belovelife Posted August 22, 2011 Report Posted August 22, 2011 has anyone ever heard of a magnetic material that increases in size as it heats, and shrinks when used in a generator to create electricity, therefore partially transducing heat to electricity? Quote
CraigD Posted August 22, 2011 Report Posted August 22, 2011 has anyone ever heard of a magnetic material that increases in size as it heats, and shrinks when used in a generator to create electricity, therefore partially transducing heat to electricity?I’ve not heard of such any generator built using this approach, and don’t imagine that anything so complicated would be useful compared to the many heat engine (eg: steam turbines) and direct thermoelectric generators already in widespread use. An important point to be mindful of is that nothing can transduce uniform heat into mechanical energy. That would violate the laws of thermodynamics. To generate mechanical energy, including electricity, from heat, a device must have access to a heat difference. Quote
belovelife Posted August 22, 2011 Author Report Posted August 22, 2011 i was pondering minute movement of a stator based on a phenomina like this , capable of propelling a rotor in a pulse fashon from the expantion/contraction of said material due to transducing heat by measure of heat transfer and electrical production in realtion the the timing of said motor Quote
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