Peristaltic flow of non-Newtonian fluid in a symmetric channel with partial slip effect is examined. The non-Newtonian behavior of fluid is characterized by the constitutive equations of Powell-Eyring fluid. The motion is induced by a sinusoidal wave traveling along the flexible walls of channel. The flow is analyzed in a wave frame of reference moving with the velocity of wave. The equations governing the flow are solved by adopting lubrication approach. Series solutions for the stream function and axial pressure gradient are obtained. Impact of slip and other emerging flow parameters is plotted and analyzed graphically.
This paper employs the feminist educational leadership perspective to analyse the ecological context and its influence on the leadership experiences of school head teachers within a patriarchal cultural setting. Methodology: This paper forms part of a mixed methods study that included a quantitative random survey during the first research phase to determine the leadership styles of 350 secondary school head teachers across nine districts in the Punjab province of Pakistan using the Multifactor Leadership Questionnaire. This paper is based on the second research phase that analyses empirical data from semi structured interviews of a purposive-stratified sample of 14 head teachers, selected from among the 264 survey respondents, comprising of seven males and seven females. Bronfenbrenner’s ecological development theory is employed as an analytical framework for thematic analysis. Findings: The study reveals that females must navigate gender stereotypes in a society where they have to fight to establish authority, encounter misogynistic attitudes, rely upon familial support to begin their career, gain spiritual support from a higher power, face work-family conflicts all while practicing educational leadership with high motivation. On the other hand, males assume themselves to be natural leaders and appear to be spared from ecological challenges that impede their leadership journeys. Implications: The findings confirm the prevalence of gender stereotypes that position leadership within the masculine domain in a patriarchal context. The study proposes a complete restructuring of the socio-cultural framework to create a gender neutral society that provides equal educational and professional opportunities to all social members in order to maximize human capital development that is crucial for a country’s economic progress. The findings reflect several subtle and non-subtle socio-cultural challenges faced by female leaders around the world. Originality – This study contributes to enhancing the literature on gender and educational leadership in a patriarchal cultural context.
In recent years, cloud computing has gained massive popularity in information technology and the industrial Internet of things. It provides facilities to the users over the wireless channel. Many surveys have been carried out in cloud security and privacy. The existing survey papers do not specify the classifications on the basis of cloud computing components. Therefore, they fail to provide the techniques with their specialities as well as the previously available literature review is outdated. This paper presents the security for cloud computing models with a new aspect. Unlike the previously existing surveys, the literature review of this paper includes the latest research papers in the field of cloud security. Also, different classifications are made for cloud computing security on the basis of different cloud components that are used to secure the cloud models. Furthermore, a total of eleven (11) classifications are considered, which includes cloud components to secure the cloud systems. These classifications help the researchers to find out the desired technique used in a specific component to secure the cloud model. Moreover, the shortcoming of each component enables the researchers to design an optimal algorithm. Finally, future directions are given to highlight future research challenges that give paths to researchers.
The promised paradises of colonial capitalism and neoliberalism are set in a perpetually elusive future (Fitzpatrick 1992). This future is not a set destination, but an endless linear journey set to the thrum of ‘progress’ and ‘development’. This paper considers, in the context of recent cases relating to development in the Athabasca tar sands region, what the law of the Canadian settler state does when it is faced with interruptions and ruptures in its timescape. Drawing on Fitzpatrick’s seminal work, The Mythology of Modern Law, I argue that a conceptualisation of law’s behaviour in these contexts as functionally mythological highlights some of the elusive ways that settler law maintains a stranglehold over legal imaginaries of oil and gas developments: by distorting and flattening the pasts and presents of Indigenous societies that pre-dated (and continue to co-exist with) the settler state on ‘Canadian’ land, by mediating between the ‘origin’ of the settler state and the daily rhythms of colonial time through ‘Eternal Objects’ such as property and economic development, and by asserting a general ‘objectivity’ of law to evade any direct grappling with the stark possibilities of the ‘end of the world’ created by the climate crisis. I conclude, drawing on Indigenous scholarship and the work of de Goede and Randalls, that a meaningful response to the climate crisis requires re-enchanted attachments to life that necessitate a departure from the one-dimensional temporality of the mythologies of settler law.
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