1. What is Well Discharge Given Specific Capacity?

Well discharge given specific capacity is a calculation used in hydrogeology to determine the rate of flow from a water well based on its specific capacity, head loss in the well, and aquifer loss. This helps in assessing the well's productivity and efficiency.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Discharge (m³/s)
• \( Sc \) — Specific Capacity (m²/s)
• \( CQ^n \) — Head Loss in well (m)
• \( BQ \) — Aquifer loss (m)

Explanation: The formula calculates the discharge by multiplying the specific capacity with the sum of head loss in the well and aquifer loss.

3. Importance of Discharge Calculation

Details: Accurate discharge calculation is crucial for designing water supply systems, managing groundwater resources, and ensuring sustainable extraction rates from wells.

4. Using the Calculator

Tips: Enter specific capacity in m²/s, head loss in well in meters, and aquifer loss in meters. All values must be valid (specific capacity > 0, head loss and aquifer loss >= 0).

5. Frequently Asked Questions (FAQ)

Q1: What is specific capacity?
A: Specific capacity is the rate at which water can be extracted from a well per unit drawdown, typically measured in m²/s or similar units.

Q2: How is head loss in well determined?
A: Head loss in well is measured as the difference in hydraulic head between the aquifer and the well due to various losses during flow.

Q3: What factors affect aquifer loss?
A: Aquifer loss depends on the aquifer's properties, such as permeability, thickness, and the well's construction details.

Q4: When should this calculation be used?
A: This calculation is used in well testing, design of water supply systems, and assessment of well performance.

Q5: Are there limitations to this formula?
A: The formula assumes steady-state conditions and may not account for transient effects or complex aquifer geometries.