A. L. Qualls

About

A. L. Qualls is a leading figure in advanced nuclear reactor and space propulsion design, with a career dedicated to pushing the boundaries of both terrestrial energy and deep-space exploration. Their primary research areas include Fluoride salt-cooled High-temperature Reactors (FHRs) and Nuclear Thermal Propulsion (NTP) systems. Qualls’s most impactful contribution is the comprehensive 2012 preconceptual design report for the Advanced High Temperature Reactor (AHTR), which has garnered 36 citations. This foundational work provides a detailed mechanical, structural, and neutronic blueprint for a large-output FHR, establishing a critical reference for the entire field. In the realm of space exploration, Qualls contributed to a pivotal 2015 NASA, DOE, and industry assessment on the affordable development of a small Nuclear Thermal Rocket (NTR) engine and stage. This work, part of NASA’s Advanced Exploration Systems program, outlines a strategic path for foundational technology development, aiming to enable faster crewed missions to Mars. Through these dual contributions, Qualls has helped shape the future of both clean energy and human spaceflight.

Research Focus

Key Achievements

Top Papers

1. 1
   AHTR Mechanical, Structural, And Neutronic Preconceptual Design

   36 citations · 2012
2. 2
   Affordable Development and Demonstration of a Small NTR Engine and Stage: A Preliminary NASA, DOE and Industry Assessment

   3 citations · 2015

Key Collaborators

Contact & Links