A micro-thermocouple, microphones and microphone probes were employed to provide detailed information on key ongoing processes in a premixed swirl flame. High frequency pressure and temperature measurements were carried out to identify temperature field and acoustic characteristics of a swirl...

Combustion systems results in high pollution and low performance due to lack of uniform thermal and chemical behavior in the entire reactor zone. Localization of multiple acoustic sources using an array of microphones and time difference of arrival (TDOA) method is examined. Adaptations of such...

Quality of sulfur deposits collected from hydrogen sulfide combustion has been examined. Experimental conditions representing selected practical systems have been investigated. Combustion of hydrogen sulfide was allowed to occur under the different conditions with sulfur deposits collected for...

In India, the credit needs of dryland farmers, especially small and marginal farmers, are served largely by non-institutional sources. The formal bank ing system follows a risk-averse strategy towards lending to this segment, and does not appear to attach any significance to the generation of...

We study the phase transition on a highway in a modified anisotropic continuum model with an on-ramp, which is recently developed by Gupta and Katiyar (J. Phys. A: Math. Nucl. Gen. 38 (2005) 4069]. To investigate whether this model can describe several distinct traffic states that are identified...

A meso-scale heat recirculating thrust chamber has been developed for use with methanol, by utilizing steam/oxygen as an oxidizer. The steam/oxygen mixture serves as a surrogate for hydrogen peroxide. The extinction regimes, discharge characteristics, and both steady state and pulsing thrust...

Next generation combustors are expected to be significantly more efficient while reducing pollutants and eliminating carbon emissions. In such combustors, the challenges of local flow, pressure, chemical composition and thermal signatures as well as their interactions require understanding to...

A reduction strategy of hydrogen sulfide/oxygen reaction mechanism is conducted to simplify the detailed mechanism. Direct relation graph and error propagation methodology (DRGEP) has been used. A novel approach of direct elementary reaction error (DERE) has been developed in this study. The...

The Effect of the presence of nitrogen and carbon dioxide in H2S acid gas stream is investigated. Concentrations of up to 30% of N2 or CO2 in H2S stream have been examined. All cases were compared with the baseline case of 100% H2S acid gas stream. Temperature measurements showed that injection...