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This document establishes a classification for fan efficiency. It applies to all electric-motor-drive
The scope of this standard includes all electric motor driven fan systems that utilize a specific combination of components as defined below: 1) Fan airflow performance tested in accordance with ISO/Standard 5801, Industrial fans -- Performance Testing Using Standardized Airways. 2) Polyphase...
The scope of this standard includes all electric motor driven fan systems that utilize a specific combination of components as defined below: 1) Fan airflow performance tested in accordance with ISO/Standard 5801, Industrial fans -- Performance Testing Using Standardized Airways. 2) Polyphase...
The scope of this standard includes all electric motor driven fan systems that utilize a specific combination of components as defined below: 1) Fan airflow performance tested in accordance with ISO/Standard 5801, Industrial fans -- Performance Testing Using Standardized Airways. 2) Polyphase...
The purpose and scope of this document is to state the parameters of the earth's natural environment, above 100 kilometers, for use in space vehicle and space system design. The natural environment includes neutral atmosphere, plasma, energetic charged particles, meteoroids, geomagnetic field,...
1 Anwendungsbereich Diese Richtlinie gilt für Verdunstungskühlanla
Ventilatoren sind Strömungsmaschinen zur Förderung von Gasen mit einem Druckverhältnis bis zu p2/p1 = 1,3. Diese Grenze ist aufgrund einer allgemeinen Vereinbarung festgelegt, und es bleibt selbstverständlich offen, ob man eine Maschine, deren Betriebsdaten gerade in der Nähe dieses Werts liegen,...
