Successful performance of plasma compression prototype confirms path to commercialization
General Fusion’s plasma compression prototype
General Fusion has successfully achieved several aggressive performance goals on its prototype compression system, demonstrating a critical element of the company’s Magnetized Target Fusion technology.
VANCOUVER, British Columbia, Jan. 10, 2022 (GLOBE NEWSWIRE) — General Fusion announced today it has successfully achieved several aggressive performance goals of a prototype system for its Fusion Demonstration Plant (FDP). The company’s plasma compression prototype, located at its Vancouver, Canada laboratory, is being used to demonstrate a critical element of its proprietary Magnetized Target Fusion (MTF) technology. This important milestone marks another significant step toward General Fusion’s goal of creating practical and commercially viable fusion power.
Commissioned in early 2021, the prototype machine drives a forceful, but precisely shaped, symmetric collapse of a large liquid vortex cavity in tens of milliseconds. The forces involved in the full-scale FDP compression system will be immense, pushing the limits of material science, fluid dynamics, and mechanical design. Achieving this milestone with the prototype significantly reduces engineering and technical risks for General Fusion’s FDP. It will use a collapsing liquid metal cavity to heat and compress plasma fuel to fusion conditions at 100 million degrees Celsius.
The idea of using a collapsing liquid metal cavity to create fusion has been around for decades, but General Fusion has been able to bring new enabling technologies such as high-speed digital control systems, additive manufacturing, and advanced composite materials to make this concept viable and to de-risk its implementation in the FDP. Driving a rapid, smooth, and spherically shaped collapse of a cavity created inside a rotating liquid has been a difficult engineering challenge that General Fusion has now demonstrated in this prototype machine. It is the pathfinder for a larger prototype being built in 2022 to validate further refinements to various engineering aspects of this technology.
“Net energy production is essential, but not really the ultimate goal of commercializing fusion energy, which is building economical, carbon-free fusion power plants,” said Christofer Mowry, CEO, General Fusion. “Our unique technology, two decades in the making, solves the long-standing challenges of building practical fusion power plants for the world’s energy markets struggling to move away from fossil fuels. The successful performance of this important prototype validates we are on the path to success.”
General Fusion’s unique MTF technology overcomes several key challenges of creating practical fusion energy. MTF will economically create fusion conditions, efficiently convert fusion energy into carbon-free electricity, protect the fusion machine from burning fusion plasma, and produce enough fusion fuel for its own use. General Fusion’s prototype compression system validates one of the most critical parts of its MTF technology because a mechanically collapsed liquid cavity is a cornerstone for MTF overcoming all these challenges.
About General Fusion
General Fusion is pursuing the fastest and most practical path to commercial fusion energy and is based in Vancouver, Canada, with locations in London, U.K., and Oak Ridge, Tennessee, U.S.A. The company was established in 2002 and is funded by a global syndicate of leading energy venture capital firms, industry leaders, and technology pioneers. Learn more at www.generalfusion.com.
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