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This paper presents a new type of vertical takeoff and landing(VTOL) aircraft, using a new type of vector propulsion scheme is different from the traditional vector propulsion scheme, which can change the three elements of thrust. This paper describes the overall layout and mechanical structure of the new aircraft. The force and moment of the flight are analyzed, and the dynamic model is established...
QoS-aware applications can satisfy not only the functional requirements of the customers, but also the QoS requirements. QoS-aware Web service orchestration translates the QoS requirements of the customers into those of its component Web services. In a system viewpoint, we discuss issues on QoS-aware Web service orchestration and design a typical QoS-aware Web service orchestration engine called QoS-WSOE...
NAND flash based solid state drives (SSDs) have been widely adopted as storage devices in modern data centers to provide high performance I/O services. Recently, researchers proposed several schemes to improve energy efficiency of the system by off-loading specific computation tasks from generic processors to local processing elements in SSD controllers. However, it is inefficient to directly apply...
Static and dynamic simulation of effect of carbon source and hydraulic retention time (HRT) on removal performance of nitrogen and phosphorous were carried out by using activated sludge model software Biowin3 for typical anaerobic-anoxic-aerobic (A2/O) process in municipal wastewater treatment plant. The static simulation results showed that increasing C/N and C/P could improve obviously removal performance...
To improve transient response of turbocharged gasoline, various kinds of optimization methods were studied by using engine performance simulation software GT-POWER. The results showed that: increasing valve overlap, using the series composite supercharge and replacing the original turbocharger with a VNT turbocharger can improve transient response characteristics of the original supercharge engine,...
Nowadays, more researchers in the simulation field are interested in the use of a service-oriented architecture and component-based system in order to design more efficient large-scale distributed simulation systems. A Service-Oriented Architecture (SOA) is a collection of independent services with well-defined interfaces that can be accessed without knowledge of their implementation. A component-based...
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