Thrust is an indicator of how hard an engine can push Specific impulse indicates how efficiently an engine uses propellant ( ) ( )
System Design for Ammonia Nuclear Thermal Propulsion
Oct 19, 2021 · Abstract. Nuclear Thermal Propulsion (NTP) for deep space exploration is promising. Hydrogen is employed as the propellant to enhance the maximized specific impulse …
Nuclear Thermal Propulsion at UNIPI - Valerio Giusti
The decomposition will halve the molecular weight of the exhaust gases thus increasing the specific impulse to approximately 500s. This thesis concerns the design of an out-core …
"Alternative Propellant Nuclear Thermal Propulsion Engine …
Jan 11, 2022 · At reactor power levels comparable to hydrogen NTP engines, water doubles the thrust while ammonia increases it by 70%, although at a much lower specific impulse.
Abstract — Water, ammonia, and other volatiles that can be used for propellant have been found on the Moon, and the technology that will be used to extract them has been laboratory tested. …
This research investigates ammonia, water, methane, helium, and enriched diborane as feasible options to enable a specific impulse ( ) greater than the chemical propulsion alternatives. …
Reactor Parametric Assessments for Alternative Propellant Nuclear ...
This research investigates ammonia, water, methane, helium, and enriched diborane as feasible options to enable a specific impulse (𝐼 𝑠𝑝) greater than the chemical propulsion alternatives. …
The Centrifugal Nuclear Thermal Rocket (CNTR) is a Nuclear Thermal Propulsion (NTP) concept designed to heat propellant directly by the reactor fuel. The primary difference between the …
INTRODUCTION Centrifugal Nuclear Thermal Propulsion is an advanced propulsion concept engine which utilizes a bubble through nuclear reactor to directly heat the propellent, …
The result of this is that even though hydrogen can very effectively cool down the reactor, more nuclear thermal power is needed to raise hydrogen’s temperature than for other substances to …
Reactor Parametric Assessments for Alternative Propellant Nuclear ...
Apr 10, 2023 · This research investigates ammonia, water, methane, helium, and enriched diborane as feasible options to enable a specific impulse (Isp) greater than the chemical …
Versatile Nuclear Thermal Propulsion (NTP) - NASA Technical …
Oct 28, 2019 · Versatile Nuclear Thermal Propulsion (NTP) A study was initiated to investigate propulsion stage and mission architecture options potentially enabled by fission energy. One …