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From Alstrom Corporation (The)
According to NORA study, one of the keys to maximize fuel performance is characterizing oil sludge and determining its possible contribution... Deposits found in copper tubing consisted of oxidized fuel. The clogging of copper fuel lines was one of the problems discovered, as the study found solid black particles that adhered to tube surface. Cooper has also been known to accelerate fuel-degradation process, forming particulates. On the other hand, far fewer solid and gum were produced by fuel when exposed to steel and stainless steel. The reports recommend using steel piping materials wherever it is feasible."
This phenomenon is taken in account for heat transfer calculations. TEMA (Standards of the Tubular Exchanger Manufacturers Association) determines Chemical Reaction Corrosion "... Coking, the hard crust deposit of hydrocarbons formed on heat transfer surfaces, is a common form of this type of fouling." We can not recommend any means to remove this deposit from the tubing. The high thermal conductivity of copper can not compensate poor thermal conductivity of organic solid black particles resulting in decrease of heat transfer.
Product Announcements
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TEMPCO Finned Strip Heaters are used for both forced (mounted in a duct) and natural convection air heating (mounted at the bottom of cabinet type ovens).
The Finned Strip Heater's basic design...
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TRENT Oil Immersion Heaters are designed to give years of trouble-free service when the tubes are completely covered with fluid, used on correct voltage and kept free of carbonization.
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#89013 and #89105 - To be used with temperatures not to exceed 80°F. For pumping gasoline, fuel oil, kerosene, diesel fuel, lubricating oils and anti-freeze, use this pump with the ground-bond wire,...
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Copper alloys are so widely used, many in complex applications, that there are over 370 commercial copper and copper alloy grades. The Copper family includes coppers, high-copper alloys, brasses,...
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Tanfel provides a wide range of high quality metal stamping, die casting, aluminum extrusion, heat sinks and CNC machining services.
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Beswick Engineering designs and manufactures high performance polyurethane tubing, coiled polyurethane tubing and high pressure tubing, as well as tubing accessories - clamps and pliers.
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Bonding and assembly services for cold plates, heat spreaders, heat sinks of all materials and combinations, electronic die attach and direct bonding of electrical components.
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Topics of Interest
Heat tracing is often required to keep fluids flowing in pipelines. Even in a moderate climate, pipe insulation can be insufficient to maintain a fluid's temperature. For some fluids, this results in...
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Arsenic
Arsenic belongs to group VA of the periodic table. It is a steel-gray, brittle, crystalline metal that exists in both free and combined states. This element constitutes 1.5 ppm of the...
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Carbon nanocomposites consist of thermoset and thermoplastic materials filled with carbon nano-particles (nanotubes, bucky balls, etc.). This new and innovative group of materials offers many...
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Surface and flush mounting of hydronic ceiling panels is accomplished through use
of mounting frames and accessories, which provides for required surface clearance
and allowance for installation and...
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Let us first determine the optimal heat exchanger: The superior heat exchanger is the one that provides the required performance, within design limitations at a minimal cost. In general, we will work...
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