Aerospace applications Aircraft Condition monitoring Cooling Cooling systems Cryogenic cooling system Cryogenic fluids Cryogenics Cryoprobe optimization Cryosurgery Defect region Defects Design condition Design operations Heat load Hydrogen Internal defect Internal defects Lethal temperature Machine designers Multiple cryoprobe Multiple cryoprobes Numerical methodologies Operation time Optimisations Performance Placement strategy Specific mass Superconducting Machine Superconducting machines