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Visual knowledge guided intelligent generation of Chinese seal carving Research Article

Kejun ZHANG, Rui ZHANG, Yehang YIN, Yifei LI, Wenqi WU, Lingyun SUN, Fei WU, Huanghuang DENG, Yunhe PAN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 10, Pages 1479-1493 doi: 10.1631/FITEE.2100094

Abstract: intelligent art-generation system (Zhejiang University Intelligent System, http://www.next.zju.edu.cn/seal/; the website of the search and layout system is http://www.next.zju.edu.cn/seal/search_app/) to dealcharacters and seal stamps.Furthermore, to create the layout of the seal, we propose a deformation algorithm to adjust the sealcarving.

Keywords： Seal-carving Intelligent generation Deep learning Parametric modeling Computational art

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Method for solving the nonlinear inverse problem in gas face seal diagnosis based on surrogate models

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0689-z

Abstract: However, they have not been introduced into gas face seal diagnosis tasks because of the unacceptablework provides a quantitative, explainable, and feasible approach for identifying the cause of gas face seal

Keywords： surrogate model gas face seal fault diagnosis nonlinear dynamics tribology

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Impact of dimethyl ether on engine seal materials

WU Ning, ZHANG Wugao, HUANG Zhen

Frontiers in Energy 2008, Volume 2, Issue 3, Pages 279-284 doi: 10.1007/s11708-008-0042-1

Abstract: show that fluorine rubber (FKM), silicone rubber (SIR), and nitrile rubber (NBR) are unsuitable as seal

Keywords： impact Common polyvinylchloride different constitution ethylene propylene

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Emerging and Innovative Materials for Hydropower Engineering Applications: Turbines, Bearings, Sealing, Dams and Waterways, and Ocean Power Review

Emanuele Quaranta, Peter Davies

Engineering 2022, Volume 8, Issue 1, Pages 148-158 doi: 10.1016/j.eng.2021.06.025

Abstract:

The hydropower sector is currently experiencing several technological developments. New technologies and sustainable practices are emerging to make hydropower more flexible and eco-friendly. Novel materials have also been recently developed to increase performance, durability, and reliability; however, no systematic discussions can be found in the literature. Therefore, in this paper, novel materials for hydropower applications are presented, and their performance, advantages, and limitations are discussed. For example, composites can reduce the weight of steel equipment by 50% to 80%, polymers and superhydrophobic materials can reduce head losses by 4% to 20%, and novel bearing materials can reduce bearing wear by 6%. These improvements determine higher efficiencies, longer life span, waste reduction, and maintenance needs, although the initial cost of some materials is not yet competitive with respect to the costs of traditional materials. The novel materials are described here based on the following categories: novel materials for turbines, dams and waterways, bearings, seals, and ocean hydropower.

Keywords： Bearing Composite Dam Hydropower Material Ocean Seal Turbine