sustainable energy through research

Ngày tải lên: 05/09/2013, 14:58

... context, efficient use of energy is a necessary condition for sustainable development. The debate on energy for sustainable development is integral to the linkages between sustainable development ... www.hsrcpress.ac.za 15 Introduction Energy, sustainable development and climate change in South Africa Making energy supply and use more sustainable is a central challenge in South Africa’s future development path. Energy ... Introduction 15 Energy, sustainable development and climate change in South Africa 15 Outline of the book 18 2 Sustainable development, energy and climate change 19 Working definition of sustainable...

Ngày tải lên: 06/03/2014, 04:20

Ngày tải lên: 08/03/2014, 13:20

Ngày tải lên: 18/03/2014, 15:22

... of energy directly into the other. Converting chemical energy into electrical energy always wastes energy, and so does converting electrical into chemical energy. Physics and eq u ations Throughout ... physics behind energy consumption and energy production can we assess assertions such as “cars waste 99% of the energy they consume; we could redesign cars so that they use 100 times less energy. ” ... The one thing I am sure of is that the answers to our sustainable energy questions will involve numbers; any sane discussion of sustainable energy requires numbers. This book’s got ’em, and it...

Ngày tải lên: 22/03/2014, 22:20

... barriers to sustainable consumption. Hence, fostering sustainable consumption through marketing can be a key part of the solution to today’s environmental and social dilemmas. To foster sustainable ... detailed picture of what sustainable consumption can be is presented in UNEP/UNESCO youthXchange toolkit 12 . Sustainable production, sustainable service and pro- duct design, sustainable procurement, ... and/or social value added on the mar- ket. Social marketing helps foster sustainable behaviors. Sustainable consumption Sustainable consumption is defined as “The use of servi- ces and related...

Ngày tải lên: 23/03/2014, 04:21

... lot of people. We hear about sustainable development, sustainable growth, sustainable economies, sustainable societies, and sustainable agriculture. Everything is sustainable (Temple, 1992).” The ... limits and common values (Symposium on Sustainable Consumption, Oslo, 1994; UN Commission on Sustainable Development (UNCSD). The World Business Council for Sustainable Development (WBCSD’ 2008) ... (Ott, K.2003). The United Nations Division for Sustainable Development lists the following areas as coming within the scope of sustainable development: Sustainable development is an eclectic concept,...

Ngày tải lên: 23/03/2014, 10:20

... unit consume energy and that the only supply of energy comes from the nodes’ energy harvesters. It is therefore a delicate matter to design an energy- aware routing algorithm because a risk is that the energy ... administrative issue compared to the harvested energy and the energy used for transmitting sensor-observations from the nodes to the base station. 6 Sustainable Energy Harvesting Technologies – Past, ... for sustainable energy harvesting technologies to complement their technologies. This is based on the fact that energy harvesting is a technology that harvests freely available renewable energy...

Ngày tải lên: 19/06/2014, 08:20

... distance: d energy deficit: energyToDist(e) energy- faithful adjustment: f Fig. 8. A with consistent nodes using energy- faithful adjustments The physical state comprises: • The stored energy e ∈ Energy. • ... Energy Harvesting Aware Wireless Sensor Networks Sustainable Energy Harvesting Technologies – Past, Present and Future 26 linear energy harvesters. A generic model for linear vibration energy ... where ComputationalState = R ≥0 × Energy ×R ≥0 × (Id → AbstractState ) We shall assume that there is a function energyToDist : Energy →R ≥0 that converts energy to a distance so that less energy means longer...

Ngày tải lên: 19/06/2014, 08:20

... structures. 3. Energy harvesting from human movement The human body contains huge amount of energy. The kinetic energy from human movement can be harvested and converted to electrical energy. The ... and researches in this area have drawn more attention (Romero et al., 2009). So far, two common types of human energy harvesters are energy harvesting shoes and backpacks. 3.1 Shoes Energy ... studied energy harvesters mounted on sneakers that generated electrical energy from the pressure on the shoe sole. Output power of three types of energy harvesters was reported. The first energy...

Ngày tải lên: 19/06/2014, 08:20

... electrical energy conversion principle. Input mechanical energy Mechanical coupling Generated mechanical energy Efficiency of Energy conversion Available electrical energy Load energy Mechanical ... Kinetic/vibrational energy harvesting Kinetic energy is the energy associated with the motion of an object. This includes vibrational motion, rotational motion and translational motion. The kinetic energy ... oscillation of the external force. Sustainable Energy Harvesting Technologies – Past, Present and Future 50 Barrero-Gil, A.; Alonso, G. & Sanz-Andres, A. (2010). Energy harvesting from transverse...

Ngày tải lên: 19/06/2014, 08:20

... the optimum load resistance which ensures maximum generated electrical power namely, Sustainable Energy Harvesting Technologies – Past, Present and Future 84 parameters of macro generators ... damping factor vs load resistance. For Qoc=10000, the maximum power is generated and Sustainable Energy Harvesting Technologies – Past, Present and Future 88 damping is present but it ... estimated parasitic and electromagnetic damping of generator-C for 0.1g acceleration. Sustainable Energy Harvesting Technologies – Past, Present and Future 72 c p l R D dx d N R −= 22 )( φ ...

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20