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A thermoacoustic magnetohydrodynamic electrical generator includes an intrinsically irreversible thermoacoustic heat engine coupled to a magnetohydrodynamic electrical generator. The heat engine includes an electrically conductive liquid metal as the working fluid and includes two heat exchange and

A thermoacoustic magnetohydrodynamic electrical generator includes an intrinsically irreversible thermoacoustic heat engine coupled to a magnetohydrodynamic electrical generator. The heat engine includes an electrically conductive liquid metal as the working fluid and includes two heat exchange and thermoacoustic structure assemblies which drive the liquid in a push-pull arrangement to cause the liquid metal to oscillate at a resonant acoustic frequency on the order of 1,000 Hz. The engine is positioned in the field of a magnet and is oriented such that the liquid metal oscillates in a direction orthogonal to the field of the magnet, whereby an alternating electrical potential is generated in the liquid metal. Low-loss, low-inductance electrical conductors electrically connected to opposite sides of the liquid metal conduct an output signal to a transformer adapted to convert the low-voltage, high-current output signal to a more usable higher voltage, lower current signal.

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A thermoacoustic magnetohydrodynamic electrical generator comprising a magnet having a magnetic field, an elongate hollow housing containing an electrically conductive liquid and a thermoacoustic structure positioned in said liquid, heat exchange means thermally connected to said thermoacoustic stru

A thermoacoustic magnetohydrodynamic electrical generator comprising a magnet having a magnetic field, an elongate hollow housing containing an electrically conductive liquid and a thermoacoustic structure positioned in said liquid, heat exchange means thermally connected to said thermoacoustic structure for inducing said liquid to oscillate at an acoustic resonant frequency within said housing, said housing being positioned in said magnetic field and oriented such that the direction of said magnetic field and the direction of oscillatory motion of said liquid are substantially orthogonal to one another, first and second electrical conductor means connected to said liquid on opposite sides of said housing along an axis which is substantially orthogonal to both the direction of said magnetic field and the direction of oscillatory motion of said liquid, whereby an alternating current output signal is generated in said conductor means at a frequency corresponding to the frequency of said oscillatory motion of said liquid.