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Exergy-based performance analysis and evaluation of a dual-diesel cycle engine (DDCE)

ABSTRACT
Performance examinations of a Dual-Diesel cycle engine (DDCE) in point of engine performance (EPER) characteristics such as exergy efficiency (EXEF), power (PO) and power density (POD) have been conducted. The effect of design parameters of the engine cycle such as intake temperature, intake pressure, piston friction coefficient, average piston velocity (APV), engine revolution (N), stroke length (L), residual gas fraction (RGF), engine pressure ratio (EPR), engine temperature ratio (ETR), compression ratio (r), ratio of bore diameter to stroke length (D/L) and equivalence ratio (ϕ) on the performance characteristics are evaluated by considering variable specific heats and irreversibilities resulting from exhaust output (EO), heat transfer (HT), incomplete combustion (IC) and friction (FR). The results can provide substantial information to researchers who study on DDCE design and manufacture.
KEYWORDS
PAPER SUBMITTED: 2019-07-10
PAPER REVISED: 2020-03-09
PAPER ACCEPTED: 2020-05-31
PUBLISHED ONLINE: 2020-06-07
DOI REFERENCE: https://doi.org/10.2298/TSCI190710180G
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