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A fuzzy control system of diesel generator speed

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A fuzzy control system of diesel generator speed

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Diesel generator, in which the generator is driven by the diesel engine to generate alternating current which frequency should keep stable and constant, is broadly used as mobile, urgent or field power sourc. The alternating current frequency is determined by...

A REVIEW ON NANOFLUIDS – PART II: EXPERIMENTS AND APPLICATIONS

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Research in convective heat transfer using suspensions of nanometer-sized solid particles in base liquids started only over the past decade. Recent investigations on nanofluids, as such suspensions are often called, indicate that the suspended nanoparticles markedly change the  transport properties...

Acoustic emission based drill condition monitoring during drilling of glass/phenolic polymeric composite using wavelet packet transform

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Monitoring of tool condition on the basis of sensor signals requires a selection of suitable signal processing technique and monitoring index, to assess the tool condition. In this paper, wavelet packet transform is used as a tool, to characterise the...

Alleviation of rolling contact fatigue on Sweden’s heavy haul railway

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A test has been undertaken on Sweden’s Malmbanan, or iron ore railway, to reduce rolling contact fatigue (RCF) damage by developing a preventative maintenance regime involving routine grinding of the rails. In just the first 2 years of the test,...

An investigation of microstructure/property relationships in dissimilar welds between martensitic and austenitic stainless steels

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The metallurgical characteristics, tensile, hardness, toughness and corrosion resistance of dissimilar welds  between X5CrNi18-10 grade austenitic and X20CrMo13 grade martensitic stainless steel have been evaluated. Both austenitic and duplex stainless steel electrodes were used to join this combination, using multipass ...

Corrosion resistance of sintered duplex stainless steel evaluated by electrochemical method

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Purpose: of this paper was to examine the corrosion resistance of duplex stainless steels using  electrochemical methods in 1M NaCl solution. The influence of powder mixes preparation and cooling cycle after sintering on corrosion properties was evaluated. Design/methodology/approach: In presented...

Development of Brake System and Regenerative Braking Cooperative Control Algorithm for Automatic-Transmission-Based Hybrid Electric Vehicles

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In this paper, a brake system for an automatic transmission(AT)-based hybrid electric vehicle (HEV) is developed, and a regenerative braking cooperative control algorithm is proposed, with consideration of the characteristics of the brake system. The brake system does not require...

Drilling of carbon composites using a one shot drill bit. Part I: Five stage representation of drilling and factors affecting maximum force and torque

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The thrust force and torque produced during drilling contain important information related to the quality of the hole and the wear of thedrill  bit  . In this paper, the force and torque produced during drilling of carbon fibre using a...

Effect of PWHT cycles on fatigue crack growth and toughness of quenched and tempered pressure vessel steels

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Transportable pressure vessels, commonly manufactured from quenched and tempered (QT) steels, require mandatory postweld heat treatment (PWHT) regardless of plate thickness. During their life, transportable pressure vessels may have up to 4 PWHT cycles at  temperatures between 540 and 590...
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