A micro-turbine-generator-construction-kit (MTG-c-kit) for small-scale waste heat recovery ORC-Plants

被引：26
|
作者：
Weiss, A. P. [1 ]
Popp, T. [1 ]
Zinn, G. [2 ]
Preissinger, M. [3 ,4 ]
Brueggemann, D. [4 ]
机构：
[1] Tech Univ Appl Sci, OTH Amberg Weiden, Ctr Excellence Cogenerat Technol, Kaiser Wilhelm Ring 23, D-92224 Amberg, Germany
[2] DEPRAG SCHULZ GMBH U CO, Carl Schulz Pl 1, D-92224 Amberg, Germany
[3] Vorarlberg Univ Appl Sci, Energy Res Ctr, Illwerke Vkw Professorship Energy Efficiency, A-6850 Dornbirn, Austria
[4] Univ Bayreuth, Ctr Energy Technol, Chair Engn Thermodynam & Transport Proc, Univ Str 30, D-95447 Bayreuth, Germany
来源：
ENERGY | 2019年 / 181卷
关键词：
Organic rankine cycle (ORC); Turbine; Experimental; Waste heat recovery; RANKINE; EXPANDER;
D O I：
10.1016/j.energy.2019.05.135
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Experimentally determined efficiency characteristics of two micro turbines are discussed in this paper. One turbine (15 kW) is working with cyclopentane, the other turbine (12 kW) expands hexamethyldisiloxane (MM). The two turbines are designed and built in accordance to the concept of a micro-turbine generator -construction-kit (MTG-c-kit) for small-scale Organic Rankine Cycle (ORC) waste heat recovery. The motivation for this MTG-c-kit and its architecture will be briefly introduced. Both single stage impulse turbines show a high design point total-to-static isentropic efficiency: the 15 kW cyclopentane turbine achieves 65.0%, the 12 kW hexamethylidisiloxane turbine achieves even 73.4%. Furthermore, the discussed off-design characteristics of the turbines prove that their operating behavior is very advantageous for small waste heat recovery plants- the turbine efficiency keeps a high level over a wide range of pressure ratio and rotational speed. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：51 / 55
页数：5
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