Since tj is independent of angle 0, the last term of this equation can be dropped. The fundamental equation of radial flow is then

The solution of this differential equation with boundary conditions (Gupta 1989) yields

This equation is known as the Thiem equation.

To calculate the head at the well jw using Equation 9.3(12), substitute the radius of the well rw for r, which gives

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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