Introduction: Small field dosimetry is challenging for radiotherapy dosimetry. measurement of the output factor in the air and water (Sc, Scp) is one of the input parameters for commissioning of treatment planning systems and beam modeling. The aims of this study are to measured Sc,Scp for small fields with EBT2 and Ion chamber and design a appropriate mini-phantom for small fi...

Steam-water flow exists in most geothermal reservoirs where steam-water capillary pressure plays an important role in controlling fluid distribution, transfer of liquid between fracture and matrix, well productivity, and even the reserves. However, it is very difficult to measure steam-water capillary pressure due to the phase transformation and the significant mass transfer between the two pha...

Water extraction from air, based on reverse cycle systems, is becoming a technology more and diffused various models of air to water generators (AWG) are now available, all claiming the best efficiency. To date, there not standard indicator stating energy efficiency for AWGs, neither in literature nor technical practice. The only evaluation parameter, that can be found sort specific consumption...

water hammer is one of the destructive hydrodynamic phenomena which is established in most pumping stations, transmission lines and hydroelectric power plants. this phenomenon gives rise to abnormal pressures, cavitation occurrence and finally pipe explosion and disturbance of the whole system. to control the maleffects of this event, different methods are devised. one of which is sometimes eno...

Measuring Cattle Feedlot Dust Using Laser Diffraction Analysis Authors: H.B. Gonzales, R.G. Maghirang, J.D. Wilson, E.B. Razote, L. Guo Submitted to: Transactions of the ASABE Open beef cattle feed lots can emit considerable amounts of particulate matter. The combined effects of warm temperature, low humidity and high wind speed can promote rapid water evaporation from the pen surface, making p...