Low-flow solar heating systems employ flow rates that are significantly lower than those of conventional flows. Low-flow systems are of interest because the reduced flow rate allows smaller diameter tubing, making it less costly to install. Further, low-flow systems result in increased tank stratification. Lower collector inlet temperatures are achieved through stratification and the useful energy produced by the collector is increased.
A key disadvantage of low-flow systems is that the heat removal factor by the collector decreases with decreasing flow rate.
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Innovation sector
Renewable Energy
Core sciences & engineering
Corporate researcher
Solution provider
Solar energy
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Innovation Insights