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Title: New Method For The Characterization Of Flow Profiles
Author: T. Lederer, m. Dues, U. Muller, H. Baumann, F. Adunka, G. Wendt
Source: Flomeko 2007
Year Published: 2007
Abstract: Testing of water and heat meters 1 refer to different kinds of flow profiles, like a fully developed turbulent flow profile or to disturbed flow profiles, which are generated using flow-disturbers like a swirl generator or a diaphragm. This approach arises a complex set of questions, as how an undisturbed flow profile can be characterized (theoretically and experimentally), and from which point on an undisturbed flow profile is no longer undisturbed? how do the flow profiles in the test benches from National Metrology Institutes (NMI) look like, and are they comparable to the flow profiles of test benches of manufacturers? how do the flow profiles downstream flow disturbers look like, and represent these disturbed profiles real flow configurations? And last but not least: how a flow profile can be measured quick, cheap and non-invasive? To achieve first results a cooperation project of Europes leading NMIs for flow measurement, PTB (Germany), METAS (Switzerland) and BEV (Austria) together with two small spin-off enterprises (ILA Inc. - Germany, OPTOLUTION Inc. - Switzerland) was founded in 2005.

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