Rankine vs. Stirling Engine

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The discussion centers on the efficiency comparison between a one-moving-part Rankine engine and a Stirling engine. One participant claims that their research suggests the Rankine engine could outperform the Stirling engine but lacks mathematical proof to support this assertion. The conversation highlights the importance of mathematical validation in scientific claims, emphasizing that without it, the argument lacks credibility. Participants stress the need to consult existing literature and professional studies to substantiate claims about engine efficiency. Overall, the debate underscores the necessity of rigorous analysis in evaluating engine performance.
VinceK
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Can a one-moving-part Rankine engine be more efficient than a Stirling engine?
 
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Welcome to PF.

What has your research so far indicated?
 
My research indicates that a single-moving-part Rankine can out perform a Stirling but I don't have the math to prove it ... :-(
 
VinceK said:
My research indicates that a single-moving-part Rankine can out perform a Stirling but I don't have the math to prove it ... :-(
The "math to prove it" would depend on numerous factors. What do you think those might be? Under what circumstances "can" it happen?
 
VinceK said:
My research
Which appears to mean your personal attempts to wave your hands.

Have you looked at the literature to see if any professionals in the field have investigated this topic, and if so, what they found?
 
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VinceK said:
I don't have the math
Without math you're just waving your hands. That's not a good way to investigate a scientific question.
 
My idea is that I want to use immerse Whitetail Antlers in a fishtank to measure their volumetric displacement (the Boone and Crockett system is the current record measurement standard to place in a juxtaposition with) I would use some sight glass plumbed into the side of the tank to get the change in height so that I can multiply by the tank cross-section. Simple Idea. But... Is there a simple mechanical way to amplify the height in the sight glass to increase measurement precision...

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