Electromagnetic Pumps for Enhanced Cooling in High-Temperature Environments

Strategic Insights -

Researchers Nikolas Davis, Oscar L. Meek, and Mohammed Shutayfi have developed an innovative electromagnetic pump design that efficiently drives a fluid coolant through a nuclear reactor, providing enhanced cooling in high-temperature environments.

The pump's unique architecture includes a primary channel, an electrical coil, electrical insulation, and a secondary channel, all of which work together to sink heat from the insulation to the fluid coolant, ensuring prolonged pump operation. The design is particularly suited for applications in liquid metal coolants, where temperatures can reach several hundred degrees Celsius.

One of the key features of the electromagnetic pump is its ability to induce magnetic fields throughout its coolant channels, driving the fluid while simultaneously transferring heat from the electrical components to the coolant. The pump's design also allows for the use of multiple channels, which can be arranged in various configurations to optimize heat transfer and fluid circulation.

The claims supplied by the inventors for this patent application include designs for electromagnetic pumps that can drive a fluid providing enhanced cooling, as well as methods for simultaneously driving a fluid with an electromagnetic pump and cooling the pump with the fluid.

Key Takeaways:

  • The electromagnetic pump design is intended for use in high-temperature environments, such as nuclear reactors using liquid metal coolants.
  • The pump's architecture includes a primary channel, an electrical coil, electrical insulation, and a secondary channel, which work together to sink heat from the insulation to the fluid coolant.
  • The pump's design allows for the use of multiple channels, which can be arranged in various configurations to optimize heat transfer and fluid circulation.
  • The pump is capable of inducing magnetic fields throughout its coolant channels, driving the fluid while simultaneously transferring heat from the electrical components to the coolant.
  • The design is particularly suited for applications in liquid metal coolants, where temperatures can reach several hundred degrees Celsius.
  • The pump's unique architecture and features enable stable and efficient operation in challenging environments.

Statistics:

  • The maximum temperature at which the pump is designed to operate is over 300° C.
  • The pump is intended for use in nuclear reactors using liquid metal coolants.
  • The number of channels in the pump's design can be adjusted to optimize heat transfer and fluid circulation.
  • The pump's architecture includes a primary channel, an electrical coil, electrical insulation, and a secondary channel.
  • The pump is designed to drive a fluid providing enhanced cooling in a range of applications.

Sources:

  • Davis, Nikolas; Meek, Oscar L.; Shutayfi, Mohammed. Electromagnetic Pumps And Methods Of Operating The Same With Improved Cooling. U.S. Patent Application Number 20250243852, filed January 31, 2024 and posted July 31, 2025.
  • Triplett, et al. PRISM: A Competitive Small Modular Sodium-Cooled Reactor, J. of Nuclear Tech., Vol. 178, May 2012.
  • Loewen, et al. Next-Generation Electromagnetic Pump Analysis Tools, Oct. 29, 2015.