A High Speed Resistivity System for Investigation of Processes on Geocentrifuges

Geocentrifuge experiments require rapid event sampling. Electrical Resistivity Tomography is a method well suited for geocentrifuge experiments, however, commercially available systems can not perform at the speeds required to sample these experiments without temporal aliasing occurring. A novel ERT system was designed, and two of these systems were constructed — one for research at the INEEL, and one for research at UC Davis. System performance is comparable to that of existing commercial system, while the maximum system speed is close to four orders of magnitudes higher than that of commercial systems. This system should thus be able to adequately sample processes occurring on the geocentrifuge.