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Contactless flow measurement in liquid metal using electromagnetic time-of-flight method
| Content Provider | Scilit |
|---|---|
| Author | Dubovikova, Nataliia Resagk, Christian Karcher, Christian Kolesnikov, Yuri |
| Copyright Year | 2016 |
| Description | Journal: Measurement Science and Technology Measuring flow rates of liquid metal flows is of utmost importance in industrial applications such as metal casting, in order to ensure process efficiency and product quality. A non-contact method for flow rate control is described here. The method is known as time-of-flight Lorentz force velocimetry (LFV) and determines flow rate through measurement of Lorentz force that act on magnet systems that are placed close to the flow. In this method, a vortex generator is used to generate an eddy in the flow, with two magnet systems separated by a known distance placed downstream of the vortex generator. Each of the magnet systems has a force sensor attached to them which detects the passing of the eddy through its magnetic field as a significant perturbation in the force signal. The flow rate is estimated from the time span between the perturbations in the two force signals. In this paper, time-of-flight LFV technique is demonstrated experimentally for the case of liquid metal flow in a closed rectangular duct loop that is driven by an electromagnetic pump. A liquid metal alloy of gallium (Ga), indium (In) and tin (Sn)—GaInSn—is used as the working fluid. In contrast to prior works, for the first time, three-dimensional strain gauge force sensors were used for measuring Lorentz force to investigate the effect of flow disturbances in different directions for flow measurements by the time-of-flight LFV method. A prototype time-of-flight LFV flowmeter is developed, the operation of which in laboratory conditions is characterised by different experiments. |
| Related Links | http://iopscience.iop.org/article/10.1088/0957-0233/27/5/055102/pdf |
| ISSN | 09570233 |
| e-ISSN | 13616501 |
| DOI | 10.1088/0957-0233/27/5/055102 |
| Journal | Measurement Science and Technology |
| Issue Number | 5 |
| Volume Number | 27 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2016-04-06 |
| Access Restriction | Open |
| Subject Keyword | Journal: Measurement Science and Technology Flow Measurements |
| Content Type | Text |
| Resource Type | Article |
| Subject | Applied Mathematics Instrumentation Engineering |
