Results 71 to 80 of about 13,840,373 (231)
Journal of the Royal Anthropological Institute, EarlyView.This article analyses class construction amongst the urban Indian middle class, through a novel prism of romantic love, specifically performances of romantic love which in turn highlight anxieties of being middle class. The article explains how a performance of romantic love before marriage is used as a basis by the middle class to claim being global ...
Parul Bhandari
wiley +1 more source
INTERFERENCE BETWEEN HELICOPTER AND ITS SURROUNDINGS, EXPERIMENTAL AND NUMERICAL ANALYSIS
TASK Quarterly, 2009 The paper describes the phenomenon of the occurrence of aerodynamic interference between a helicopter and an object in its near vicinity. Such situations occur during rescue missions as well as during police and military operations when the helicopter ...
TOMASZ ŁUSIAK +2 more
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Simulation of Helicopter Dynamic Landing Based on Path Planning and Dynamic Inverse Control
Nanjing Hangkong Hangtian Daxue XuebaoThis paper proposes a dynamic landing simulation method for helicopters， considering the effects of ship wake， atmospheric turbulence， and ship motion， as well as the ground effect between the rotor and the deck， on the control quantities and attitude ...
YANG Shuhan, CHEN Renliang, YE Yi
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Performance and Vibration Analyses of Lift-Offset Helicopters
International Journal of Aerospace Engineering, 2017 A validation study on the performance and vibration analyses of the XH-59A compound helicopter is conducted to establish techniques for the comprehensive analysis of lift-offset compound helicopters.
Jeong-In Go, Do-Hyung Kim, Jae-Sang Park
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GHOSTLY ENCOUNTERS IN LAGOS: Virtual Reality between Urban Marketing and Media Activism
International Journal of Urban and Regional Research, EarlyView.Abstract This article examines the role of virtual reality (VR) technologies in mediating and contesting dominant visions of urban futures in West Africa. Drawing on theoretical insights from a hybridization of the work of the German‐born Jewish critic Walter Benjamin and the Nigerian writer Amos Tutuola, I introduce the concept of phantasmagoria as a ...
Hervé Roquet
wiley +1 more source
Simulation of Backstepping-based Nonlinear Control for Quadrotor Helicopter
Applications of Modelling and Simulation, 2018 The control of quadrotor helicopter in a hover condition has always been a great challenge for control engineers and researchers. Various algorithms have been developed to control this type of helicopter due to its high nonlinearities.
M. A. M. Basri +2 more
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The British Journal of Sociology, EarlyView.ABSTRACT This piece examines the systematic erosion of academic freedom and the institutionalized censorship and repression of academics in Iran following the Woman, Life, Freedom movement, where universities have been reshaped into extensions of the security state through ideological vetting, pervasive surveillance, and the purging of dissenting ...
Arash Beidollahkhani
wiley +1 more source
The carbon content of billionaire wealth: composition, concentration and taxation
Fiscal Studies, EarlyView.Abstract How large are billionaires' carbon footprints? While increasing evidence highlights large disparities in emissions between and within countries, detailed individual‐level data on emissions portfolios remain scarce. In this paper, we analyse the wealth composition of the top 500 billionaires and construct a dataset linking each of their assets ...
Krystian Bua +5 more
wiley +1 more source
Parameter Updating of Helicopter Airframe Finite Element Model Based on Response Surface Method
Nanjing Hangkong Hangtian Daxue XuebaoIn order to reduce the deviation between the finite element model of helicopter airframe and the actual model， a helicopter airframe model updating method based on the response surface method is adopted， which uses a hypersurface function to ...
ZHU Yin, HAN Dong
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Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2016 The paper deals with the non-contact method of monitoring the integrity of the main rotor blades of a helicopter. The available methods of monitoring the integrity of the main rotor blades of the helicopter are labor-intensive to implement, their ...
A. I. Danilin, S. V. Zhukov, M. S. Popov
doaj +1 more source