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TECHNICAL PAPERS

Characteristics of Thermogravimetric Plants

[+] Author and Article Information
S. Arosio

Dipartimento di Energetica, Politecnico di Milano, Milano, Italy

R. Carlevaro

CNR-TeMPE, Milano, Italye-mail: carlevar@tempe.mi.cnr.it

J. Energy Resour. Technol 124(4), 276-282 (Nov 20, 2002) (7 pages) doi:10.1115/1.1488670 History: Received November 14, 2001; Revised April 09, 2002; Online November 20, 2002
Copyright © 2002 by ASME
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References

Figures

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Plant height Z and power W versus R for several values of Tmin, once fixed Tvap,Tmax,DBC and VLS
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Schematic diagram of the regenerated thermogravimetric system—BC: upward bicomponent column, C: condenser, E: evaporator, H: auxiliary heater, M: mixer, MC: downward monophase column, P: pump, R: regenerator, S: separator, T: hydraulic turbine
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Theoretical regenerated thermodynamic cycles—a) saturated cycle: solid line, b) superheated cycle: dotted line, c) hypercritical cycle: short dashes line
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Pressure drop trends along the percentage plant height Z %
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Slip ratio S and total local pressure P trends along the percentage plant height Z %
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Nonregenerative (η) and regenerative (ηr) cycle efficiency and work per unit mass LU versus the reduced pressure Pr, the extreme cycle temperatures being fixed
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Hydraulic efficiency ηhy versus R for several values of Tmin, once fixed Pr,Tmax, the bicomponent column diameter DBC and the liquid superficial velocity VLS
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Overall efficiency ηo versus R for several values of Tmin, once fixed Pr,Tmax,DBC, and VLS
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Plant height Z and power W versus R, once Pr,Tmin,Tmax,DBC, and VLS are fixed
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Plant height Z and power W versus R for several values of VLS, once Pr,Tmin,Tmax, and DBC are fixed
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Hydraulic efficiency ηhy and overall efficiency ηo versus R for several values of Tmin, once fixed vaporization temperature Tvap,Tmax,DBC, and VLS

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