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VinceK
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Can a one-moving-part Rankine engine be more efficient than a Stirling engine?
Rankine vs. Stirling Engine
- Thread starter VinceK
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AI Thread Summary
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.
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Hi,
I have a vessel I 3D printed to investigate single bubble rise. The vessel has a 4 mm gap separated by acrylic panels. This is essentially my viewing chamber where I can record the bubble motion. The vessel is open to atmosphere.
The bubble generation mechanism is composed of a syringe pump and glass capillary tube (Internal Diameter of 0.45 mm). I connect a 1/4” air line hose from the syringe to the capillary
The bubble is formed at the tip...
Scenario 1 (figure 1)
A continuous loop of elastic material is stretched around two metal bars. The top bar is attached to a load cell that reads force. The lower bar can be moved downwards to stretch the elastic material.
The lower bar is moved downwards until the two bars are 1190mm apart, stretching the elastic material. The bars are 5mm thick, so the total internal loop length is 1200mm (1190mm + 5mm + 5mm).
At this level of stretch, the load cell reads 45N tensile force.
Key numbers...
I'd like to create a thread with links to 3-D Printer resources, including printers and software package suggestions. My motivations are selfish, as I have a 3-D printed project that I'm working on, and I'd like to buy a simple printer and use low cost software to make the first prototype.
There are some previous threads about 3-D printing like this: https://www.physicsforums.com/threads/are-3d-printers-easy-to-use-yet.917489/
but none that address the overall topic (unless I've missed...
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