Hvater Tube Development

Some insight into the very careful and detailed development carried on by MAN/MWM was given by Zacharias (1973) in a scholarly discussion of the interrelation of computation and design in the development process. Part of this presentation included a discussion of stress and temperature distribution in heater tubes. Fig. 14.11 shows the elastic stress distribution in a heater-tube wall due to thermal strain and internal pressure. Fig. 14.12 shows the computed temperature distribution in a heater tube and Fig. 14.13 shows the computed creep-limited life expectation for heater tubes of different nickel-base steels.

(Zach arias 1973 V

Cold

Working scqucncc: Zl. Z3, Z4, Z2; Phase angle: 90 degrees Crank throw sequence:

Cold duct o ' Heater

Cold

Working scqucncc: Zl. Z3, Z4, Z2; Phase angle: 90 degrees Crank throw sequence:

Cold duct o ' Heater

Zl Z2 Z 3 Z4 Z5 Working sequence: Z1.Z2.Z4.Z6, Z5.Z3 Phase angle: 120 degrees v

Crank throw sequence: S^f^a '

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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