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Articles 1 - 30 of 394
Full-Text Articles in Physical Sciences and Mathematics
Optimal Allocation Of Distributed Reactive Power Resources Under Network Constraints For System Loss Minimization, L Meegahapola, S Abbott, D Morrow, T Littler, D Flynn
Optimal Allocation Of Distributed Reactive Power Resources Under Network Constraints For System Loss Minimization, L Meegahapola, S Abbott, D Morrow, T Littler, D Flynn
Dr Lasantha G Meegahapola
Abstract-Reactive power control is an important control issue for distribution system operators due to increased penetration of distributed generation. The work presented in this paper utilizes the inherent reactive power capability of the doubly-fed induction generator (DFIG) based wind farms to optimize the system losses while considering the network constraints in the system. The IEEE-30 bus system was modified by installing DFIG based wind farms in the medium voltage (MV) region creating three wind clusters in the network. The steady-state analysis was conducted to illustrate the loss minimization capability of the DFIG based wind farms under different reactive power configurations. …
Frequency Dynamics During High Ccgt And Wind Penetrations, Lasantha Meegahapola, Damian Flynn
Frequency Dynamics During High Ccgt And Wind Penetrations, Lasantha Meegahapola, Damian Flynn
Dr Lasantha G Meegahapola
Frequency stability is the paramount concern for secure and reliable operation of a power system. High wind penetration levels are reported in power systems with high thermal generation, and hence its likely to result high wind and combined-cycle gas turbine (CCGT) penetrations during system operation since CCGTs are the most preferable choice for the thermal generation. The doubly-fed induction generators (DFIGs) do not provide any inertial response while the CCGTs have unique frequency response during the system frequency disturbances. Therefore, CCGT turbine response characteristics and the zero inertial response may influence on frequency dynamics of a power network. The main …
A Genetic Algorithm Based Approach To Lv Radial Distribution Feeders Load Reconfiguration, Geeth Jayendra, Sisil Kumarawadu, Lasantha Meegahapola
A Genetic Algorithm Based Approach To Lv Radial Distribution Feeders Load Reconfiguration, Geeth Jayendra, Sisil Kumarawadu, Lasantha Meegahapola
Dr Lasantha G Meegahapola
No abstract provided.
Giant Interlayer Magnetoresistances And Strong Anisotropy In P-Type Sb2te3 Single Crystals, Zengji Yue, Xiaolin Wang, S Dou
Giant Interlayer Magnetoresistances And Strong Anisotropy In P-Type Sb2te3 Single Crystals, Zengji Yue, Xiaolin Wang, S Dou
Zengji Yue
Anisotropic interlayer magneto-transport properties have been studied over a broad range of temperatures and magnetic fields in p-type Sb2Te3 single crystals. Giant interlayer magnetoresistance (MR) of up to 400% was observed, which exhibits quadratic field dependences in low fields and becomes linear at high fields without any trend towards saturation. The interlayer MR displays strong anisotropy and is attributable to the anisotropy of the Fermi surface. The observed giant anisotropic interlayer MR could find applications in p-type Sb2Te3 based magneto-electronic devices.
Waste Management And Water Quality Issues In Coastal States Of Nigeria: The Ogun State Experience, Solomon Isiorho
Waste Management And Water Quality Issues In Coastal States Of Nigeria: The Ogun State Experience, Solomon Isiorho
S Isiorho
Waste dumping and inadequate waste management efforts are having adverse impact on the environment and humans in Nigerian coastal cities. Nine of the 36 states in Nigeria border the Atlantic Ocean. Twenty-five percent of the Nigerian population is found in the coastal states. These states, with the exception of Lagos, Ogun and Ondo, are more prone to petrochemical waste arising from petroleum exploration. Filed investigations, surveys and literature searches were conducted in order to accomplish the task of this research. Field studies included testing for dissolved oxygen, biological oxygen demand, nitrates, phosphates, total solids and pH.
Undergrduates Conference Attendance, A Win-Win Situation For Students And Their Home Institution, Solomon Isiorho
Undergrduates Conference Attendance, A Win-Win Situation For Students And Their Home Institution, Solomon Isiorho
S Isiorho
No abstract provided.
