Abstract
The transient methods for collector performance testing are significant in those areas where the weather is often unsuitable for steady outdoor tests. A new filter method is proposed for transient testing of solar collectors. A second order model is used to describe the dynamic characteristics of a collector in the present study. According to the impulse response function of the collector, a recursive digital filter is constructed for transient test data processing. It is found that the filter method is simple, fast acting, and is valid in real-time applications. The experimental results with a filter have shown good agreement with those of standard steady-state method.
Published Version
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