Now showing items 1-9 of 9
On extending audio feedback loops to include electrodynamic speakers
Summary. The purpose of the investigation was to determine the applicability of extending inverse feedback techniques to electrodynamic loudspeakers by finding first, what the general limitations were, and second, how much ...
A servomechanism pantagraph
A study of ultimate design as applied to rigid frames
The methods of analyzing rigid frames in present use are known to have many undesirable characteristics which are either directly or indirectly the result of limiting stress and strain to values below the proportional ...
The ultrasonic measurement in nitrogen, carbon dioxide and nitrogen-carbon dioxide mixtures at medium pressure and temperature
Velocity of sound measurements have been made in pure nitrogen, pure carbon-dioxide and mixtures of these two gases at a constant pressure of 50 psi over a temperature range from 75°F to 530°F. From the experimental data ...
Isothermal relationship between activity coefficients and liquid composition. III. Ternary system: water-monoethanolamine-n-propanol
Isothermal vapor-liquid equilibrium relationships were determined at 950°C in a Colburn still for the ternary mixture water-n-propanol monoethanolamine and its three binary mixtures. The van Laar equation was found to ...
Heat transfer coefficients for condensation of N-heptane in the presence of methane
In this investigation, condensing heat transfer coefficients for the n-heptane-methane system were studied as a function of concentration of methane in the vapor at two condenser temperatures, 224 and 247 F. It was estimated ...