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Nuclear steam generators (SG) are subject to the accumulation of corrosion product deposits on heated tube surfaces and other internal components. In the past 15 years, processes to periodically remove only a fraction of the deposit inventory have been developed that save time, money and effort.
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A new sensor has been developed that can discriminate between abiotic and biotic based deposits by utilizing heat transfer reduction sensory with ultrasonic detection of materials on the same surface.
Cool coatings can play an important role in reducing global energy consumption and increasing interior comfort. They do this by minimizing solar absorption on a surface whilst maximizing thermal emission. Used in this way, a cool coating is able to reduce the flow of heat from the exterior coated surface into the building, resulting in lower internal temperatures.
As we continue to move towards a solvent free society and further into waterborne there are 2 classes of pigments that are more important than ever. Complex inorganic pigments and IR reflective pigments offer outstanding properties. The IR reflective pigments reduce the thermo binder degradation therefore giving the waterborne resins longer durability.
Waterborne coatings are safer to use than their traditional solvent borne counterparts and can reduce environmental impacts. As the market share for waterborne coatings has grown, there has been increased focus on their performance. Simultaneously, the building industry has been challenging coatings manufacturers to provide functional coatings. No longer are aesthetics, corrosion prevention and protection enough; a coating can and should provide multiple benefits to the user. One of the fastest growing segments of the functional waterborne coatings market is liquid applied insulation coatings.
Low solar absorbing (LSA) attributes are important for marine decking materials. Reduced solar heat absorption can not only improve the condition of living and working spaces beneath any deck, but also help protecting electronics and equipment. This article will review current LSA technologies and present a study on how to improve the solar reflectance and weather resistance of epoxy marine decking.
Strategies to improve the heat transfer rate and efficiency of a power plant must carefully balance a trinity of factors: the overall capital expense associated with the technology, the ongoing savings during normal plant operations, and the downtime and labor required for installation and implementation. These economic concerns have slowed the adoption of protective and/or functional surface treatments in power plant operations; traditional epoxies used to prevent biofouling and scale deposition can only be applied to brand new equipment, and the coating will limit heat transfer due to its insulating nature and applied thickness.
Technologies for on-line monitoring of cooling water systems on a short-term basis (minutes to hours) to provide output to deal with changing conditions in real time. Corrosion rates & changes in heat transfer coefficients with precision and accuracy. Historical Document 1989
In the late part of the 1980’s, the inventor worked with the reflective coating companies that made “NASA ceramic paints”. During this time that he worked with the reflective companies, he learned that the formulas used for reflective paints were not made from NASA technology and were only good for light reflection. When the coatings became dirty or tarnished, the coatings did not reflect heat.