Patent Number: 
Section: claims

1. A dry cooling system, comprising:an air duct; anda heat pipe including an evaporator section configured to be in contact with a heat source and a condenser section connected to the evaporator section,the condenser section being located in the air duct,the dry cooling system further comprising:an opening disposed below the air duct such that an air enters through the opening and flows to the condenser section; anda heat source flow duct including the heat source,the evaporator section being located inside the heat source flow duct,the heat source flow duct including a baffle providing a serpentine flow path, andthe evaporator section being located in the serpentine flow path. 2. The dry cooling system according to claim 1, further comprising a window disposed in an upper portion of the air duct. 3. The dry cooling system according to claim 2, further comprising a solar absorbing element disposed in the air duct and corresponding to the window. 4. The dry cooling system according to claim 3, the window being a side window disposed in a side surface of the air duct. 5. The dry cooling system according to claim 4, the side window bent from the side surface of the air duct. 6. The dry cooling system according to claim 3, the window being a top window covering the air duct. 7. The dry cooling system according to claim 3, the solar absorbing element including a thermal energy storage material. 8. The dry cooling system according to claim 3, further comprising a partition between the solar absorbing element and the condenser section. 9. The dry cooling system according to claim 3, further comprising a solar collector providing a solar beam to the solar absorbing element through the window. 10. The dry cooling system according to claim 1, further comprising a fan disposed over the condenser section. 11. A dry cooling system, comprising:a heat source flow duct;an air duct disposed over the heat source flow duct;an opening between the heat source flow duct and the air duct such that an air flows through the opening; anda heat pipe including an evaporator section disposed in the heat source flow duct and a condenser section disposed in the air duct,the air flowing from the opening to the condenser section,the dry cooling system further comprising side window disposed on a side surface of the air duct and a solar absorbing element disposed over the condenser section, andthe solar absorbing element including a thermal energy storage material and an air flow space which the air flows through. 12. The dry cooling system according to claim 11, further comprising a solar collector providing a solar beam to the solar absorbing element through the side window. 13. The dry cooling system according to claim 11, further comprising a fan disposed over the solar absorbing element. 14. The dry cooling system according to claim 11, the heat source flow duct including at least one of a steam in a condenser of a power plant, a cooling water of the power plant, a cooling water of an air conditioning system or a refrigeration system, and a vapor in a condenser of the air conditioning system or the refrigeration system. 15. A dry cooling system, comprising:a heat source flow duct including a heat source;an air duct disposed over the heat source flow duct;an opening between the heat source flow duct and the air duct;a heat pipe including an evaporator section disposed in the heat source of the heat source flow duct and a condenser section disposed in the air duct;a window disposed on the air duct;a solar absorbing element disposed over the condenser section; anda fan disposed over the solar absorbing element,the dry cooling system being configured to allow an air to flow from the opening to outside of the air duct through the condenser section, the solar absorbing element, and the fan, andthe solar absorbing element including a thermal energy storage material and an air flow space which the air flows through.