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Flow assurance is often vital to successful development of deepwater fields. As the industry explores deeper-water wells, longer transportation distances have become more common; this presents a specific challenge for subsea production flowlines. The combination of low temperatures and high pressure present on the seabed can result in hydrate formation ot wax deposits inside flowlines, limiting or even blocking the flow. Electric alternating current can be passed through the pipe wall; the pipe acts as a conductor in a single phase circuit and therefore, heat is generated to maintain the
Computation of efficiency maps is critical but can be laborious in designing an electrical machine. ANSYS offers a user-friendly electric machine design toolkit integrated into ANSYS® Maxwell. The toolkit allows for the computation and display of torque speed curves, efficiency maps and other performance curves for electrical machines.
Whether desired or undesired, currents flowing in solid conductors create Joule losses that contribute heat to a thermal system. Concurrently, the electrical and thermal properties of materials often are temperature dependent, which affects current distribution and heat flow. These loss and temperature variations can be monitored and controlled through proper engineering and simulated within ANSYS software.
The most common form of wireless power transmission uses direct induction; resonant magnetic induction applications are second. Both are related to electromagnetic fields and can be modeled with ANSYS Maxwell.
Today’s rapidly evolving products are getting smarter and often include complex interactions between components, subassemblies and systems. In industries such as automotive, aerospace and industrial automation, organizations use robust systems-level simulation to identify potential problems, early in the design stages, that other simulation or build-and-test methods cannot detect.
Power cables, such as those found in subsea oil fi eld operations, carry megawatts of power to a variety of mission-critical pumps and motors. Several cables can be bundled together into umbilicals that supply power to separate loads from a single source. Since these cables can be very costly to design, manufacture and maintain, the analysis underlying their specification must be thorough and accurate.
A Hall-effect sensor is a transducer that varies its output voltage in response to changes in a magnetic field. Hall sensors are used for proximity switching, positioning, speed detection and current-sensing applications. In principle, they are analog but can be used to operate digitally by a Schmitt trigger output. These sensors are very common, small and inexpensive; they also have the advantages of being insensitive to dust, humidity, vibration, etc. Hall-effect sensors exhibit constant-over-time behavior.
The electric drive system is a key application in power electronics. Optimizing such complex mechatronic system requires in-depth analysis, expertise and rigorous methodology. This can be realized in several ways, optimizing each component of the system separately. But using optimal components does not guarantee optimal behavior of the whole drive. This calls for a system simulation approach integrating each individual part of the drive system into a commonsimulation platform.
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