BLOCKED FLOAD Problem 7 A double-acting cylinder is hooked up in the regenerative circuit shown. The relief valve setting is 110 bars. The piston area is 300 cm² and the rod area is 65 cm². If the pump flow is 0.0085 m³/s, find the cylinder speed and load-carrying capacity for the a. Extending stroke b. Retracting stroke
BLOCKED FLOAD Problem 7 A double-acting cylinder is hooked up in the regenerative circuit shown. The relief valve setting is 110 bars. The piston area is 300 cm² and the rod area is 65 cm². If the pump flow is 0.0085 m³/s, find the cylinder speed and load-carrying capacity for the a. Extending stroke b. Retracting stroke
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![### Problem 7
In this problem, we are working with a double-acting cylinder that is connected to a regenerative circuit as shown in the schematic diagram.
The following parameters are provided:
- Relief valve setting: 110 bars
- Piston area: 300 cm²
- Rod area: 65 cm²
- Pump flow rate: 0.0085 m³/s
Your task is to determine the cylinder speed and the load-carrying capacity for the following scenarios:
a. Extending stroke
b. Retracting stroke
#### Diagram Explanation
The schematic diagram shows a double-acting cylinder connected in a regenerative circuit. The key components of the circuit include:
- A double-acting cylinder
- Relief valve
- Directional control valve
- Pump
The diagram illustrates how the fluid flow is managed and directed to achieve the extension and retraction of the cylinder.
### Steps to Solve
To find the cylinder speed and load-carrying capacity for both extending and retracting strokes, you will need to apply the principles of fluid mechanics and hydraulic systems. The following formulas and considerations might be useful:
1. **Flow Rate (Q):**
Given in the problem as 0.0085 m³/s.
2. **Cylinder Speed (V):**
The speed of the cylinder rod can be determined using the relationship between flow rate and area:
For the extending stroke:
\[ V_{extending} = \frac{Q}{A_{piston} - A_{rod}} \]
For the retracting stroke:
\[ V_{retracting} = \frac{Q}{A_{piston}} \]
3. **Load-Carrying Capacity (F):**
The force can be calculated using the pressure and the effective area:
\[ F = P \times A \]
Where:
- \( P \) is the pressure setting of the relief valve.
- \( A \) is the effective area for the extension and retraction phases.
Using these formulas and the given data, you will be able to determine the required speed and load-carrying capacity for each stroke of the cylinder.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f8a6c8f-9c9e-4a3f-8cfc-fb848b18acc8%2F66dcbf6b-be2e-48e9-b985-a9f3dd67ed30%2Fxv1gywb_processed.gif&w=3840&q=75)
Transcribed Image Text:### Problem 7
In this problem, we are working with a double-acting cylinder that is connected to a regenerative circuit as shown in the schematic diagram.
The following parameters are provided:
- Relief valve setting: 110 bars
- Piston area: 300 cm²
- Rod area: 65 cm²
- Pump flow rate: 0.0085 m³/s
Your task is to determine the cylinder speed and the load-carrying capacity for the following scenarios:
a. Extending stroke
b. Retracting stroke
#### Diagram Explanation
The schematic diagram shows a double-acting cylinder connected in a regenerative circuit. The key components of the circuit include:
- A double-acting cylinder
- Relief valve
- Directional control valve
- Pump
The diagram illustrates how the fluid flow is managed and directed to achieve the extension and retraction of the cylinder.
### Steps to Solve
To find the cylinder speed and load-carrying capacity for both extending and retracting strokes, you will need to apply the principles of fluid mechanics and hydraulic systems. The following formulas and considerations might be useful:
1. **Flow Rate (Q):**
Given in the problem as 0.0085 m³/s.
2. **Cylinder Speed (V):**
The speed of the cylinder rod can be determined using the relationship between flow rate and area:
For the extending stroke:
\[ V_{extending} = \frac{Q}{A_{piston} - A_{rod}} \]
For the retracting stroke:
\[ V_{retracting} = \frac{Q}{A_{piston}} \]
3. **Load-Carrying Capacity (F):**
The force can be calculated using the pressure and the effective area:
\[ F = P \times A \]
Where:
- \( P \) is the pressure setting of the relief valve.
- \( A \) is the effective area for the extension and retraction phases.
Using these formulas and the given data, you will be able to determine the required speed and load-carrying capacity for each stroke of the cylinder.
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