The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In depth filtration, a challenge is to obtain the highest dust holding capacity (DHC) reaching a critical pressure drop in order to improve the filter medium lifespan. Such property can be driven by the design of the fibrous structure. Indeed, various structural parameters and properties can influence the behavior of the fibrous filter medium and the evolution of its filtration properties during the...
An approach to identify visual quality of nonwoven products by combining wavelet transform and learning vector quantization (LVQ) neural network is proposed in this paper. 625 nonwoven images of 5 different visual quality grades, each including 125 images, are decomposed at four different levels using five wavelet bases of the Daubechies family. The energy values L2 extracted from the high frequency...
Product prototype evaluation is an important phase in new product development (NPD). Such evaluation often requires multiple criteria that are within a hierarchy and a group of evaluators. The evaluation process and these evaluation criteria often involve uncertain and fuzzy data in the weights of these criteria and the judgments of these evaluators. To evaluate nonwoven cosmetic product prototypes,...
In this paper, we present a new fuzzy logic based selection criterion which takes into account both the conformity of human knowledge on nonwoven process technology and the sensitivity of measured data to the functional properties. This selection criterion permits to rank all process parameters (input variables) and select the most relevant parameters as input variables of the model for designing...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.