aerodynamic loads and wake flow features of low aspectratio triangular prisms at different wind dir.docx

1、aerodynamic loads and wake flow features of low aspectratio triangular prisms at different wind dirshadow to model aerodynamic resistance and flow separation: An isotropic studyOriginal Research ArticleAtmospheric EnvironmentA review of wind energy technologiesReview ArticleRenewable and Sustainable

2、 Energy Reviewsaerodynamic forces and pressures on square plan buildings with height variationsOriginal Research ArticleJournal of Wind Engineering and Industrial Aerodynamicstransient aerodynamic characteristics around vans running into a road tunnelOriginal Research ArticleJournal of Hydrodynamics

3、Aerodynamic focusing in spatially periodic flows: Two-dimensional symmetric and antisymmetric channelsOriginal Research ArticleJournal of Aerosol Sciencemulti-product manufacturing lines with the consideration of product change dependent inter-task times, reduced changeover and machine flexibilityOr

4、iginal Research ArticleJournal of Manufacturing SystemsAerodynamic dispersion of cohesive powders: A review of understanding and technologyOriginal Research ArticleAdvanced Powder Technologycruise control (ACC) limits visibleOriginal Research ArticleInternational Journal of Human-ComputerPrevious st

5、udies have shown adaptive cruise control (ACC) can compromise driving safety when drivers do not understand how the ACC functions, suggesting that drivers need to be informed about the capabilities of this technology. This study applies ecological interface design (EID) to create a visual representa

6、tion of ACC behavior, which is intended to promote appropriate reliance and support effective transitions between manual and ACC control. The EID display reveals the behavior of ACC in terms of time headway (THW), time to collision (TTC), and range rate. This graphical representation uses emergent f

7、eatures that signal the state of the ACC. Two failure modesexceedance of braking algorithm limits and sensor failureswere introduced in the driving contexts of traffic and rain, respectively. A medium-fidelity driving simulator was used to evaluate the effect of automation (manual, ACC control), and

8、 display (EID, no display) on ACC reliance, brake response, and driver intervention strategies. Drivers in traffic conditions relied more appropriately on ACC when the EID display was present than when it was not, proactively disengaging the ACC. The EID display promoted faster and more consistent b

9、raking responses when braking algorithm limits were exceeded, resulting in safe following distances and no collisions. In manual control, the EID display aided THW maintenance in both rain and traffic conditions, reducing the demands of driving and promoting more consistent and less variable car-fol

10、lowing performance. These results suggest that providing drivers with continuous information about the state of the automation is a promising alternative to the more common approach of providing imminent crash warnings when it fails. Informing drivers may be more effective than warning drivers.Artic

11、le Outline1. Introduction 1.1. EID for adaptive cruise control1.2. Purpose2. Method 2.1. Participants2.2. Apparatus2.3. Driving environment overview2.4. Driving task2.5. Adaptive cruise control2.6. Experimental design2.7. Procedure2.8. Dependent variables3. Results and discussion 3.1. Automation rel

12、iance3.2. Driver intervention 3.2.1. Cluster analysis of intervention strategies3.3. Benefits of EID in manual control3.4. Secondary task performance3.5. Limitations4. ConclusionAcknowledgementsReferencesdensity of non-spherical particles as derived from combined measurements of aerodynamic and mobi

13、lity equivalent sizeOriginal Research ArticleJournal of Aerosol Scienceaerodynamic forces on a circular cylinder in linear shear flow at subcritical Reynolds numberOriginal Research ArticleJournal of Fluids and StructuresAerodynamic loads calculation and analysis for large scale wind turbine based o

14、n combining BEM modified theory with dynamic stall modelOriginal Research ArticleRenewable EnergyThe aerodynamic loads for MW scale horizontal-axis wind turbines are calculated and analyzed in the established coordinate systems which are used to describe the wind turbine. In this paper, the blade el

15、ement momentum (BEM) theory is employed and some corrections, such as Prandtl and Buhl models, are carried out. Based on the B-L semi-empirical dynamic stall (DS) model, a new modified DS model for NACA63-4xx airfoil is adopted. Then, by combing BEM modified theory with DS model, a set of calculatio

16、n method of aerodynamic loads for large scale wind turbines is proposed, in which some influence factors such as wind shear, tower, tower and blade vibration are considered. The research results show that the presented dynamic stall model is good enough for engineering purpose; the aerodynamic loads

