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Small Business Innovation Research/Small Business Tech Transfer

A Novel, Ultra-Light, Heat Rejection System for Nuclear Power Generation, Phase II

Completed Technology Project

Project Introduction

A Novel, Ultra-Light, Heat Rejection System for Nuclear Power Generation, Phase II
For lunar-based fission power systems that will support In-Situ Resource Utilization (ISRU) or Mars robotic and manned missions, power requirements may vary from 10s to 100s of kWe to support initial human missions and longer term lunar bases. Due to the large amounts of waste heat generated by these systems, a key consideration is the development of lightweight, highly efficient heat rejection systems (HRS) that can operate at elevated temperatures (~550 K). Our innovation is the integration of an ultra-light radiator panel with a lightweight titanium heat pipe. Our approach will reduce the total mass by 32% compared to our baseline design. In addition, our innovation will greatly surpass the performance of carbon-composite systems under consideration and represents a lower risk approach to achieve a practical HRS. In Phase I, we demonstrated the feasibility by fabricating, demonstrating, and delivering a proof-of-concept panel. During Phase II, we will fabricate, test, and deliver a full-scale prototype. More »

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This is a historic project that was completed before the creation of TechPort on October 1, 2012. Available data has been included. This record may contain less data than currently active projects.