SEARCH · Search NASA
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Reduction of alternator apparent power requirements and harmonic distortion caused by phase-controlled parasitic loads
Description and evaluation of digital computer program for analysis of Lundell alternators
Design and development testing of 60 kW alternator for SNAP 8
SNAP 8 turbine-alternator steady state performance with startups and shutdowns
Expanded scale alternating current voltage monitor development for spacecraft instrumentation systems
Libration point criteria for alternate Apollo missions of Saturn-type vehicles
Direct current quenching of alternating current electroluminescence in zinc sulfide phosphors
Transient characteristics of voltage regulator and parasitic speed controller on 14.3-kilovolt- ampere, 1200-Hertz modified Lundell alternator
Simplified equations and constants, based on laminar and turbulent flow theory between parallel plates, estimate windage loss in rotating electrical machinery. Comparison of calculated results and experimental data for smooth cylindrical rotor and slotted alternator yields 7 percent maximum variation between calculated and experimental data.
Steady-state characteristics of voltage regulator and parasitic speed controller on 14.3-kilovolt-ampere, 1200-Hz modified Lundell alternator
Alternating current field induced cholesteric and nematic liquid crystal phase transitions
Tabulating trajectory data for alternate Grand Tour missions from earth for period 1976 to 1980
Motor-starting characteristics of modified Lundell alternator for single shaft, Brayton cycle, space power system
Method for producing alternating ether-siloxane copolymers with stable properties when exposed to elevated temperatures and UV radiation
Windage tests of cylindrical and Lundell-conical rotors in ambient air producing Reynolds numbers up to 100,000 for high speed alternators
Superconducting alternator design with cryogenic fluid for cooling windings below critical temperature
Voltage transients due to phase angle switching of speed control power for Brayton cycle alternator examined by computerized simulation
Contextural planning for selecting alternate NASA programs