We want to let you know how much Brian and I appreciate you, Greg, Nathan, and the rest of the Anderson Dahlen team for helping us to complete the test assembly and collect the test data on time during our visit. Your help truly exceeded our expectations.
We thank you for showing us your manufacturing plants. Thank you to Gary and the fabricators who helped us remove the scratch and refinishing our aluminum part. You saved us a ton of time and kept us on track for an on time delivery to our customer. We definitely owe you one! Their willingness to spin a large part well off axis made it possible.
Their attention to detail made it a success. Equally praiseworthy is their communication during the manufacturing process, assuring the best part.
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Did you find this document useful? Radley Engineering fabricate Half-pipe coil jacketed vessels for some of the more aggressive applications.
This method offers many advantages over other jacket designs including:. Jacketed Vessels. In the case of an alloy reactor, a very costly vessel can result. For high temperature applications, the thermal expansion differential must be considered when choosing materials for the vessel and jacket. Dc is defined as the centerline diameter of the jacket passage. When calculating the heat transfer cofficients, an effective mass flow rate should be Figure 3: Schematic of Conventional Jacket with Baffle taken as 0.
De is defined at 4 x jacket spacing. The flow cross sectional area is defined as the baffle pitch x jacket spacing. The velocity can be closely controlled to achieve a good film coefficient. The good heat transfer rates, combined with the structural rigidity of the design, make half-pipe coils a good choice for a wide range of applications. A good design velocity for liquid utilities is 2. Half-pipe coils are ideally suited for high temperature applications where the utility fluid is a liquid.
There are no limitations of the number of inlet and outlet nozzles, so the jacket can be divided in multipass zones for maximum flexibility. The rigidity of the half-pipe coil design can also minimize the thickness of the inner vessel wall which can be especially attractive when utilizing alloys. Hydraulic Radius: Half-Pipe Coil Jackets Referring to Figure7: Figure 7: Hydraulic Radius Dimensions The design of dimple jackets permits construction from light gauge metals without sacrificing the strength required to withstand the specified pressure.
This results in considerable cost saving as compared to convention jackets.
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