Operation of diagonal-type MHD generator outside the design range
Journal Article
·
· High Temp. (Engl. Transl.); (United States)
OSTI ID:5898398
Numerical studied have been performed on variable states of operation and transient response in a diagonal MHD generator with heavy supersonic-flow retardation. It is shown that supersonic, subsonic, and mixed flows containing shock waves can occur in the channel of an MHD generator, which lead to substantially nonlinear voltage-current and load characteristics. Nonlinear effects give rise to optimum values for the induction and load resistance, which provide maximum power or voltage. Cyclic variation in field or load resistance results in hysteresis. The characteristic times have been determined for typical transients.
- Research Organization:
- Moscow
- OSTI ID:
- 5898398
- Journal Information:
- High Temp. (Engl. Transl.); (United States), Journal Name: High Temp. (Engl. Transl.); (United States) Vol. 25:2; ISSN HITEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
30 DIRECT ENERGY CONVERSION
300102 -- MHD Generators-- Performance & Testing
300104* -- MHD Generators-- Duct Engineering & Fluid Dynamics
CURRENTS
DIRECT ENERGY CONVERTERS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRIC POWER
ELECTRICAL PROPERTIES
FLUID FLOW
HYSTERESIS
INDUCTION
MATHEMATICAL MODELS
MHD CHANNELS
MHD GENERATORS
OPERATION
PHYSICAL PROPERTIES
POWER
SHOCK WAVES
SUBSONIC FLOW
SUPERSONIC FLOW
TRANSIENTS
300102 -- MHD Generators-- Performance & Testing
300104* -- MHD Generators-- Duct Engineering & Fluid Dynamics
CURRENTS
DIRECT ENERGY CONVERTERS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRIC POTENTIAL
ELECTRIC POWER
ELECTRICAL PROPERTIES
FLUID FLOW
HYSTERESIS
INDUCTION
MATHEMATICAL MODELS
MHD CHANNELS
MHD GENERATORS
OPERATION
PHYSICAL PROPERTIES
POWER
SHOCK WAVES
SUBSONIC FLOW
SUPERSONIC FLOW
TRANSIENTS