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Webinar on Optimizing Engineering Workflows for Propulsion System Design with Ansys, Flownex, and TURBOdesign Suite, Apr 2022

Posted By: Camille
Date:Wed, 16 Mar 2022, 4:51 p.m.

April 12, 2022

This webinar will highlight the integration and acceleration
of many engineering disciplines and tools, from mission and
systems engineering to detailed design and analysis of
rocket propulsion components, featuring technology from
Ansys, ADT, and Flownex.



As we look at new off-world destinations and applications,
our launch-vehicle designs constantly need to evolve. Each
component will need to be optimized for their purpose and
the mission. Modern cryogenic turbopumps consist of many
complex components, and it is necessary to model and iterate
these component's design early on in the development of new
cycles. 1D system simulation and 3D component simulation,
alongside rapid, optimized, component design enables
engineers to develop new turbopump engines with a high
degree of accuracy and confidence.

In this joint webinar presented by ADT and PADT, we will
present a workflow for design of cryogenic turbopumps.
Flownex is chosen for thermal-fluid simulation of the entire
propulsion system. ADT's unique 3D inverse design method,
TURBOdesign Suite, will rapidly generate operational maps
and optimum 3D geometry of the turbopump. ANSYS CFX is used
for evaluating designs and obtaining the full map of the
turbopump. ANSYS Workbench with TURBOdesign Suite embedded
provides an integrated approach to make the turbopump more

For this analysis, we will use the well-known RS25 Space
Shuttle Main Engine. We start with a model of the entire
engine in Flownex and then focus on the main Oxidizer pump.
This is a double suction pump with inducer - initially
represented as a basic centrifugal pump in Flownex. Then,
TURBOdesign Suite is used to create an initial pump stage
that meets the main requirements in terms of head, flow and
efficiency as determined in Flownex. The performance of this
initial stage is analysed by ANSYS CFX at design and off-
design conditions, using single phase and 2 phase analysis.
Then, the pump stage is redesigned with the goal of making
the pump more compact while meeting the required duty
points. The generated maps are fed back into Flownex to
allow for high fidelity full-system transient simulation.

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