Nanocellulose, which is cellulose in the form of nanostructures, has emerged as one of the most significant green materials of our time in recent years because of their appealing and exceptional characteristics such as abundance, high aspect ratio, improved mechanical capabilities, renewability, and biocompatibility. The present review mainly covers the effect of different properties of nanocellulose on the mechanical properties of nanocellulose-based multiscale composites. Our review article covers the classification of nanocellulose structures, extraction of Nanocellulose, and mechanical properties of cellulosebased multiscale composites such as tensile, flexural and impact, followed by the applications of nanocellulose-based multiscale fiber reinforced polymer composites. There is a demand in the industry for an efficient alternate material to man-made synthetic materials with superior mechanical properties.Nano cellulose-based multiscale composites can be an efficient alternative to meet sustainability goals without compromising performance.

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In this paper we discuss an approach for fuel quality detection using Ultra-wideband (UWB) radar. The experimental setup consists of an ultrashort monocycle pulse transmitter (30 ps), an UWB sampling receiver and UWB antennae (3.1-10.6 GHz). One dimensional Finite Difference Time Domain (FDTD) model was used to model the electromagnetic wave propagation and assess the feasibility of oil quality detection using UWB RADAR. Performance of the UWB RADAR was analyzed through detailed experiments. The adulteration of gasoline and high speed diesel with kerosene was increased from 1% to 12% in steps . Using time of flight analysis the variation in adulteration of gasoline was detected from 1%. Adulteration in high speed diesel was detected using frequency domain analysis. Further, the level of water in the oil storage tank below the diesel or gasoline level can be accurately estimated. Detailed experiments with multiple batches of gasoline and high speed diesel were conducted. We also demonstrate that the adulteration can be detected across different batches of fuel.

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