Chemical kinetic performance losses for a hydrogen laser thermal thruster

Preliminary Development of a Hydrogen Peroxide Thruster

Green propellants used for satellite-level propulsion system become attractive in recent years because the non-toxicity and lower requirements of safety protection. One of the green propellants, high-concentration hydrogen peroxide H2O2 solution (≥70% w/w, weight concentration percentage), often known as high-test peroxide (HTP), is considered because it is ITAR-free, easy to manufacture and th...

Performance Studies of a Colloid Thruster System

Preliminary results are presented, of measurements of thrust (T) and specific impulse (Isp), produced by a single emitter prototype colloid propulsion system. The development of the colloid thruster propulsion package at Stanford University is in preparation for flighttesting on a 20-kg university nanosatellite, to be launched in 2003. The half-kilogram Colloid Micro Thruster (CMT) package meas...

Development of a Molecular Kinetic Model and Tuning of its Required Kinetic Parameters for Thermal Cracking of Light Hydrocarbons

Preliminary Pulsed MPD Thruster Performance

A thrust stand was modified, and a primary calibration technique was developed to evaluate the performance of applied-field pulsed magnetoplasmadynamic thrusters (MPDTs) for 10 kW class solar electric orbit transfer vehicle (SEOTV) missions. The NASA Lewis Research Center (LeRC) 30 kW thrust stand was modified to accept high current pulses delivered to the MPDT. A pendulum system was developed ...

A method of performance estimation for axial-flow turbines based on losses prediction

The main objective in this paper is creating a method for one-dimensional modeling of multi stage axial flow turbine. The calculation used in this technique is based on common thermodynamics and aerodynamics principles in a mean stream line analyses. In this approach, loss models have to be used to determine the entropy increase across each section in the turbine stage. Finally, the analysis an...