Upward Bound Program And Inquiry-Based Activities In Wetland Settings., Solomon Isiorho
Upward Bound Program And Inquiry-Based Activities In Wetland Settings., Solomon Isiorho
S Isiorho
No abstract provided.
Wetlands, Solomon Isiorho
Water Quality Assessment Of A Mid-West City Water Distribution System, Solomon Isiorho, A Morse, N Flores
Water Quality Assessment Of A Mid-West City Water Distribution System, Solomon Isiorho, A Morse, N Flores
S Isiorho
No abstract provided.
When A Professor Becomes A Student Again!", Solomon Isiorho
When A Professor Becomes A Student Again!", Solomon Isiorho
S Isiorho
No abstract provided.
The Chair As A Leader Based On: "Managing People: A Guide For Department Chairs And Deans.", Solomon Isiorho
The Chair As A Leader Based On: "Managing People: A Guide For Department Chairs And Deans.", Solomon Isiorho
S Isiorho
No abstract provided.
Groundwater, Solomon Isiorho
Sahel Drought, Solomon Isiorho
Application Of Hydrogeologic Settings In Groundwater Vulnerability Mapping In Lagrange County, Indiana, Solomon Isiorho
Application Of Hydrogeologic Settings In Groundwater Vulnerability Mapping In Lagrange County, Indiana, Solomon Isiorho
S Isiorho
No abstract provided.
A Five-Year Well Data, What Can It Tell Us?, Solomon Isiorho, A Morse
A Five-Year Well Data, What Can It Tell Us?, Solomon Isiorho, A Morse
S Isiorho
No abstract provided.
Flood Plains, Solomon Isiorho
Digital Images: They're Not Just For Viewing, Lori Ziegelmeier
Digital Images: They're Not Just For Viewing, Lori Ziegelmeier
Lori Beth Ziegelmeier
No abstract provided.
Climate Change And Household Dynamics: Beyond Consumption, Unbounding Sustainability, Chris Gibson, Lesley Head, Nicholas Gill, Gordon Waitt
Climate Change And Household Dynamics: Beyond Consumption, Unbounding Sustainability, Chris Gibson, Lesley Head, Nicholas Gill, Gordon Waitt
Chris Gibson
No abstract provided.
Nitmiluk: Place, Politics And Empowerment In Australian Aboriginal Popular Music, Chris Gibson, Peter Dunbar-Hall
Nitmiluk: Place, Politics And Empowerment In Australian Aboriginal Popular Music, Chris Gibson, Peter Dunbar-Hall
Chris Gibson
No abstract provided.
Drunken Mobilities: Backpackers, Alcohol, 'Doing Place', Mark Jayne, Chris Gibson, Gordon Waitt, Gill Valentine
Drunken Mobilities: Backpackers, Alcohol, 'Doing Place', Mark Jayne, Chris Gibson, Gordon Waitt, Gill Valentine
Chris Gibson
This article seeks to advance the understanding of the role of alcohol, drinking and drunkenness as an important, if under-researched, element of tourism. In so doing, we work at the intersection of three bodies of writing focused on mundane mobilities; performativities of tourism and geographies of alcohol, drinking and drunkenness. Drawing on empirical research undertaken in Australia, we highlight how alcohol, drinking and drunkenness are key to backpacking holidays: first, to help soften a number of (un)comfortable embodied and emotional materialities associated with budget travel; second, as an aid to spatial and temporal imperatives of ‘passing the time’ and ‘being …
Blue-Collar Creativity: Reframing Custom-Car Culture In The Imperilled Industrial City, Andrew Warren, Chris Gibson
Blue-Collar Creativity: Reframing Custom-Car Culture In The Imperilled Industrial City, Andrew Warren, Chris Gibson
Chris Gibson
This paper hitches a ride with young car enthusiasts to explore how their vehicles catalyse a unique form of vernacular creativity, in a seemingly imperilled industrial city setting.While television and print media regularly demonise young drivers for street racing and `hoon' behaviour, this paper purposely adopts a different perspective, on circuits of production and qualitative aspects of the urban custom-car design scene that constitute forms of vernacular creativity. Beyond moral panics little is known about movements, networks, and linkages between custom cars, young enthusiasts, and urban spaces from which their activities emerge. Utilising responsive, in-depth ethnographic methods in Wollongong, Australia, …
Gis, Ethnography, And Cultural Research: Putting Maps Back Into Ethnographic Mapping, Christopher Brennan-Horley, Susan Luckman, Christopher Gibson, Julie Willoughby-Smith
Gis, Ethnography, And Cultural Research: Putting Maps Back Into Ethnographic Mapping, Christopher Brennan-Horley, Susan Luckman, Christopher Gibson, Julie Willoughby-Smith
Chris Gibson
No abstract provided.