17、 are influenced by many factors such as tower shadow, wind shear, dynamic stall, tower and blade vibration, etc, with different degree; the single blade endures periodical changing loads but the variations of the rotor shaft power caused by the total aerodynamic torque in edgewise direction are very

18、 small. The presented study approach of aerodynamic loads calculation and analysis is of the university, and helpful for thorough research of loads reduction on large scale wind turbines.Article Outline1. Introduction2. Coordinate systems for wind turbines3. Calculation models of blade aerodynamic l

19、oads 3.1. Corrections for BEM theory3.2. Dynamic stall model 3.2.1. Unsteady attached flow3.2.2. Trailing edge separated flow3.2.3. Vortex induced air-loads3.2.4. Verification of dynamic stall model3.3. Aerodynamic loads model4. Calculation results analysis5. ConclusionsAcknowledgementsGlossaryRefer

20、encesthermodynamic and aerodynamic losses in nucleating steam flowOriginal Research ArticleInternational Journal of Heat and Mass TransferReliability modeling and analysis of serial-parallel hybrid multi-operational manufacturing system considering dimensional quality, tool degradation and system co

21、nfigurationOriginal Research ArticleInternational Journal of Production EconomicsFlexibility in manufacturing systems: A relational and a dynamic approachOriginal Research ArticleEuropean Journal of Operational ResearchMachine configuration selection has a great impact on the system-level reliabilit

22、y of a manufacturing system, while the absence of proper consideration of the product quality and the tool degradation on tool failure when determining the machine-level reliability is likely to result in unanticipated machine downtimes or inappropriate maintenance decisions. A generic methodology i

23、s thus developed to incorporate both the machine-level and the system-level reliability analyses. Firstly, the machine-level reliability is investigated based on the product dimensional quality and the tool degradation. A novel machine-level quality reliability-integrated model is developed to addre

24、ss the interaction between product quality and tool reliability. The developed machine-level reliability model is then used to estimate the system-level reliability for a manufacturing system with selected configurations. Various hybrid configurations of the multi-operational manufacturing system ar

25、e investigated in terms of the system-level reliability. The analytical procedure and the effectiveness of the proposed methodology are demonstrated through an example of a serial-parallel hybrid system for cylinder head gasket machining.Article Outline1. Introduction2. Assumptions and notations 2.1

26、. Assumptions2.2. Notations3. Machine-level reliability modeling and analysis 3.1. Product quality and tool degradation3.2. Quality and reliability interaction3.3. Machine-level reliability modeling considering product quality and manufacturing system component degradation4. System-level reliability

27、 modeling and analysis 4.1. Reliability of different configurations4.2. Reliability modeling and analysis of hybrid configuration5. Case study6. Concluding remarksAcknowledgementsAppendix A. AppendixReferencesminimizing mean flowtime in FMSs with routing flexibility: Threshold-based alternate routin

28、gOriginal Research ArticleEuropean Journal of Operational ResearchPrediction of aerodynamic diameter of particles with rough surfacesOriginal Research ArticlePowder TechnologyAdjoint-based aerodynamic shape optimization on unstructured meshesOriginal Research ArticleJournal of Computational Physicsc

29、ontrol strategies of an FMS under different scenariosOriginal Research ArticleRobotics and Computer-Integrated ManufacturingThis paper presents a simulation study aimed at evaluating the performances of a flexible manufacturing system (FMS) in terms of makespan, average flow time, average delay time

30、 at local buffers and average machine utilization, subject to different control strategies which include routing flexibilities and dispatching rules. The routing strategies under evaluation are no alternative routings; alternative routings dynamic; and alternative routings planned. Above routing str

31、ategies are combined with seven dispatching rules, and studied in different production volume which varies from 50 to 500 parts. In addition, impacts of both infinite and finite local buffer capacities are analyzed. Since an FMS usually deals with a variety of products, effects of changing the part

32、mix ratio are also discussed. Finally, machine failure is also introduced in this research to study the effects of machine reliability on the system. Simulation results indicate that the alternative routings planned strategy outperforms other routing strategies if the local buffer size is infinity. However, there is no particular dispatching rule that performs well in all buffer size settings but infinity buffer s