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Wind tunnels are used in aerodynamic and heat transfer research to analyze various effects on solid objects when air is forced on to them. This is done using a powerful fan or by a blower. These wind tunnels are equipped with suitable sensors for sensing various parameters like pressure variation, calculating the aerodynamic forces and other fluid flow characteristics. In present work, velocity of...
Surface Micromachining is an important method of fabricating microfluidic systems and devices. The difficulty in microfluidics lies in the introduction of fluids into the micro channels in precise quantities. In the present article, a syringe pump controlled by an Intel 8051 based microcontroller has been designed. The designed single infusion syringe pump is based on a lead screw mechanism. The design...
In the present study, Intel 8051 microcontroller based data acquisition system using the temperature sensor LM35 has been developed for measuring the cutting tool temperature. It involves conversion of signal from the sensor which senses the temperature of the tool, into digital output through ADC circuit and fetched by the computer via RS-232 interface with the help of microcontroller. It provides...
Intel 8051 microcontroller based capacitance meter has been developed based on the time lag involved in charging and discharging the capacitor. The value of the capacitance is shown using a LED interface. Continuous and precise measurement required for a two phase flow sensor is obtained using the PC connected via RS-232 interface. The instrument covers a range of 0.0125 pF to 1000uF with a resolution...
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