Geographic Information Technologies For Cultural Research: Cultural Mapping And The Prospects Of Colliding Epistemologies, Christopher Gibson, Christopher Brennan-Horley, Andrew Warren
Geographic Information Technologies For Cultural Research: Cultural Mapping And The Prospects Of Colliding Epistemologies, Christopher Gibson, Christopher Brennan-Horley, Andrew Warren
Chris Gibson
No abstract provided.
Sustainable Household Capability: Which Households Are Doing The Work Of Environmental Sustainability?, Gordon Waitt, Peter Caputi, Chris Gibson, Carol Farbotko, Lesley Head, Nick Gill, Elyse Stanes
Sustainable Household Capability: Which Households Are Doing The Work Of Environmental Sustainability?, Gordon Waitt, Peter Caputi, Chris Gibson, Carol Farbotko, Lesley Head, Nick Gill, Elyse Stanes
Chris Gibson
This paper presents a framework for analysing which households are doing ‘their bit’ for sustainability in an era of climate change, using a two-stage cluster analysis of sustainable household capabilities. The framework segments households by their reported level of commitment to ‘pro-sustainability’ practices common to conventional government policies. Results are presented from a large-scale survey of Wollongong households, New South Wales, Australia. Results illustrate the importance of approaching household sustainability through everyday practices. Attention is drawn to the wide variation in participation in specific household sustainability practices. Investigation into sustainable household capability by household segments shows the limits of even …
Cultural Festivals And Economic Development In Nonmetropolitan Australia, Chris Gibson, Gordon Waitt, Jim Walmsley, John Connell
Cultural Festivals And Economic Development In Nonmetropolitan Australia, Chris Gibson, Gordon Waitt, Jim Walmsley, John Connell
Chris Gibson
No abstract provided.
Bodily Rhythms: Corporeal Capacities To Engage With Festival Spaces, Michelle Duffy, Gordon Waitt, Andrew Gorman-Murray, Chris Gibson
Bodily Rhythms: Corporeal Capacities To Engage With Festival Spaces, Michelle Duffy, Gordon Waitt, Andrew Gorman-Murray, Chris Gibson
Chris Gibson
No abstract provided.
Is Green The New Black? Exploring Ethical Fashion Consumption, Chris Gibson, Elyse Stanes
Is Green The New Black? Exploring Ethical Fashion Consumption, Chris Gibson, Elyse Stanes
Chris Gibson
No abstract provided.
Youthful Creativity In Regional Australia: Panacea For Unemployment And Out-Migration?, Chris Gibson
Youthful Creativity In Regional Australia: Panacea For Unemployment And Out-Migration?, Chris Gibson
Chris Gibson
No abstract provided.
Environmental Sustainability In Practice? A Macro-Scale Profile Of Tourist Accommodation Facilities In Australia's Coastal Zone, Karen Mcnamara, Chris Gibson
Environmental Sustainability In Practice? A Macro-Scale Profile Of Tourist Accommodation Facilities In Australia's Coastal Zone, Karen Mcnamara, Chris Gibson
Chris Gibson
No abstract provided.
Creativity Without Borders? Rethinking Remoteness And Proximity, Chris Gibson, Susan Luckman, Julie Willoughby-Smith
Creativity Without Borders? Rethinking Remoteness And Proximity, Chris Gibson, Susan Luckman, Julie Willoughby-Smith
Chris Gibson
No abstract provided.