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RocketPropulsionLab

@rocketpropulsionlab

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Rocket Engine CFD & Design
Design • Simulate • Iterate
Engine Workbench by RPL
Free Trial 👇

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Link in bio, start your free trial today. by @rocketpropulsionlab

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a month ago

Simulation vs. reality.

High-speed footage of Firefly’s Reaver engine next to our CFD simulation. Different worlds, same physics.

Design, simulate, and analyze rocket engines with RPL Engine Workbench.

Link in bio.

#RocketEngineering #CFD #RocketEngine #AerospaceEngineering #FluidDynamics by @rocketpropulsionlab

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2 months ago

Designing a rocket engine starts with the same equations engineers have been solving for decades. The difference is how fast you can solve them.

From Navier-Stokes on paper… to millions of calculations flying by in real time. Simulated with Engine Workbench by RPL.

Link in bio.

#CFD #RocketScience #AerospaceEngineering #Engineering #RocketPropulsion by @rocketpropulsionlab

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2 months ago

A little appreciation for the RS-25, one of the greatest rocket engines ever built. 🚀
Design, simulate, and export your own engine designs with Engine Workbench by RPL.
Link in bio. #RocketEngineering #RocketScience #AerospaceEngineering #SpaceTechnology #CFD by @rocketpropulsionlab

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2 months ago

Design, simulate, and iterate rocket engines without stitching together five different tools.

Engine Workbench by RPL brings propulsion sizing, nozzle design, performance analysis, CFD, transient simulation, and engineering exports into one workflow.

Available for Windows and macOS.

#RocketEngineering #CFD #AerospaceEngineering #RocketScience #EngineeringSoftware by @rocketpropulsionlab

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2 months ago

From simulation to reality.

A slow-motion CFD plume transient, followed by SpaceX’s Raptor Vacuum engine firing in slow motion. Different scales, same shock structures, expansion behavior, and flow physics.

Simulated in Engine Workbench by RPL.

#CFD #RocketEngineering #RaptorEngine #AerospaceEngineering #RocketScience by @rocketpropulsionlab

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2 months ago

Transient rocket flow, shown in slow motion, from simulation to flight hardware.

Simulated with Engine Workbench by RPL alongside Rocket Lab’s Neutron engine.

#CFD #RocketEngineering #NeutronRocket #AerospaceEngineering #RocketScience by @rocketpropulsionlab

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3 months ago

The same flow physics, viewed from two different perspectives.

A CFD plume transient beside Starship’s landing burn in slow motion. Every shock, expansion, and plume structure tells a story when you know what you’re looking at.

Simulation created with Engine Workbench by RPL, available for Windows and macOS starting at $29/month.

🎥 Starship footage: @considerthecosmos

#RocketEngineering #CFD #AerospaceEngineering #RocketScience #Starship by @rocketpropulsionlab

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3 months ago

🚀 Windows launches today
6:00 PM MDT / 00:00 UTC
Link in bio. From requirements to a manufacturable rocket engine, all in one workflow.

Define the engine. Generate the nozzle. Validate performance. Run CFD. Analyze startup transients. Export to CAD. #RocketEngineering #AerospaceEngineering #RocketEngine #CFD #EngineeringSoftware by @rocketpropulsionlab

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3 months ago

Look closer, the structure is really there.

First: one transient CFD solve, rendered at 2560×1440 with 840 axial cells dedicated to the plume.

Then: hot-fire footage from Launcher, showing the same kind of shock-cell structure forming in a real rocket exhaust.

The magnified CFD views focus on the nozzle-lip expansion fan, the shock crossing on the centerline, and the second shock cell. No sharpening, generative upscaling, or invented detail—everything shown exists in the solved field.

Mach number visualization. 2D axisymmetric transient. Inviscid cold start. Frozen-gamma CEA. Preliminary design output.

Detail views are approximately 2.5× magnifications using renderer interpolation only. Cell counts shown on screen come directly from the solve log.

#CFD #RocketEngine #ShockWaves #AerospaceEngineering #RocketPropulsion by @rocketpropulsionlab

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3 months ago

From ignition to a fully developed plume, in slow motion.

This CFD startup simulation captures the transient formation and expansion of a rocket exhaust as the engine comes up to operating conditions. Every frame is computed in Engine Workbench, developed by Rocket Propulsion Lab (RPL).

What transient cases would you like to see next?

#CFD #RocketEngine #AerospaceEngineering #RocketPropulsion #EngineWorkbench by @rocketpropulsionlab

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3 months ago

Near-vacuum plume expansion in CFD next to the real thing.

At high altitude, the exhaust is no longer confined by dense atmosphere, so the plume blooms outward and catches sunlight in a way that almost looks unreal.

Simulation on one side. SpaceX over LA on the other.

#CFD #RocketScience #SpaceX #AerospaceEngineering #RocketPropulsion by @rocketpropulsionlab

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3 months ago