Center for Energy Studies, Savitribai Phule Pune University, Pune 411 007, India ...

Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650504, China ...

The extensively used method of diffraction rings (corona) can be applied only in the relatively rare case of isodisperse fogs. The photographic method devised by Findeisen 1 is rather complicated ...