نتایج جستجو برای: fuel ratio
تعداد نتایج: 566108 فیلتر نتایج به سال:
overall energy efficiency (oee) is an important indicator of energy consumption in tillage operations. tillage energy was studied objectivity to accurately measure the oee of mf399-4wd tractor. the tractor was equipped with different types of sensors to measure and calibrate the required data including: fuel consumption, actual forward speed, wheel speed and slippage, engine speed, draft and dr...
1n this program,aresearchgasturbinecombustor is used to study the influence of individual variables (in particular, fuel spray characteristics) on primary zone emissions. The unique combustor is operated under realistic conditions and allows for independent control of drop size, fuel-air ratio, air inlet temperature, pressure, reference velocity, and residence time. Also, it lends itself to the...
The impact of oxygen ion transport at the electrolyte–electrode interface of a micro-solid oxide fuel cell using different fuels is investigated. Model validation is performed to verify the results versus the reported values. Furthermore, as the hydrogen-to-carbon ratio decreases, the diffusivity of the oxygen ion increases. This increase in diffusivity is observed because the number of hydroge...
Actuation schemes exist that permit the joint manage ment of air and fuel ow into the cylinders of a spark ignition engine With the exception of drive by wire systems to date the transient control aspects of these schemes collectively refered to here as secondary cylin der air ow actuators has not received any attention from the control community This paper takes a rst step in the analysis of t...
This paper presents the performance analysis of a planar solid-oxide fuel cell (SOFC) under direct internal reforming conditions. A detailed olid-oxide fuel cell model is used to study the influences of various operating parameters on cell performance. Significant differences in efficiency nd power density are observed for isothermal and adiabatic operational regimes. The influence of air numbe...
Most HWRs currently use natural uranium fuel. Using enriched uranium fuel results in a significant improvement in fuel cycle costs and uranium utilization. On the other hand, reactivity changes of HWRs over the full range of operating conditions from cold shutdown to full power are small. This reduces the required reactivity worth of control devices and minimizes local flux distribution perturb...
Magnetizing the fuel in inertial confinement fusion relaxes ignition requirements by reducing thermal conductivity and changing the physics of burn product confinement. Diagnosing the level of fuel magnetization during burn is critical to understanding target performance in magneto-inertial fusion (MIF) implosions. In pure deuterium fusion plasma, 1.01 MeV tritons are emitted during deuterium-d...
Fuel load and fuel moisture content are crucial parameters in estimating bushfire risk. However, current measures of these parameters are not spatially distributed within fire districts; the district-level indices are derived from pointbased estimates at sparsely located stations. In addition, they are based on meteorological inputs alone, rather than observations, and are the major sources of ...
In order to determine the fusion energy gain in a target due to inertial confinement fusion, it is necessary to solve hydrodynamic equations governed on plasma behavior during confinement time. To compress spherical multilayer targets having fuel in the central part, they are irradiated by laser or heavy ion beams. A suitable mass ratio of a pusher is used to ignite the central part of the ta...
This work focuses on the modeling and feedback control of the high velocity oxygen fuel (HVOF) thermal spray processing of WC–Co coatings. A first-principles-based process model is proposed to explore the fluid dynamics and particle inflight behavior in the HVOF flow field. Rule-based stochastic simulation, which encapsulates the main features involved in the deposition process, is used to capt...
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