Showing 11 - 20 of 29
The depletion of the world's limited reservoirs of fossil fuels, the worldwide impact of global warming and the high cost of energy are among the primary issues driving a renewed interest in the capture and reuse of waste energy. A major source of waste energy is being created by data centers...
Persistent link: https://www.econbiz.de/10010744054
Thermophotovoltaic (TPV) cells can convert infrared radiation into electricity. They open up possibilities for silent and stand-alone power production in fuel-fired heating equipment. Similarly, thermoelectric (TE) devices convert thermal energy directly into electricity with no moving parts....
Persistent link: https://www.econbiz.de/10010571970
Based on Fourier’s law and the Seebeck effect, this paper presents a mathematical model of a Thermoelectric Generator (TEG) device using the exhaust gas of vehicles as heat source. The model simulates the impact of relevant factors, including vehicles exhaust mass flow rate, temperature and...
Persistent link: https://www.econbiz.de/10010702605
Interest in micro-combined heat and power (micro-CHP) for residential homes is growing. Stirling engines, internal combustion engines and organic Rankine cycles (ORC) could be applied for micro-CHP. However, the electrical efficiency of these micro-CHP systems is relatively low. The present...
Persistent link: https://www.econbiz.de/10010702720
A thermopile sensor composed of 196 pairs of p–n thin film legs was processed on a glass substrate by using successive electrodeposition of the n-type Bi–Te and the p-type Sb–Te thin films. The 5.3-μm thick Bi–Te film, electrodeposited at a constant voltage of -50 mV in the 50-mM...
Persistent link: https://www.econbiz.de/10008799821
Mg2X (X = Si, Sn) thermoelectric materials are promising materials for converting solar-thermal energy to electricity. To investigate the effects of non-stoichiometric compositions and Ag-doping on the thermoelectric properties of Mg2Sn, Mg2Sn thermoelectric materials were synthesized via...
Persistent link: https://www.econbiz.de/10011045054
Molten slags represent one of the largest untapped energy sources in metal manufacturing operations. The waste heat of slags amounting to ∼220 TWh/year at temperatures in the range of 1200–1600 °C, presents an opportunity to lower the energy intensity of metal production. Currently, three...
Persistent link: https://www.econbiz.de/10011052993
This study presents a methodology to quantify the economic impact of condenser fouling on the performance of thermoelectric power plants. Various contributing factors are investigated, including fouling rate, plant load, cooling water inlet temperature and condenser cleaning. Analyses of...
Persistent link: https://www.econbiz.de/10011053499
Focusing on the low recycling rate of low temperature waste heat in China's iron and steel industry, this study presented a technical solution recycling blast furnace slag flashing water sensible heat based on thermoelectric power generation. The physical and numerical models are established....
Persistent link: https://www.econbiz.de/10011054443
The present work considers energy harvesting by implementing both thermo- and piezo-electric power generation modules on a bifurcating tube, which produces dual-temperature thermoacoustic oscillations. The present system distinguished from the conventional standing-wave one does not involve heat...
Persistent link: https://www.econbiz.de/10011055198