Hybrid power cycle for 100% clean, and continuous (24x7) hazard-free low-cost power generation and transportation without any fuel and using only ambient thermal energy

A method to generate mechanical energy and electrical energy continuously, the method being a single hybrid thermal cycle technology to combine a power generation cycle and a refrigeration cycle, the method comprising steps of:

• using liquid nitrogen and a saturated vapor of the liquid nitrogen as a working fluid with an expander to generate an external power output using only ambient thermal energy of air or water;
• compressing a first component of the working fluid by a pump, the first component being the liquid nitrogen;
• compressing a second component of the working fluid by a screw compressor, the second component being the saturated vapor of the liquid nitrogen taken from a cryostat at 77K;
• combining the first component and the second component in a mixer;
• heating the combined first and second components as a mixture to a supercritical temperature T1 in a heater which is a heat exchanger through which ambient air or water flows;
• expanding the heated first and second components of the mixture by a turbine expander to produce work output in the expander;
• generating a net-work output of 60.63-90 KJ/kg of nitrogen gas (N2) depending on P1, T1 and P2 with 100% efficiencies of pump, compressor and turbine, or 40-60 KJ/Kg of nitrogen gas (N2) with 80% efficiencies of pump, compressor and turbine;
• regenerating the first component and the second component in the initial states by transferring into a flash chamber a wet vapor generated from the working fluid mixture after expansion in the turbine expander and collecting the components into a cryostat and thereby separating the first and the second components for the method to repeat in a closed cycle with a fixed amount of the working fluid.