INCREASING ENERGY SAVINGS POTENTIALS OF AIR-JET WEAVING MACHINES BY USING ENERGY EFFICIENCY AS A CENTRAL REQUIREMENT IN THE DESIGN PHASE OF THE WEFT INSERTION PROCESS
Corrado Grassi1; Achim Schröter2
1 3T GmbH, Aachen; 2 Institut für Textiltechnik
doi:10.20906/CPS/COB-2015-2721
Resumo
This abstract deals with the use of a novel method to exploit energy savings potentials in production processes of textile industry based on air jet weaving technology. Energy efficiency is taken as central property in the design process and it represents a new requirement/property to be defined in the phase of design problem/task definition. In contradiction with established methodologies, the approach includes an initial analysis of existing technical systems and the individuation and classification of their prior and relevant energy consumers (sub-systems and processes). The identified major consumers and processes are afterwards systematically addressed to reduce their energy consumption: relay nozzles and interaction of the flow field with the profiled reed. A following analysis step consists in the verification of the system design, predicting and evaluating the system behavior using several tools (e.g. finite element analysis, computational fluid dynamics simulations, experimental analyses, etc.). The design process provides one or more solutions if the accounted properties are met by the defined characteristics. A systematic approach for the development of energy efficiency machine tools, proposed by Neugebauer, provides general concepts that can be applied to other type of industrial machinery and is taken as reference in the definition of methodologies for the energy efficiency design of specific machines. This approach is based on the property-driven design methodology by Weber, that defines the design process as a process which has to reach given properties (i.e. requirements) by defining characteristics to ensure these properties (e.g. geometries or materials). It must be noted that in general, energetic efficiency depends on how a machine is made ("design") and how it is used ("management"). These two aspects cannot be fully separated and a designer must take into account how the machine will be used and what will be the associated total cost of ownership and environmental impact. Since nowadays pro
Palavras-chave: Energy efficiency; Air jet weaving; Weft insertion; Machine Manufacturing; CAE tools; CFD simulation techniques; Experimental analysis