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 order to determine whether the groundwater seepage has an impact on the ground heat exchanger in thermal efficiency, a three-dimensional coupling thermal seepage model of the vertical u-tube ground heat exchanger was established. The standard κ-ε turbulence model was used inside the pipe and the porous media model was used outside the pipe. The heat transfer process was simulated by the FLUENT...
An impulsive delayed chemostat model with seasonality is formulated and analyzed. By introducing two thresholds, we obtain sufficient conditions for permanence of the system. It is shown that the conditions depend on time delay for the permanence of the model. Numerical results show that the system we considered has complex dynamics and the results we obtained conform to the fact of biological conservation
This paper proposes a new method of extracting feature points of hand. The method uses the center of mass of the hand as the match point to calculate the location information of the target based on Mathematical model of binocular visual positioning. The convex hull points of hand contour obtained by image segmentation can be used to identify the different gestures. Furthermore, a system with both...
A key issue in successful new product development is how to determine the best product design among a lot of feasible alternatives. In this paper, the authors present a novel rigorous assessment methodology to improve the decision-making analysis in the complex multiple-attribute environment of new product design (NPD) assessment in early product design stage, where several performance measures, like...
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.