Molybdenum alloys are excellent candidates for extremely high temperature environments,
such as in nuclear thermal propulsion spaceflight systems. Spark plasma sintering is a …

This paper focuses on the extension and application of the previously validated thermal–
hydraulic engineering code ntpThermo to perform multi-channel analysis for full-core …

Nuclear thermal propulsion is the high thrust, high specific impulse rocket engine technology
of choice for future missions to Mars and beyond. Current designs are focusing on low …

Refractory alloys which retain high strength above 1000° C and, at the same time, have
excellent malleability, are in high demand for high temperature structural applications. Here …

This chapter will cover the fundamentals of nuclear thermal propulsion systems, covering
basic principles of operation and why nuclear is a superior option to chemical rockets for …

This paper conducts high-resolution thermal hydraulic analysis of a Nuclear Thermal
Propulsion (NTP) Fuel Element (FE) using a finite volume approach. Recent NTP design …

Refined grain sizes in the metallic phase of a cermet nuclear fuel have been reported to
provide improved performance and survivability of the fuel in nuclear thermal propulsion …

Abstract Nuclear Thermal Propulsion (NTP) provides the leading potential due to its high
thrust, improved specific impulse and long accumulated lifetime in the manned deep space …

High temperature hydrogen exposure is one of the most challenging material issues for
nuclear thermal propulsion (NTP) fuel development. Under legacy NTP programs, ceramic …

The heat pipe cooled reactor usually has compact core and fast neutron spectrum, which
requires highly enriched fuel. For better nuclear non-proliferation performance, a low …