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Demonstration Test Plant of Closed Cycle Gas Turbine with Supercritical CO2 as Working Fluid

Motoaki UTAMURA ; Tokyo Institute of Technology, Tokyo, Japan
Hiroshi HASUIKE ; The Institute of Applied Energy, Tokyo, Japan
Takashi YAMAMOTO ; Thermal Engineering & Development Co. , Kanagawa, Japan

Puni tekst: engleski pdf 2.225 Kb

str. 459-465

preuzimanja: 1.257



The development of a closed cycle gas turbine with super-critical carbon
dioxide as a working fluid is under way in order to generate power from
waste heat source of a low or intermediate temperature range from industry.
Its demonstration test plan using a reduced scale turbomachine is described.
Principal specifications follow; net power output of around 10 kWe and
recirculation CO2 flow rate of 1.2 kg/s. Optimized range of compressor inlet
temperatures as well as pressure is investigated under the given turbine inlet
conditions of 550 K and 12 MPa respectively. Given these inlet conditions, a
suitable type of turbomachine is selected to be radial. Based on the conventional
design method assuming ideal gas an optimal dimension of the outer wheel
diameter is predicted to be 20mm for compressor and 30mm for turbine under
an optimal rotational speed of 100,000 min-1.

Ključne riječi

Closed cycle, Gas turbine, Supercritical carbon dioxide

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Podaci na drugim jezicima: hrvatski

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