Brayton cycle with regeneration operates between temperature limits of 50 °C and 1000 °C. Pressure ratio is 5. For a specific heat ratio of 1.5, the maximum thermal efficiency would be 56.61 % 43.39 % 91.45 % 59.81 %

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Metrology of Screw Threads

Screw threads are a series of ridges having the profile of a helix. This helix profile runs continuously along the length of a uniform solid or a hollow bar of a circular cross-section at periodic intervals. These helix ridges are also formed over a conical bar. These continuous helical ridges are termed threads.