The aim of the Plasma Position Reflectometry (PPR) diagnostic is to provide the ITER Plasma Control System with real-time measurements of the edge density profile at four locations, known as gaps 3, 4, 5 and 6, which can be used to supplement the magnetic measurements of the plasma-wall gaps as well as to correct potential drifts of the magnetics during long pulses. The systems of gaps 4 and 6 will have some components inside the vacuum vessel. These components make up the PPR in-vessel subsystem and consist of: (i) the antennas, installed in small apertures between blanket modules; and (ii) waveguide components connecting the antennas to the primary confinement barriers, which form the boundary between the in-vessel and ex-vessel part of the systems. Herein, we describe the design status of the in-vessel subsystem, namely of the components already prototyped, including the most relevant results of the tests conducted to assess the EM performance of the components as well as the feasibility and quality of the manufacturing techniques. With the exception of one of the waveguide bends of gap 4, the tests show that the waveguide prototypes exhibit adequate performance, which indicates that it is possible to manufacture these components according to their technical specifications. Concerning the antennas, the tests show that both gaps should be able to achieve the target error margin of ±1 cm except in the K band, where they might face some difficulties. K: Microwave Antennas; Nuclear instruments and methods for hot plasma diagnostics; Waveguides; Instrument optimisation 1Corresponding author.
The concepts of ethics and morals play a fundamental role in everyday interactions, establishing guidelines on what is considered correct or incorrect, as well as guiding decision-making in the face of different situations. organizational. In this context, understanding the perception of students who will soon be in the market, being able to develop organizational policies based on ethical principles, as well as promoting social responsibility practices, becomes extremely important. This study aims to investigate the perception of Production Engineering students at the Petrópolis School of Engineering at the Federal Fluminense University about ethics, morals and social responsibility as a backdrop for organizational management. For this, the PRESOR scale, developed by Singhapakdi et al. (1996 and 2001), in order to measure the students' perception levels on the theme. At the end of this work, results were obtained that allowed a more in-depth analysis of the relationship between students and their ethical perceptions, contributing to a better understanding of the pre-established limits in this academic context and that can contribute to future professional development.
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