Kemgbe afọ 2017, ndị nchọpụta na-arụ ọrụ iji nweta ike ike nke evaporation site na mmetụta hydrovoltaic (HV). Evaporation na-eme ka a na-aga n'ihu na-aga n'ime nanochannels n'ime ngwaọrụ ndị a, nke na-eme dị ka usoro mgbapụta na-adịghị arụ ọrụ. A na-ahụkwa mmetụta a na microcapillaries nke osisi, ebe njem mmiri na-eme n'ihi nchikota nke nrụgide capillary.