Sökresultat

Filtyp

Din sökning på "*" gav 550105 sökträffar

The Influence of Nitric Oxide on the Occurrence of Autoignition in the End Gas of Spark Ignition Engines

Full-cycle simulations of a spark ignition engine running on a primary reference fuel have been performed using a two-zone model. A detailed kinetic mechanism is taken into account in each of the zones, while the propagating flame front is calculated from a Wiebe function. The initial conditions for the unburned gas zone were calculated as a mixture of fresh gas and rest gas. The composition of th

Forerunners in bi-gyrotropic materials

Forerunners (precursors) in linear, temporally dispersive, bi-gyrotropic materials are investigated using time-domain techniques. Bi-gyrotropic materials are characterized by twelve constitutive parameters (integral kernels). Specifically, the four susceptibility dyadics are all gyrotropic with a common gyrotropic axis. Pulse propagation along this axis is analyzed using dispersive (noncoupling) w

Validation of a 1D transient heat and moisture calculation tool under real conditions

Stricter Swedish building regulations require a moisture-safety design process to be carried out before houses are built. In order to predict moisture-critical conditions, a properly verified, user-friendly and reliable calculation tool that could be used in this design phase, is required.This paper initially presents a blind method that could be used in order to verify heat and moisture calculati