نتایج جستجو برای: off design

تعداد نتایج: 1123555  

2006
Siv Hilde Houmb

This chapter describes the integrated security verification and security solution design trade-off analysis (SVDT) approach. SVDT is useful when there is a diverse set of requirements imposed upon a security critical system, such as a required security level, time-to-market and budget constraints and end users’ expectations. Balancing these needs requires developers to evaluate alternative secu...

Journal: :The Journal of experimental biology 2000
A Seyfarth R Blickhan J L Van Leeuwen

A two-segment model based on Alexander (1990; Phil. Trans. R. Soc. Lond. B 329, 3-10) was used to investigate the action of knee extensor muscles during long jumps. A more realistic representation of the muscle and tendon properties than implemented previously was necessary to demonstrate the advantages of eccentric force enhancement and non-linear tendon properties. During the take-off phase o...

2005
Jihong Ren

On-chip speeds and integration densities have grown exponentially over the past several decades creating a corresponding demand for high-bandwidth, chip-to-chip communication. Compared with integrated circuit technology, the technologies for chip-packaging, printed circuit boards, and connectors improve at a much slower rate. This results in a big and growing gap between the I/O bandwidth neede...

Journal: :مهندسی صنایع 0
سیما غایب لو دانشجوی دکتری مهندسی صنایع دانشگاه صنعتی خواجه نصیرالدین طوسی محمد جعفر تارخ دانشیار دانشکدة مهندسی صنایع دانشگاه صنعتی خواجه نصیرالدین طوسی

closed-loop supply chain network (clscn) design aims at incorporating environmental considerations into the traditional supply chain design by including recycling, disassembly and reuse activities. in a clscn, the environmental considerations can also be facilitated by resorting to environmentally friendly materials and enhancing product reuse through the design of an appropriate product recove...

The most important factors affecting soil erosion and runoff include climate, soil erodibility, topography, vegetation cover and land management. In this article, an assessment of topography, slope and climate effects on the runoff production within marly lands in Zanjan province by using an artificial rain simulator. In this regard, by overlying slope, climate, and marly units of geological fo...

In this paper, a robust tracking control method for automatic take-off and trajectory tracking of a quadrotor helicopter is presented. The designed controller includes two parts: a position controller and an attitude controller. The attitude controller is designed by using the sliding mode control (SMC) method to track the desired pitch and roll angles, which are the output of position controll...

سعید امین نعیمی, , محسن منتظرالقائم, , منصور زند, ,

In this study, the design and construction of a pulse high repetition rate (HRR), transverse atmospheric pressure (TEA) CO2 laser with ultra violet preionization is presented. In this laser, normal pure, industrial gases and also a combination of spark and corona preionization are used. In semi-sealed off condition, we obtained 220 watts at 300 Hz, %7.7 efficiency, 735 mJ/pulse. The best record...

Journal: :Journal of Applied Fluid Mechanics 2022

In the present work, effects of modifying tongue geometry a centrifugal pump on pressure pulsations under design and off-design conditions are carried out numerically by unsteady analysis fluid flow. Numerical modeling based Re-Normalization Group (RNG) k-ε turbulence model using Mosaic mesh structure, technology which can easily, quickly formally connects any type for complex geometries flow r...

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