Technology

ISRO successfully tests hybrid motor

The test was carried out at ISRO Propulsion Complex (IPRC), Mahendragiri, supported by Liquid Propulsion Systems Centre (LPSC/ISRO) yesterday, ISRO said in an update.

Chennai: The Indian Space Research Organisation (ISRO) has successfully tested a hybrid motor that will pave the way for a new propulsion system for the forthcoming launch vehicles.

The test was carried out at ISRO Propulsion Complex (IPRC), Mahendragiri, supported by Liquid Propulsion Systems Centre (LPSC/ISRO) yesterday, ISRO said in an update.

The motor used Hydroxyl-terminated polybutadiene (HTPB) as fuel and liquidoxygen (LOX) as the oxidizer. Unlike solid-solid or liquid-liquid combinations, a hybrid motor uses solid fuel and liquid oxidizer.

Today’s test of a flight equivalent 30 kN hybrid motor demonstrated ignition and sustained combustion for the intended duration of 15 seconds. The motor performance was satisfactory.

The use of liquids facilitates throttling and the control over the flow rate of LOX enables the re-start capability. While both HTPB and LOX are green, LOX is safer to handle.

The hybrid motor tested today is scalable and stackable, potentially paving the way

for a new propulsion system for the forthcoming launch vehicles.

Source
UNI

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