A Novel Magneto-Caloric Hybrid Regenerative Cycle (MCHR) Utilizing Non-Superconducting LC-Resonant Field Control and Porous Cascade Matrix with Magnetohydrodynamic Venturi Jet Flows

Abstract

Conventional vapor-compression refrigeration systems have reached a thermodynamic

performance plateau due to their reliance on high global warming potential (GWP) gases and the

inherent mechanical limitations of compressor units. This study presents a comprehensive

theoretical framework for a solid-state cooling alternative designated as the Magneto-Caloric

Hybrid Regenerative Cycle (MCHR), which eliminates gas-compressor architectures and shifts the

thermodynamic operating efficiency closer to the ideal Carnot limit. To address the primary

engineering bottlenecks hindering the widespread deployment of magnetic refrigeration—namely

high electromagnetic power consumption and narrow adiabatic temperature spans

multi-physics hybrid integration scheme is established. The proposed system integrates: (i) a solid-

state electromagnetic matrix driven by an energy-recovering LC resonant circuit to reclaim a

portion of the reactive magnetic energy, (ii) a porous cascade matrix embedded with micro-scale

shape memory alloy (NiTi) wires displaying a graded Curie temperature profile to couple magneto-

caloric and elasto-caloric effects, and (iii) a valveless, non-mechanical fluidic loop utilizing a ferro-

nanofluid driven via magnetohydrodynamic (MHD) forces through localized Venturi jet geometries.

Preliminary numerical and mathematical modeling demonstrates that the MCHR architecture has

the potential to reduce actuation power overhead compared to standard electromagnetic systems

while enhancing the net Coefficient of Performance (COP) under ideal operating parameters.