On materials selection and dezinfication of a tubular heat exchanger

An investigation was made on the failure of a tubular heat exchanger made up of copper based alloys in a steam power plant situated in Ahvaz city. Tubes were made initially from yellow brass, and there after replaced by CuNi alloys. The hot steam was entered through the top vapor opening and surrounded the outside of the copper based tubes. The heat transfer was taken place by heating the water inside the tubes, and thereby condensed the steam inside the steel shell

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