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- Title
Research on TEG–ORC Combined Bottom Cycle for Cascade Recovery from Various Vessel Waste heat Sources.
- Authors
Ye, Wenxiang; Liu, Changxin; Liu, Jianhao; Wang, Huibin; Yang, Shuojia; Pan, Xinxiang
- Abstract
Traditional technologies such as thermoelectric power generation (TEG) and organic Rankine cycle (ORC) are difficult to consider the multiple characteristics of various vessel waste heat, and the utilization rate is low. This paper presents a combination of TEG–ORC bottom cycles sources and studies the influence of the ORC evaporation pressure on the system output power, thermal efficiency, multi-stage waste heat utilization, and power generation cost. According to the utilization of flue gas waste heat by the two different cycles, the parameter of TEG–ORC cycle ratio is defined. The results show that the TEG–ORC combined bottom cycle system can make better use of the waste heat of various vessels as well as that cooling and heat dissipation of TEG cycle, improves the overall performance of waste heat utilization and output power. When the ORC evaporation pressure reaches the maximum examined value of 0.9 MPa, the waste heat utilization rate of the main engine flue gas is 62.15%, the waste heat recovery power was 1919.68 W, the total output power of the experimental system is 139.22 W, the thermal efficiency is 7.25%, and the power generation cost is 0.429 $/kWh.
- Subjects
WASTE heat; HEAT recovery; RANKINE cycle; COMBINED cycle (Engines); WASTE recycling; THERMOELECTRIC power; WASTE gases; FLUE gases
- Publication
Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ), 2022, Vol 47, Issue 3, p3151
- ISSN
2193-567X
- Publication type
Article
- DOI
10.1007/s13369-021-06050-3