How to Calculate Time in Hours given Time at 1st and 2nd Instance since Pumping Started?
Time in Hours given Time at 1st and 2nd Instance since Pumping Started calculator uses Time in Hours = (2.303*Discharge*log((Time of Drawdown (t2) in Wells/Time of Drawdown (t1) in Wells),10))/(4*pi*Difference in Drawdowns) to calculate the Time in Hours, Time in Hours given Time at 1st and 2nd Instance since Pumping Started formula is defined as a measure of the time elapsed in hours since pumping started, considering the unsteady flow context, where the time at the first and second instances are known, enabling the calculation of the time in hours. Time in Hours is denoted by thour symbol.
How to calculate Time in Hours given Time at 1st and 2nd Instance since Pumping Started using this online calculator? To use this online calculator for Time in Hours given Time at 1st and 2nd Instance since Pumping Started, enter Discharge (Q), Time of Drawdown (t2) in Wells (t2sec), Time of Drawdown (t1) in Wells (t1) & Difference in Drawdowns (Δs) and hit the calculate button. Here is how the Time in Hours given Time at 1st and 2nd Instance since Pumping Started calculation can be explained with given input values -> 4.3E-5 = (2.303*1.01*log((62/58.7),10))/(4*pi*0.014).