Surface treatments and coatings for flash atomization
First Claim
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1. A flash atomizer, comprising:
- a channel substrate disposed within the flash atomizer, configured to generate a vapor and form a two-phase flow of a fluid; and
an enhanced surface disposed on the channel substrate and configured to change a temperature and a pressure required to form the vapor, wherein the enhanced surface texture comprises a plurality of active nucleation sites configured to promote heterogeneous bubble nucleation.
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Abstract
A flash atomizer comprising a channel substrate configured to generate a vapor and form a two-phase flow of a fluid; and an enhanced surface disposed on the channel substrate and configured to change a temperature and a pressure required to form the vapor, wherein the enhanced surface texture comprises a plurality of active nucleation sites configured to promote heterogeneous bubble nucleation.
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Citations
20 Claims
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1. A flash atomizer, comprising:
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a channel substrate disposed within the flash atomizer, configured to generate a vapor and form a two-phase flow of a fluid; and an enhanced surface disposed on the channel substrate and configured to change a temperature and a pressure required to form the vapor, wherein the enhanced surface texture comprises a plurality of active nucleation sites configured to promote heterogeneous bubble nucleation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for controlling the emissions of nitrogen oxides from a combustion system, comprising:
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an injector in fluid communication with an exhaust gas containing the nitrogen oxides, wherein the injector is configured to inject an atomized chemical reducing agent into the exhaust gas, wherein the chemical reducing agent is configured to convert the nitrogen oxides to nitrogen; and a flash atomization system in fluid communication with the injector and configured to atomize the chemical reducing agent, wherein the flash atomization system comprises; a channel substrate configured to generate a vapor from the chemical reducing agent and form a two-phase chemical reducing agent flow; and an enhanced surface disposed on the channel substrate and configured to change a temperature and a pressure required to form the vapor, wherein the enhanced surface texture comprises a plurality of active nucleation sites configured to promote heterogeneous bubble nucleation. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification