium nitroformate)HNF(Hydrazinium nitroformate)

Used as oxidiserUsed as oxidiser

No chlorineNo chlorine

Superior performanceSuperior performance

HNF CRYSTAL

HNS(Hexanitrostilbene)HNS(Hexanitrostilbene)

Energetic materialEnergetic material

Can be used in high temperatureCan be used in high temperature

HNS CRYSTAL

CL-20CL-20

A new explosive A new explosive

It may crystallizeIt may crystallize

Superior detonation propertiesSuperior detonation properties

CL-20

CONCLUSIONCONCLUSION

Non conventional propulsion systems Non conventional propulsion systems

have not emerged.have not emerged.

Focus is on advanced solid Focus is on advanced solid

propellants.propellants.

THANK YOUTHANK YOU