Pressure and Flow in a Hydraulic System and Their Basic Relationship

This video is about Relationship Between Pressure and Flow in a Hydraulic System. It discusses how pressure behaves with there is no flow and when flow is happening. I demonstrate this both on the board and on the transparent hydraulic trainer.
For more information on this and other fluid power topics please check out my book published by American Technical Publishers (ATP).

[grahamovermyer]

Absolutely phenomenal explanation of these concepts. Thank you so much!

[mekidaw]

What a fantastic explanation, I wish I had this knowledge when I was doing fluid mechanics subject in uni.

[Tmrfe]

You are a wealth of information for me, I’m a new instructor in my trade school and your series has helped me tremendously. I can’t thank you enough

[maheshyogeshbhai]

Great, this video has helped me to understand conceptually.
Appreciated 👍

[helicopterpeace]

Me too. I cannot thank you enough either. You explain very well and succinctly. I have subscribed. I also am considering buying your book Fluid Power Systems.

[zimmers]

Hey KleteeTech, no body could have explained this better than you. thank you so much!
I have a question that i don't understand for some time.
1.the pressure in the house in the small pipes and the big pipes is identical?
2. In my house I have a pressure relief valve and it reduces pressure in my house system, how does it happen? the force that uses to lift the spring makes pressure loss ? -- the energy is being lost? therefore reducing pressure? after the relief valve?

[mahmoudgamei]

Thank you. Amazing and very helpful video.

[peymanabdollahi]

wow, such a beautiful scinece, I have just started to learn about hydraulic systems and by watching this video, i'm sure i'm gonna have so much fun leaning it, it's lovely.

[necmiyaman]

Thank you so much..there are very useful information in this video for me..

[vicjames]

Very knowledgeable. Thanks for sharing it.

[VladimirJovana]

you are actually very good, but one small clarification (sure you are aware of that): pump does not create pressure. Pump/EM creates flow. Pressure is created by obstacles in the hydraulic system; pipes and their resistance to flow, valves, pipe curves and (most notably) cylinders with their loads or hydraulic motors and their loads. Cheers, very nice lectures.

[jefcro]

Thank you for a great video. I would like to construct a similar hydraulic circuit for instructional purposes. Where did you purchase the hydraulic equipment in the video?

[alexfinn]

Really excellent video. If your pump has higher flow capacity than the piping system allows to fill the cylinder, the pressure in the upstream piping would be higher and the pressure regulating would have to operate? Is that correct? Thank you.

[bigmikeh]

Another great explanation. Keep up the great work.

[filipkralj]

funny how this principle is similar to relation between voltage and current in electricity, thx for great videos and tutorials

[nadeemzzz]

What will happen if we are accelerating the load? Will the pressure of oil increase?

[Charles-inzt]

Great video. One question, my 5th wheel slideout and landing legs are operated by the hydraulic system. There are no pressure gauges on the unit. Am I correct in thinking that there should be no pressure on the system if the pump is not operating? I had a hydraulic hose burst and the front landing legs were holding the trailer up because it was unhitched from the truck. I wondered if that meant the hydraulic system had to be pressurized anytime a landing leg was down or a slide-out was operated. Also how can I make sure that if I need to unscrew a hydraulic hose that their wouldn't be pressure behind it?

[nadeemzzz]

Does anyone have the force vs displacement graph of a simple manual hydraulic jack ? I mean how the force changes when we use and press on the lever of a hydraulic jack ! I want to know the complete scenario : before pressing the lever, while pressing the lever and raising the object, after raising the object! I want to know how the force and pressure of fluid changes during the whole process!

[lalitmakwana]

How to operate 8 cylider at differat preassere 8 Lpm capacity kindly explain

[mandarkokate]

Does high pressure increase the flow rate?