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Sizing Models and Performance Analysis of Waste Heat Recovery Organic Rankine Cycle System for Internal Combustion Engine

  • Boughattas NejmiddinEmail author
  • Hadj Salah Wafa
  • Derbel Aymen
  • Timoumi Yousef
Conference paper
  • 67 Downloads
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

About one third of the energy available on internal combustion engines is actually converted into effective power. The recovery of the dissipation heat and their conversion into electricity is an effective way to increase the efficiency of these engines and therefore reduced their consumptions. Among the current and potentially adopted technologies for this valorisation is the Organic Rankine Cycle system. Thus, the various components constituting the ORC system (motor-pump, heat exchanger and expander) were modelled and dimensioned from the parameters or data provided by the manufacturers’ catalogues, and then selected with imperative to optimize the cycle.

Keywords

ORC system ICE Expander Heat exchanger Motor-pump 

Nomenclature

A

Heat exchanger Area m2

b

Channel spacing of plate m

Cp

Specific heat J·Kg−1·K−1

h

Enthalpy J·Kg−1

L

Length of plate m

Nrot

Rotational speed rpm

\( \dot{m} \)

Mass flow rate kg·s−1

Np

Total number of plate

P

Pressure N·m-2

\( \dot{Q} \)

Heat flow W

s

Entropy J·Kg−1·K−1

T

Temperature K

Vs

Displacement m3tr−1

\( \dot{V}_{s} \)

Ideal volume flow rate m3s−1

U

Heat transfer coefficient Wm−2K−1

\( \dot{W} \)

Power W

W

Width of plate m

Greek symbols

η

Efficiency

ν

Specific volume m3·kg−1

Subscripts

ex

Exhaust

el

Electrical

em

Electromechanical

exp

Expander

l

Liquid

lm

Log mean

p, pp

Pump

s

Isentropic

sf

Secondary fluid

su

Supply

tp

Two-phase

v

Vapour

wf

Working fluid

Acronyms

EES

Engineering Equation Solver

HP

Horse Power

ICE

Internal Combustion Engine

ORC

Organic Rankine Cycle

WHRS

Waste Heat Recovery System.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Boughattas Nejmiddin
    • 1
    Email author
  • Hadj Salah Wafa
    • 2
  • Derbel Aymen
    • 2
  • Timoumi Yousef
    • 2
  1. 1.IPEIKKairouanTunisia
  2. 2.ENIMMonastirTunisia

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