EXAMPLE 10.4. The three pipes in figure are cast iron with characteristics as shown in table. The three pipes are interconnected at junction J. Water temperature is 68°F. Calculate the flow in each pipe. 98 ft 48 ft 18 ft Length (ft) 2000 Pipe Inside diameter (in) f 1 7 0.0225 2 1000 0.0240 3 1500 8 0.0240

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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**Example 10.4:**

The diagram illustrates a system with three interconnected cast iron pipes at junction J. The table provides specific characteristics of each pipe. The objective is to calculate the flow in each pipe given that the water temperature is 68°F.

**Diagram Explanation:**

- The system consists of three pipes labeled 1, 2, and 3.
- Each pipe connects to a node, indicated with different height levels where the water enters:
  - Pipe 1 with an elevation of 18 ft.
  - Pipe 2 with an elevation of 98 ft.
  - Pipe 3 with an elevation of 48 ft.
- All pipes merge at junction J.

**Table Description:**

| Pipe | Length (ft) | Inside diameter (in) | f (friction factor) |
|------|-------------|----------------------|-------------------|
| 1    | 2000        | 7                    | 0.0225            |
| 2    | 1000        | 5                    | 0.0240            |
| 3    | 1500        | 8                    | 0.0240            |

- **Pipe 1** is 2000 feet long with an inside diameter of 7 inches and a friction factor of 0.0225.
- **Pipe 2** is 1000 feet long with an inside diameter of 5 inches and a friction factor of 0.0240.
- **Pipe 3** is 1500 feet long with an inside diameter of 8 inches and a friction factor of 0.0240.

To calculate the flow in each pipe, use the given parameters (length, diameter, elevation, and friction factor) and apply relevant hydraulics equations.
Transcribed Image Text:**Example 10.4:** The diagram illustrates a system with three interconnected cast iron pipes at junction J. The table provides specific characteristics of each pipe. The objective is to calculate the flow in each pipe given that the water temperature is 68°F. **Diagram Explanation:** - The system consists of three pipes labeled 1, 2, and 3. - Each pipe connects to a node, indicated with different height levels where the water enters: - Pipe 1 with an elevation of 18 ft. - Pipe 2 with an elevation of 98 ft. - Pipe 3 with an elevation of 48 ft. - All pipes merge at junction J. **Table Description:** | Pipe | Length (ft) | Inside diameter (in) | f (friction factor) | |------|-------------|----------------------|-------------------| | 1 | 2000 | 7 | 0.0225 | | 2 | 1000 | 5 | 0.0240 | | 3 | 1500 | 8 | 0.0240 | - **Pipe 1** is 2000 feet long with an inside diameter of 7 inches and a friction factor of 0.0225. - **Pipe 2** is 1000 feet long with an inside diameter of 5 inches and a friction factor of 0.0240. - **Pipe 3** is 1500 feet long with an inside diameter of 8 inches and a friction factor of 0.0240. To calculate the flow in each pipe, use the given parameters (length, diameter, elevation, and friction factor) and apply relevant hydraulics equations.
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