1. What is Discharge Given Formation Constant T?

Discharge Given Formation Constant T calculates the rate of flow of a fluid in unsteady flow conditions using the formation constant and change in drawdown between two wells.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q \) — Discharge (m³/s)
• \( Fc \) — Formation Constant for Unsteady Flow (m²/s)
• \( \Delta d \) — Change in Drawdown (m)
• \( \pi \) — Archimedes' constant (≈3.14159)

Explanation: This formula calculates fluid discharge rate based on formation characteristics and drawdown differences between observation wells.

3. Importance of Discharge Calculation

Details: Accurate discharge calculation is crucial for groundwater flow analysis, well testing, aquifer characterization, and environmental impact assessments.

4. Using the Calculator

Tips: Enter formation constant in m²/s and change in drawdown in meters. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is Formation Constant for Unsteady Flow?
A: It's an equilibrium constant that characterizes the formation of flow patterns in unsteady flow conditions, typically measured in m²/s.

Q2: How is Change in Drawdown measured?
A: Change in drawdown is the difference in water level measurements between two observation wells at different times or locations.

Q3: What are typical discharge values in groundwater flow?
A: Discharge values vary widely depending on aquifer characteristics, ranging from small fractions to several cubic meters per second.

Q4: When is this formula most applicable?
A: This formula is particularly useful for analyzing unsteady flow conditions in confined aquifers and well hydraulics studies.

Q5: What are the limitations of this calculation?
A: The accuracy depends on proper measurement of formation constant and drawdown, and assumes ideal aquifer conditions.