841 A Simple Example

It is instructive to illustrate the optimization process with a very simple example: the thickness of insulation in a building wall. The annual heat flow Q across the insulation is

where

k = thermal conductivity (W/m.K) D = annual degree-seconds (K-s) t = thickness of insulation (m)

The capital cost of the insulation is

with pins = price of insulation ($/m3). The life cycle cost is

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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