in the diesel engine exhaust gas recirculation (egr) components, valve and connecting pipes are the critical components and fails often during new engine development. these components are important for meeting nox emissions norms. therefore design of these components should remain robust. but the challenge in design is compact packaging of complete egr components on the engine consequently vibr...

In this paper we review the asymptotic matching conjectures for rregular bipartite graphs, and their connections in estimating the monomerdimer entropies in d-dimensional integer lattice and Bethe lattices. We prove new rigorous upper and lower bounds for the monomer-dimer entropies, which support these conjectures. We describe a general construction of infinite families of r-regular tori graph...

Language resources (LRs) are essential for research and application development. In this article we outline relevant principles for LR validation. We argue that the best way to validate LR is to implement it all along the way of LR production and have it carried out by an external and experienced institute, so that this institute can help define the validation criteria in terms of LR specificat...

The gap between the safety developments for critical systems and safety validations is very significant. In this paper, we propose to study the development of a safety framework that bridges the gap between safety developments and safety validations using a set of different but related models. Our proposed framework, among other things, includes a collection of models capturing both the behavio...

In this work we describe the second phase in the development of the rapid radiative transfer model (RRTM) (Mlawer et al. 1996), a rapid and accurate radiative transfer model designed for climate applications. The initial phase of RRTM, which uses the correlated-k method for radiative transfer, allowed the calculation of fluxes and cooling rates in the longwave region in clear-sky conditions. Re...

BACKGROUND Acute chest pain is a frequent reason to attend an emergency room, and various instruments for calculating the probability of an acute coronary syndrome exist. OBJECTIVE To assess the safety and efficiency of all available instruments investigated in sample validation studies. METHODS A systematic review was conducted. Studies were identified describing the development of instrum...