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Monodisperse aerosols are essential in many applications, such as filter testing, aerosol instrument calibration, and experiments for validating models. This paper describes the design principle, construction, and performance of a monodisperse-aerosol generation system that comprises an atomizer, virtual impactor, microcontroller-based isokinetic probe, wind tunnel, and velocity measurement device...
Heat sinks are often considered to be the cheapest, the simplest and the best solution for the thermal problems of electronic components. In this paper, a modified pin design is introduced for pin fin heat sink where the pins are expanded outward. After that, thermal analysis of the conventional pin fin heat sink and the modified pin fin heat sink is conducted numerically for natural convection for...
Many biomass solid wastes are being considered to be potential sources of renewable energy. In this paper, mahogany seeds, sawdust, rice husk and coconut shell are considerable feedstock which are used for pyrolysis system to produce non-conventional fuel. The products obtained while using these feedstock are pyrolysis oil, solid char and gas. The property of the oils produced from different biomass...
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