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Publication Title | Concepts NREC Supercritical CO2 Energy Recovery System Wins Honorable Mention in Pumps & Systems Product Innovation of the Year Contest

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Concepts NREC Supercritical CO2 Energy Recovery System Wins Honorable Mention in Pumps & Systems’ Product Innovation of the Year Contest

The Phase I Small Business Innovative Research (SBIR) program project promises significantly improved power efficiencies in gas turbine prime movers for ship propulsion.

White River Junction, Vt. – December 5, 2011 – Concepts NREC (CN), a world leader in turbomachinery design, research, engineering and manufacturing, announces that its Supercritical CO2 Energy Recovery System has won an honorable mention in Pumps & Systems’ 2011 Product Innovation of the Year contest. Each year, Pumps & Systems magazine recognizes the best new products of the year with the Product Innovation of the Year Award. This year’s winners will be featured in the Pumps & Systems December 2011 issue.

“The Concepts NREC team is honored to receive this award and the recognition of Pumps & Systems magazine as part of its Project Innovation of the Year contest,” says Frank Di Bella, PE and Program Manager, Large Product Development, for Concepts NREC. “We are very proud of our accomplishments on the Supercritical CO2 Energy Recovery System as part of the Phase I Small Business Innovative Research (SBIR) program, and we are excited about its possibilities for improving power efficiencies in gas turbine prime movers used for ship propulsion.”

In January 2011, CN was awarded a Phase I Small Business Innovative Research (SBIR) grant from the U.S. Navy to improve the power efficiency of its gas turbine prime movers used for ship propulsion. The eight-month analytical study is in collaboration with the Maine Maritime Academy and its principal consultant, Travis Wallace, President, Thermoelectric Power Systems, LLC. The Navy’s RFP required that the power recovery system improve the power output of the prime mover by at least 20%. Considerations include the effects that transient power demand from the prime mover have on the waste heat flow rate and temperature, which may consequently affect the fatigue integrity of the heat exchangers and stability of the turbomachinery subsystems.

The power improvement system must comply with space constraints inherent in onboard marine vessel power plants, as well as the interest in being economical. The complexity of using steam heat recovery systems precluded their consideration as a solution for this project.

CN’s winning proposal suggested the use of a Brayton cycle-based, supercritical carbon dioxide (S- CO2) system to recover waste heat from a Rolls-Royce MT-30 gas turbine, a prime mover used in marine applications.

CN also suggested the viability of integrating one or more thermoelectric generator (TEG) system(s) within the S-CO2 cycle to further increase the power recovery, using an auxiliary combustion system,

Image | Concepts NREC Supercritical CO2 Energy Recovery System Wins Honorable Mention in Pumps & Systems Product Innovation of the Year Contest



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