SRB
E685701
SRB is a powerful solid-fuel rocket component used to provide major thrust during the initial phase of a spacecraft’s launch.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| SRB-A | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | solid rocket booster ⓘ |
| advantage |
high thrust at liftoff
ⓘ
long-term storability of propellant ⓘ relative design simplicity ⓘ |
| canBe |
expendable depending on mission
ⓘ
reusable depending on design ⓘ |
| classifiedAs | non-throttleable rocket motor ⓘ |
| designGoal | provide initial boost through dense lower atmosphere ⓘ |
| energySource | chemical energy of solid propellant ⓘ |
| engineeringDiscipline | rocket propulsion engineering ⓘ |
| exhaustDirection | through convergent-divergent nozzle ⓘ |
| hasComponent |
casing
ⓘ
igniter ⓘ insulation ⓘ nozzle ⓘ recovery system ⓘ solid propellant grain ⓘ thrust vector control system ⓘ |
| hasFeature |
can be used in pairs or multiple units
ⓘ
fixed propellant grain geometry ⓘ high thrust-to-weight ratio ⓘ simple mechanical design compared to liquid stages ⓘ |
| ignitionType | pyrotechnic ignition ⓘ |
| limitation |
limited throttling capability
ⓘ
thrust cannot be shut down once ignited ⓘ |
| located | sides of the core launch vehicle ⓘ |
| massFraction | dominated by propellant mass ⓘ |
| mountedOn | launch vehicle ⓘ |
| operatesDuring | first stage of ascent ⓘ |
| operatesIn | lower atmosphere and early ascent regime ⓘ |
| produces | high-temperature exhaust gases ⓘ |
| provides | major thrust during initial launch phase ⓘ |
| requires |
careful thermal protection design
ⓘ
precise propellant casting and curing ⓘ |
| role | augment core stage thrust ⓘ |
| safetyConcern |
reliability of ignition system
ⓘ
structural integrity of casing and joints ⓘ |
| separatesFrom | core stage after burnout ⓘ |
| separationMethod | pyrotechnic or mechanical separation systems ⓘ |
| structuralMaterial | high-strength steel or composite materials ⓘ |
| thrustControl |
grain geometry shaping thrust profile
ⓘ
thrust vectoring via movable nozzle ⓘ |
| usedBy |
expendable launch vehicles
ⓘ
reusable launch systems ⓘ |
| usedFor |
overcoming gravitational and aerodynamic drag at liftoff
ⓘ
spacecraft launch ⓘ |
| usedIn | multi-stage launch vehicle configurations ⓘ |
| usesPropellantType | solid rocket propellant ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
SRB-A