Metal-ceramic coating for heat exchanger tubes of a central solar receiver and methods of preparing the same
First Claim
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1. A central solar receiver heat exchanger tube, comprising:
- a heat exchanger tube defining a surface, wherein the heat exchanger tube comprises a base material; and
a metal-ceramic coating disposed along the surface of the heat exchanger tube, wherein the metal-ceramic coating comprises a metal matrix with at least one ceramic phase dispersed in the metal matrix, and wherein the metal-ceramic coating is configured on the heat exchanger tube base material to reduce oxidation of the heat exchanger tube base material.
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Abstract
Provided are metal-ceramic coatings for heat exchanger tubes of a central solar receiver and methods of preparing the same. The metal-ceramic coatings comprise at least one ceramic phase dispersed in a metal matrix and are disposed along the heat exchanger tubes to improve heat transfer and reduce oxidation of the heat exchanger tubes. Methods of preparing the metal-ceramic coatings and systems for using the same are provided.
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Citations
19 Claims
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1. A central solar receiver heat exchanger tube, comprising:
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a heat exchanger tube defining a surface, wherein the heat exchanger tube comprises a base material; and a metal-ceramic coating disposed along the surface of the heat exchanger tube, wherein the metal-ceramic coating comprises a metal matrix with at least one ceramic phase dispersed in the metal matrix, and wherein the metal-ceramic coating is configured on the heat exchanger tube base material to reduce oxidation of the heat exchanger tube base material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of preparing a metal-ceramic coated central solar receiver heat exchanger, the method comprising:
applying a metal-ceramic coating onto a surface of a heat exchanger tube, wherein the heat exchanger tube comprises a base material, wherein the metal-ceramic coating comprises a metal matrix with at least one ceramic phase dispersed in the metal matrix, and wherein the metal-ceramic coating is configured on the heat exchanger tube base material to reduce oxidation of the heat exchanger tube base material. - View Dependent Claims (15, 16, 17, 18)
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19. A system for solar heat transfer, comprising:
a central solar receiver comprising one or more heat exchanger tubes, wherein the one or more heat exchanger tubes comprises a material and a metal-ceramic coating disposed along a surface of the heat exchanger tube, wherein the metal-ceramic coating comprises a metal matrix with at least one ceramic phase dispersed in the metal matrix, and wherein the metal-ceramic coating is configured on the heat exchanger tube base material to reduce oxidation of the heat exchanger tube base material.
Specification