Thermoelectric (TE) materials are a kind of energy material which can directly convert waste heat into electricity based on TE effects. Ternary Cu2SnSe3 material with diamond-like structure has become one of the potential TE materials due to its low thermal conductivity and adjustable electrical conductivity. In this study, the Cu2SnSe3 powder was prepared by vacuum melting-quenching-annealing-...

Thin films of Ge23Sb7S70 glass were prepared by thermal evaporation (TE) and pulsed laser deposition (PLD) techniques. We measured their thermal, optical and structural properties and compared with those of the parent bulk. The probe penetration temperature (Tp) of the bulk glass, measured using a micro-thermal analyzer, was found to be 412 ± 10 C, while those of the TE and PLD films were 468 a...

This paper aims at estimating the efficiency of hydroelectric power plants (renewable energy resources) and thermal power plant (non-renewable energy resources) in Iranian provinces. Data Envelopment Analysis (DEA) approaches is applied to estimate the efficiency. The network is modeled as a linear system with multiple inputs and one output. Fuel cost, labor force, operation cost are used as in...

Submitted for the DPP15 Meeting of The American Physical Society Physics and Engineering Design of the ITER Electron Cyclotron Emission Diagnostic1 W.L. ROWAN, M.E. AUSTIN, S. HOUSHMANDYAR, P.E. PHILLIPS, IFS, The University of Texas at Austin, J.H. BENO, A. OUROUA, D.A. WEEKS, CEM, The University of Texas at Austin, A.E. HUBBARD, J.A. STILLERMAN, MIT-PSFC, R.E. FEDER, A. KHODAK, G. TAYLOR, PPP...

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Thermoelectric (TE) materials can be used in the conversion of heat to electricity and vice versa, which enhance efficiency fuel, addition supplying solid alternative energy several applications accumulating waste and, as a result, help find new sources. Considering current environment well crisis, TE modules are need future. The present review focuses on strategies approaches achieve high-perf...

Bismuth telluride (Bi(2)Te(3)) and its alloys are the best bulk thermoelectric materials known today. In addition, stacked quasi-two-dimensional (2D) layers of Bi(2)Te(3) were recently identified as promising topological insulators. In this Letter we describe a method for "graphene-inspired" exfoliation of crystalline bismuth telluride films with a thickness of a few atoms. The atomically thin ...

Due to the condition of the original material, there are unavoidable flaws in this reproduction. We have made every effort possible to provide you with the best copy available. Abstract In recent years, extensive efforts have been devoted to searching for materials with high thermoelectric (TE) efficiency above room temperature for converting heat into electricity. These efforts have led to sig...

heat and mass transfer, in this paper, is considered in one-row heat exchanger, that fins are hotter than air flow and water is added to fins. related governing equations are derived by analyzing a two-dimension model in a unique cell of a heat exchange. these equations are numerically solved by finite difference method. heat transfer and efficiency under partially wet surface are calculated by...