Chapter 7 : Power transmission by low-compressibility fluids
7.1.1. Rigid pipe
1) It is then preferable to model the pipe as :
Answer : d) One restriction only - R elements
2) Choose the most appropriate pipe modeling :
Answer : d) Several R, C and I assemblies in series
7.1.2. Hydraulic actuator chamber
1) What equation represents :
- The transformation of effort / pressure: a
- The flow / speed transformation: a
- The compressibility of the fluid: None
- External hydraulic leaks: None
2) What is the sign convention associated with the flow at the hydraulic port ?
a) a positive flow rate is equivalent to a positive piston speed