1. If I place the crank mechanism in the edge of the shaft, how efficient is it?
2. If I place the crank mechanism in the middle of the shaft, how efficient is it?
The range of power loss due to placing the crank mechanism at the edge of the shaft can vary significantly based on factors such as the design of the system, materials used, lubrication efficiency, alignment accuracy, and operating conditions. In general, power transmission losses in such a scenario could range from a few percentage points to a significant decrease in overall efficiency, potentially leading to a substantial reduction in power output.
Enamul Khan
Hello.
The efficiency of complex mechanisms depends on various factors including the number of kinematic pairs and their dimensions. The presence of parasitic forces in the crank mechanism leads to energy loss and decrease in efficiency to less than 30%. To improve the efficiency, it is essential to eliminate parasitic forces. For more information, you can refer to the article "Checking Internal Combustion Engine Mechanisms for Parasitic Forces Using a New Methodology" in International Journal of Mechanical Engineering and Applications, 12(1), 32-36. https://doi.org/10.11648/j.ijmea.20241201.14
Enamul Khan
additional link: New methodology for assessing the efficiency of complex machine mechanisms. AIP Conference Proceedings. 040098. 10.1063/5.0145575.
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