Waste Heat to Power: Technologies, Current Applications, and Future Potential

被引:49
作者
Garofalo, Erik [1 ,2 ]
Bevione, Matteo [1 ]
Cecchini, Luca [1 ,2 ,3 ]
Mattiussi, Fabio [1 ,2 ,4 ]
Chiolerio, Alessandro [1 ]
机构
[1] Ist Italiano Tecnol, Ctr Sustainable Future Technol, Via Livorno 60, I-10144 Turin, Italy
[2] Politecn Torino, Dept Elect & Telecommun, Corso Duca Abruzzi 24, I-10129 Turin, Italy
[3] Scuola Super Sant Anna, Piazza Martiri Liberta 33, I-56127 Pisa, Italy
[4] SPEA SpA, Via Torino 16, I-10088 Volpiano, TO, Italy
关键词
Kalina cycle; organic Rankine cycle; thermoelectric devices; waste heat recoveries; waste heat to power; ORGANIC RANKINE-CYCLE; THERMOELECTRIC GENERATOR; KALINA CYCLE; PYROELECTRIC NANOGENERATOR; THERMODYNAMIC ANALYSIS; RECOVERY SYSTEM; EXERGY ANALYSIS; BRAYTON CYCLE; ENERGY; ENGINE;
D O I
10.1002/ente.202000413
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Energy consumption, environmental impact, and sustainability have risen fast through the ranks, achieving the first places in driving investments, policies, and concerns of all countries at any developmental stage. Energy transformation, though, must cope with nonunitary efficiency of devices and processes, which results in a distributed production of waste heat. A reduction of emissions, implying a conversion of waste heat to more noble forms of energy and a concurrent increase in efficiency of the same devices and processes, is of paramount importance. In view of the enthalpy content and distribution of the different sources of waste heat, low-grade/low-enthalpy sources below 200 degrees C are considered the most fertile field for research and development, with an impressive industrial growth rate. Thermodynamic cycles and thermal conversion devices based on the most relevant physical effects are herein introduced and briefly described, including both solutions that already achieved industrial maturity and less developed systems and devices whose study is still in progress. A specific focus on three application domains, selected due to their economic relevance, is done: industrial processes for the vast energy and capital availability, automotive sector for its permeation, and wearable devices for the market size. Limits and opportunities are critically discussed.
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页数:22
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