Lab 3.docx - Lab 3 FLUID POWER PUMPS AND INTRO TO HYDRAULIC...

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Lab 3: FLUID POWER PUMPS AND INTRO TO HYDRAULIC CIRCUITS Caleb Shafer MMET 401-512 Abhishek Paramasivan, MSME 2/15/2021
Memo To: Abhishek Paramasivan, MSME From : Caleb Shafer Section # : 512 Date : 2/15/2021 Re : Lab Session #3 Report _____________________________________________________________________________________ Purpose The purpose of this lab is to understand the differences between positive and non-positive displacement pumps, the pros and cons of various positive displacement pumps, and learn how to calculate flow rate. Procedure External and internal gear, vane, and piston pumps were presented and explained, each with an animated video of them functioning. Necessary measurements were provided in order to calculate their flow rates. Results The Results for the labs are enclosed in the attached lab handouts. Conclusions/Recommendations Gear, vane, and piston pumps are positive displacement pumps that operate very differently and thus, have advantages and disadvantages that the others do not have. Gear pumps use internal and external gears to pull fluid in through the inlet and push it out through the outlet while vane pumps use variably sized vanes that operate like a rotary engine. Piston pumps have pistons mounted to a swash plate mounted at an agle that rotates and pushes/pulls pistons and thereby fluid. The vane pump in the lab had the highest displacement and flow rate, followed by the piston and gear pump. Physical measurements determine these numbers. It is recommended that pumps be operated during the lab to demonstrate their functionality as opposed to simply showing an animation. Real-world applications Pump design is what defines their advantages, disadvantages, and ideal use cases. Therefore, simply being aware of the design of various pumps can indicate to a technical professional the ideal pump to look for when specifying a system through a catalog for

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