WaveCat, a novel overtopping Wave Energy Converter, was tested with the aim of determining its performance under different sea states, establishing a starting point for optimisation of the device, numerical model validation and proof-of-concept for the control systems. The tests were carried out at a 1:30 scale in the Ocean Basin of the COAST Laboratory at University of Plymouth. A state-of-the-art control system was implemented, and overtopping rates and device motions were recorded alongside the wave field. It was observed that power generation is dependent on both the wave height and period, with smaller periods tending to produce greater overtopping rates, and therefore greater power generation, for the same wave height. Due to time constraints in the laboratory, only one configuration of draft/freeboard was tested; with this configuration, overtopping occurred under significant wave heights of 0.083 m or more, corresponding to 2.5 m or more in prototype values. These experimental results form the basis for future development and optimisation of WaveCat.
A syntactic feature that characterizes Early Modern Greek is the “pleonastic” usage of the complement conjunction óti or pos with the mood (“subjunctive”) particle na, as well as the co-presence of the complementisers óti and pos. These co-occurrences are ungrammatical in Modern Greek, while in vernacular Late Medieval and Early Modern Greek texts they are sufficiently attested. In this paper we record a large number of instantiations of the {óti / pos} + na / óti + pos structures in order to trace the conditions of their occurrence; the examples come from extended prose texts of the 16th century as Kartanos’ “Palaia te kai nea Diathiki” (Kakoulidi-Panou 2000) or Morezinos’ “Klini Solomontos” (Kakoulidi-Panou et al. 2007), as well as an anthology of demotic prose texts of 16th century edited by Kakoulidi-Panou, Karantzola & Tiktopoulou (in press).
The article focuses on the investigation of the function and distribution of certain complementation markers in Early Modern Greek. The quantitative analysis of these phenomena can indicate patterns of complement markers usage which are determined by factors such as dialectic or stylistic variation. Moreover, it is emphasized that thorough investigation within a larger corpus is decisive for the study of morphosyntactic change since this reveals minor cases of phenomena which may otherwise remain unnoticed, although they may be important to better comprehend how structures emerge, get established or become obsolete in the diachrony of a given language.
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