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Design and performance simulation of multi-stream plate-fin heat exchangers brazed aluminum, stainless steel or titanium.
It can also perform full thermosyphon modeling, where one or more exchanger streams are subject to natural circulation, as well as crossflow streams. It can be used to identify capital saving opportunities in the overall process configuration. Bottlenecks can be identified, process improvements modeled for various process operating scenarios.
Thirty-five years of collaboration with industrial users encompassing process operators, engineering contractors and plate-fin exchanger fabricators brings unique accuracy, acceptance of prediction and validation of results.
Technical Summary Up to 15 process streams, which can be: Single-phase liquids or gases, boiling liquids or condensing vapors. Either single components, or any mixture with or without non-condensable gases in any condition superheated vapor, saturated vapor, two-phase, saturated or subcooled liquid. Forced flow or thermosyphon natural circulation. Co-current, counter-current or crossflow.
Geometry Any complexity of exchanger inlet and outlet geometry can be modeled, including thermosyphon reboilers and crossflow geometries. The performance of every layer up to a maximum of can be calculated from specified inlet conditions. Metal temperatures across the exchanger can also be predicted to enable an assessment of the layer pattern suitability.
Single units and multiple blocks in series or parallel, with vertical or horizontal orientations can be modeled. Thermosyphon reboiler calculations are available for two types of reboiler, either internal submerged in a pool of liquid or external connected via pipe work to the pool of liquid at the bottom of a column. Distributor Models Extensive pressure drop calculations for common layouts of inlet and outlet distributors, both left and right-handed versions, including twin-headed types and hardway.
Checks for possible flow maldistribution problems.
HTFS – Aspen MUSE
Redistributors, either combining or dividing tutorila partial stream draw-off. These calculations include the frictional, gravitational and accelerational components of pressure change.
If the manufacturers’ data is not available, then research-validated fin performance correlations provided in MUSE can be used instead. Summary of exchanger performance.
Temperature and quality profiles along the exchanger for all process streams. Comprehensive information on pressure drop through the exchanger, including details of losses in nozzles, headers and distributors. Fin performance data calculated by the program.
Longitudinal thermal conduction if required.
Detailed summary of thermosyphon calculations. Extensive summary of metal temperature distribution. MUSE provides this in a unique commercial package supported by authoritative research-based methods and validation.