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September 16, 2026

Rainco plans turbulence software first, followed by modeling and control hardware

Rainco is developing mathematical and computational tools for turbulence, based on a new Navier–Stokes framework created by its founder. The company says current fluid-flow simulations often rely on experimental measurements and are not sufficiently predictive, making physical prototyping an expensive part of engineering design.

The startup plans to develop in three stages: better computational software, industry-specific modeling, and, in the long term, hardware, software and control algorithms to mitigate turbulence. Its first commercial product is expected in a few years; the company says reliable simulations could enable more design and optimization work in computers before building a final prototype.

Rainco is based in the Brooklyn Navy Yard and has eight employees, mainly engineers, physicists and mathematicians. Its most recent hire was a chief commercial officer.

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