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Coupling mechanism and coupling degree measurement model of shipbuilding industry cluster

Su Y., Wang F., An X.

Polish Maritime Research

2016

S 1

78--85

This article was aimed to analyse the working condition of the coupling mechanism in Chinese shipbuilding industry cluster. Literature review was conducted to unveil the coupling mechanism of shipbuilding industry cluster, providing analysis of the present development of shipbuilding industry. A theoretical model was proposed by using the efficacy function and the capacity of the coupling coefficient while measuring the coupling of the shipbuilding industry cluster. Four coupling characteristics were found including relevant, systemic, diversity, and collaborative in the shipbuilding industry cluster. The shipbuilding industry cluster has two levels of coupling mechanism including the core layer coupling mechanism and the support layer coupling mechanism respectively. The improvement through coupling the core layer, support layer, and the coupling between two levels, is an effective way to achieve long-term stable development in Chinese shipbuilding industry cluster.

Badanie zacierania w tarciu toczno-poślizgowym

Koziarski Cz., Ferenc Z.

Tribologia

2001

nr 4

625-638

W referacie przedstawiono wyniki i omówienie badań zacierania się metalowych próbek w postaci stożkowych krążków modelujących koła cierne. Próbki pracowały w warunkach poślizgu zmieniającego swoją wartość nie tylko co do wielkości, ale też co do kierunku na linii ich styku. Były one wykonane ze stali, a badano je na tribometrze SMC-2. Mierzono momenty oporu ruchu oraz temperaturę pracy na linii styku próbek w czasie przy zmiennych siłach docisku. Badania te są kontynuacją wcześniejszych prac [L. 1, 2, 3].

This paper presents the results and discussion of investigation upon the process of seizure developing between steel specimens shaped as tapered discs and considered as a model of friction wheels [L.1]. These experiments are a continuations of the testing that was described in previous research report [L.2 and 3]. The specimens were tested under conditions of variable sliding velocity (both in magnitude and direction) and load using the SCM-2 apparatus. The measured values were the resistance to rotation and temperature at the contact line vs. time.