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The objective of this study is to develop a digital and battery-free smart pipe-flow-meter. Three major technologies made this possible: a cog-resistance-free generator with high efficiency, an effective methodology to extract its energy and a low power consumption metering system, for a new generation of flow meters. In the system, a tiny portion of the kinetic energy from the fluid/air flow was...
Linear permissions have been proposed as a lightweight way to specify how an object may be aliased, and whether those aliases allow mutation. Prior work has demonstrated the value of permissions for addressing many software engineering concerns, including information hiding, protocol checking, concurrency, security, and memory management. We propose the concept of a permission-based programming language...
This paper presents a novel “Self-Powered Pipe Flow Metering System (SPPFM)” with the functions of measurement, analysis and display incorporated with self-powering. The features of vortex flow metering and pipe flow generator are adopted simultaneously to develop this integrated system.
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