16. Abstract In a previous research project [SPR 2418; "Study of the performance of acoustic barriers for Indiana toll roads,"] the influence of environmental factors and of advanced sound barrier concepts was investigated. The presence of temperature gradients over pavements was found to have a strong influence on sound propagation. Refraction of sound waves emitted by tire-road interactions i...

Thermoelectric transport perpendicular to layers in multiple barrier superlattice structures is investigated theoretically in two limiting cases of no lateral momentum scattering and strong scattering. In the latter regime when lateral momentum is not conserved, the number of electrons participating in thermionic emission will dramatically increase. The cooling power density is calculated using...

We investigate the performance of barrier synchronisation on both shared-memory and distributed-memory architectures, using a wide range of techniques. The performance results obtained show that distributed-memory architectures behave predictably, although their performance for barrier synchronisation is relatively poor. For shared-memory architectures, a much larger range of implementation tec...

The aim of our research on AP1000 is to measure the overhead of some barrier algorithms and analyze how to take advantage of the AP100 architectural properties in order to obtain the best performance. We have measured the performance of various barrier algorithms on the AP1000. Our results were obtained by embedding barrier episodes inside a loop and averaging over a large number of operations....

We investigate the performance of barrier syn-chronisation on both shared-memory and distributed-memory architectures, using a wide range of techniques. The performance results obtained show that distributed-memory architectures behave predictably, although their performance for barrier synchronisation is relatively poor. For shared-memory architectures, a much larger range of implementation te...

the present paper explores the barriers to the supply chain of the lightweight construction in the automotive industry in zahedan. the aim of the study is to identify the barriers and the key performance of the automotive supply chain to help develop the production so as to achieve, in this way, higher quality products in less time and high customer satisfaction. to this end, the factors affect...