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Performance Analysis of ORC with Environment-Friendly Working Fluids Novec 649 and R1233zd[E] as Alternative to R245fa

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Advances in Energy and Built Environment

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 36))

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Abstract

In the present work, two low GWP fluids, viz. Novec 649 and HFO1233zd[E], have been considered to replace R245fa in ORC with and without IHE. A computational model is developed in EES software for the evaluation of cycles. The cycles are studied on the basis of the first law of thermodynamics, and exergy analysis is also carried out. The results substantiate that the first law efficiency of Novec 649 is lower than R245fa, whereas R1233zd[E] shows better first law efficiency than R245fa. The first law efficiency increases with increase in evaporator temperature, whereas it decreases with increase in condenser temperature. The usage of IHE improves the first law efficiency. The exergetic efficiency for R1233zd[E] is higher than other fluids in comparison with R245fa and Novec 649. The effect of degree of superheat in both cycles on exergetic efficiency is to decrease it.

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Abbreviations

ExD:

Exergy destroyed (kJ)

h :

Enthalpy (kJ/kg)

\( \dot{m} \) :

Mass flow rate (kg/s)

s :

Entropy (kJ/kgK)

T :

Temperature (℃)

W :

Electric power (kW)

GWP:

Global warming potential

IHE:

Internal heat exchanger

ODP:

Ozone depleting potential

ORC:

Organic Rankine cycle

ε :

IHE effectiveness

η :

Efficiency

c:

Critical

cond:

Condenser

e:

Exit

em:

Electromechanical

evp:

Evaporator

exp:

Expander

H:

Heat source

i:

Inlet

is:

Isentropic

p:

Pump

tot:

Total

v:

Volumetric

References

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    Article  Google Scholar 

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Correspondence to Pradeep Kumar Jain .

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Jain, P.K., Arora, A., Arora, B.B. (2020). Performance Analysis of ORC with Environment-Friendly Working Fluids Novec 649 and R1233zd[E] as Alternative to R245fa. In: Zhang, G., Kaushika, N., Kaushik, S., Tomar, R. (eds) Advances in Energy and Built Environment. Lecture Notes in Civil Engineering , vol 36. Springer, Singapore. https://doi.org/10.1007/978-981-13-7557-6_5

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  • DOI: https://doi.org/10.1007/978-981-13-7557-6_5

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-7556-9

  • Online ISBN: 978-981-13-7557-6

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