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Research

Three decades of engineering, and one open-source habitat.

Open source

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Pragya Saxena and Alexa Der, 2026. CERN-OHL-P v2.0. NASA Deep Space Food Challenge.

RAMS: Ruminant-Assisted Martian Systems

Selected work

Ocean Waves

Ruminant-Assisted Martian Systems: a Mars habitat engineered as one living metabolism, by Pragya Saxena and Alexa Der. Open hardware under CERN-OHL-P v2.0.

RAMS, 2026

A 60% capacity gain on two compression trains in the Caspian Sea, inside the original casings. Hydrocarbon Processing, July 2017.

Compressor upgrades, 2017

The engineering and economics of removing and sequestering CO2. Hydrocarbon Processing, December 2006.

Carbon capture, 2006

Dry gas seals and their support systems: cutting leaks, flaring and lost power at the compressor. Hydrocarbon Processing, November 2003.

Dry gas seals, 2003

The rest of the archive.

Also published: optimizing gas turbine-driven compressors (Hydrocarbon Processing, 2000), improving equipment efficiency in operating plants (IRPC Asia, with Chevron), and an interview on safety and reliability in oil and gas (Pump Engineer, 2017).

Contact us

Services of Interest
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Heosphor is a multidisciplinary design and sustainability firm working across digital, materials, the built environment and energy.

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We leverage intelligent design to optimize energy and material demand, use, and cost – creating elegant, sophisticated and evocative solutions.

hello@heosphor.com
San Francisco Bay Area

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