An interferometer has been used to measure the change in index of refraction with change in pressure or temperature. Absolute indices of refraction are reported to five decimals for benzene, carbon tetrachloride, and water at eight different...
An interferometer for measuring change in index of refraction with pressure is described. Absolute indices of refraction are reported to five decimals for benzene, carbon tetrachloride, and water at pressures as high as 1100 bars over a small...
acoustic calibrations; acoustic measurements; calibration; electronic instrumentation; microphone calibration; microphone pressure calibration; microphone reciprocity calibration; power line frequency; power line interference; pressure reciprocity...
The electrical measurements required during the primary calibrations of laboratory standard microphones by the reciprocity method can be influenced by power line interference. Because of this influence, the protocols of international...
The effects of addition of small quantities of perchloryl fluoride and of oxygen on the flame speed of methane-air mixtures have been determined and are compared with each other and with the effect of moderately preheating the burning mixture. Only...