Abstract

A simple, relatively inexpensive and very flexible microprocessor-based data-acquisition system is described for use in thermo-fluids laboratories. The system, which is currently being used in natural and mixed convection heat transfer experiments, is completely programmable and can be expanded to meet growing needs. It is capable of receiving a variety of inputs, storing and processing the data, as well as controlling the entire data collection procedure. The data-acquisition system described can be assembled at about the same cost as a single, commercially available, one function data-logging device.

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