1,473 research outputs found

    Home: The importance of place to the dispossessed

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    Creating Conflict: Case Studies in the Tension Between native Title Claims and Land Rights Claims

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    A land rights claim was placed on a particular parcel of land, including a small river. A successful claim will mean that the land is granted to the local Aboriginal land council (LALC). Membership of the LALC is based on an Aboriginal person's residence within the boundary of the LALC, or alternatively, based on that person's association with that area. Traditional connection to the land within the boundaries of the LALC is not required for membership. In this scenario, imagine that the majority of the membership of the LALC consists of Aboriginal people who do not have a traditional association ith the parcel of land

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    The life cycle of starbursting circumnuclear gas discs

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    High-resolution observations from the sub-mm to the optical wavelength regime resolve the central few 100pc region of nearby galaxies in great detail. They reveal a large diversity of features: thick gas and stellar discs, nuclear starbursts, in- and outflows, central activity, jet interaction, etc. Concentrating on the role circumnuclear discs play in the life cycles of galactic nuclei, we employ 3D adaptive mesh refinement hydrodynamical simulations with the RAMSES code to self-consistently trace the evolution from a quasi-stable gas disc, undergoing gravitational (Toomre) instability, the formation of clumps and stars and the disc's subsequent, partial dispersal via stellar feedback. Our approach builds upon the observational finding that many nearby Seyfert galaxies have undergone intense nuclear starbursts in their recent past and in many nearby sources star formation is concentrated in a handful of clumps on a few 100pc distant from the galactic centre. We show that such observations can be understood as the result of gravitational instabilities in dense circumnuclear discs. By comparing these simulations to available integral field unit observations of a sample of nearby galactic nuclei, we find consistent gas and stellar masses, kinematics, star formation and outflow properties. Important ingredients in the simulations are the self-consistent treatment of star formation and the dynamical evolution of the stellar distribution as well as the modelling of a delay time distribution for the supernova feedback. The knowledge of the resulting simulated density structure and kinematics on pc scale is vital for understanding inflow and feedback processes towards galactic scales.Comment: accepted by MNRA

    The weaving power of Indigenous storytelling — personal reflections on the impact of COVID-19 and the response of Indigenous communities

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    The academy has always been a complex place for Indigenous scholars. In first entering as students and graduates in the mid-1960s, the growing number of those choosing an academic pathway and career is slowly, yet fundamentally, altering the way research is undertaken and teaching and learning is done. From seeking to find spaces within the Western disciplines with a goal of “Indigenising” the curriculum and through modules on “Indigenous studies,” there is a growing move towards the inclusion of traditional knowledges, not just as a way to fit in with Western sciences, but as a knowledge system in their own right. Research projects in the Indigenous space have moved from being “about Indigenous people” to working towards the concept of “Indigenous led-research.” Ethics processes and protocols have reflected these shifts. The privileging and valuing of the knowledge of Indigenous Elders and consideration of how Indigenous Cultural Intellectual Property (ICIP) will be treated are now central to framing research questions and methodologies

    Turbulent flame shape switching at conditions relevant for gas turbines

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    Abstract A numerical investigation is conducted in this work to shed light on the reasons leading to different flame configurations in gas turbine combustion chambers of aeronautical interest. Large eddy simulations (LES) with a flamelet-based combustion closure are employed for this purpose to simulate the DLR-AT Big Optical Single Sector (BOSS) rig fitted with a Rolls-Royce developmental lean burn injector. The reacting flow field downstream this injector is sensitive to the intricate turbulent-combustion interaction and exhibits two different configurations: (i) a penetrating central jet leading to an M-shape lifted flame; or (ii) a diverging jet leading to a V-shaped flame. First, the LES results are validated using available BOSS rig measurements, and comparisons show that the numerical approach used is consistent and works well. The turbulent-combustion interaction model terms and parameters are then varied systematically to assess the flame behavior. The influences observed are discussed in the paper from physical and modelling perspectives to develop physical understanding on the flame behavior in practical combustors for both scientific and design purposes.Clean Sky 2 Joint Undertaking under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 686332

    “We’re Not Being Treated Like Mothers”: Listening to the Stories of First Nations Mothers in Prison

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    This article is based on research with over 160 First Nations women in prisons in New South Wales, Australia. The research identified the lived experience of prison sentences for First Nations women in prison. Our research methodology was guided by an Aboriginal women’s advisory body called sista2sista. It was based on the principles of Dadirri in which we listened to the stories of First Nations women in prison on their terms. Consequently, many stories we heard were not about the criminal sentencing process itself, but about the impacts of imprisonment on their capacity to be caregivers in the community, including as mothers, grandmothers, aunts, sisters, teachers and role models. The findings from this research are dual. First, the importance of listening to and empowering First Nations women in prison in policy making that concerns First Nations women. Second, the need to decarcerate First Nations mothers and listen and respond to their needs, expectations, priorities and aspirations, to ensure they are supported in fulfilling their role and responsibility to care, nurture, strengthen and lead their families and communities.</jats:p

    AISNSW Pilot Prpject: Improving Outcomes for Aboriginal and Torres Strait Islander Students - Final Evaluation Report March 2019

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    Final evaluation report of phase 1 of a pilot project funded through AISNSW to improve outcomes for Indigenous students and their families in four NSW school
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