Design and performance measurements of an organic vapour turbine

Klonowicz, Piotr; Borsukiewicz-Gozdur, A.; Hanausek, Paweł; Kryłłowicz, W.; Brüggemann, Dieter

doi:10.1016/j.applthermaleng.2013.11.018

Cited by 46 publications

(17 citation statements)

References 14 publications

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“…Next to volumetric expanders, turbomachines are commonly applied in medium-to large-scale and frequently discussed for smallscale applications. Brasz et al [34,35] investigated radial turbines, while Klonowicz et al [36,37] studied hermetically sealed turbo-generator-units. It is obvious from these results that the approach of modular ORC units which can serve a broad range of heat source temperature and thermal capacity is highly relevant for market penetration of ORC in the field of industrial waste heat recovery.…”

Section: Organic Raninke Cyclementioning

confidence: 99%

“…Next to volumetric expanders, turbomachines are commonly applied in medium-to large-scale and frequently discussed for small-scale applications. Brasz et al [34,35] investigated radial turbines, while Klonowicz et al [36,37] studied hermetically sealed turbo-generator-units. To increase the efficiency of ORC units compared to the basic configuration, approaches with and without additional components have to be distinguished.…”

Section: Organic Raninke Cyclementioning

confidence: 99%

See 1 more Smart Citation

Thermoeconomic Evaluation of Modular Organic Rankine Cycles for Waste Heat Recovery over a Broad Range of Heat Source Temperatures and Capacities

Preißinger

Brüggemann

2017

Energies

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Industrial waste heat recovery by means of an Organic Rankine Cycle (ORC) can contribute to the reduction of CO 2 emissions from industries. Before market penetration, high efficiency modular concepts have to be developed to achieve appropriate economic value for industrial decision makers. This paper aims to investigate modularly designed ORC systems from a thermoeconomic point of view. The main goal is a recommendation for a suitable chemical class of working fluids, preferable ORC design and a range of heat source temperatures and thermal capacities in which modular ORCs can be economically feasible. For this purpose, a thermoeconomic model has been developed which is based on size and complexity parameters of the ORC components. Special emphasis has been laid on the turbine model. The paper reveals that alkylbenzenes lead to higher exergetic efficiencies compared to alkanes and siloxanes. However, based on the thermoeconomic model, the payback periods of the chemical classes are almost identical. With the ORC design, the developed model and the boundary conditions of this study, hexamethyldisiloxane is a suitable working fluid and leads to a payback period of less than 5 years for a heat source temperature of 400 to 600 • C and a mass flow rate of the gaseous waste heat stream of more than 4 kg/s.

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Section: Organic Raninke Cyclementioning

confidence: 99%

Section: Organic Raninke Cyclementioning

confidence: 99%

Thermoeconomic Evaluation of Modular Organic Rankine Cycles for Waste Heat Recovery over a Broad Range of Heat Source Temperatures and Capacities

Preißinger

Brüggemann

2017

Energies

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“…Głównym tematem badań różnego typu ekspanderów jest poprawa ich sprawności. Prace w tym zakresie są prowadzone zarówno na drodze badań eksperymentalnych [3][4][5] jak i obliczeń numerycznych [6][7][8]. Prace nad ekspanderami są prowadzone również w IMP PAN w Gdańsku.…”

Section: Wprowadzenieunclassified

Design and experimental investigation of the cogenerative domestic micro power plant with ORC system

Żywica¹,

Kiciński²,

Kaczmarczyk³

et al. 2015

Mechanik

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“…Organic fluids are always isentropic or dry; these fluids have better thermal properties in waste heat recovery systems than wet fluids like water [6]. In the past, researchers have used refrigerants including HFE7000 [11], HFE7100 [12], R227ea [13], R245fa [6,14], and R134a [15] with the ORC thermal efficiency ranging from 3.8% to 12.9%. Most of the working fluids are expensive and also have certain environmental drawbacks.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, several ORC suppliers are investigating the use of naturally occurring substances such as hydrocarbons, NH 3 , and CO 2 [16]. In published literature, ORC researches have largely focused on the operating fluid performance analysis [6,[11][12][13][14][15][17][18][19][20][21]; there is a lack of research on the geometric specifications of heat exchangers and heat transfer analysis (only a few studies exist such as Jung and Krumdieck [22] and Hossain and Bari [23]). Since a waste heat exchanger (WHE) is one of the key components in waste heat recovery, the present study performs heat transfer analysis of a simple counterflow WHE that could provide significant information for the development of 3 kW-ORC waste heat recovery system from the exhaust gas of ICE using ammonia as an organic operating fluid.…”

Section: Introductionmentioning

confidence: 99%

Numerical Heat Transfer Analysis of Waste Heat Exchanger for Exhaust Gas Energy Recovery

2015

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Waste heat is heat that is usually thrown into the environment even though it could still be reused for some useful and economic purpose. For example, any exhaust gas stream with a temperature of above 80°C has the potential for significant waste heat recovery. Therefore, an attempt to reuse the exhaust waste energy to transfer the energy to any energy cycle is a worthwhile effort. In the present study, the waste energy from the exhaust gas of an internal combustion engine is recovered by converting it to ammonia (NH 3) as an organic operating fluid in the Organic Rankine Cycle (ORC), which aims to produce 3 kW turbine power. To achieve a specific amount of energy, a key component in waste heat recovery is the heat exchanger. In the present study, a steady-state numerical analysis of heat transfer is conducted for various dimensional configurations of the waste heat exchanger using ammonia. The findings showed that the exhaust gas mass flow rate only has a very minimal effect on the length of the pipe when the exhaust temperature exceeds 400°C.

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Design and performance measurements of an organic vapour turbine

Cited by 46 publications

References 14 publications

Thermoeconomic Evaluation of Modular Organic Rankine Cycles for Waste Heat Recovery over a Broad Range of Heat Source Temperatures and Capacities

Thermoeconomic Evaluation of Modular Organic Rankine Cycles for Waste Heat Recovery over a Broad Range of Heat Source Temperatures and Capacities

Design and experimental investigation of the cogenerative domestic micro power plant with ORC system

Numerical Heat Transfer Analysis of Waste Heat Exchanger for Exhaust Gas Energy Recovery

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