Performance and Energy Balance of a Low Heat Rejection Dieselengine Operated with Diesel Fuel and Ethanol Blend

Yükleniyor...
Küçük Resim

Tarih

2010

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Canadian Science Publishing

Erişim Hakkı

info:eu-repo/semantics/openAccess

Özet

In this study, it was aimed to investigate the effect of ceramic coating on a turbocharged diesel engine performance and energy balance. For this purpose, cylinder head, valves and pistons of the engine were coated with yttria stabilized zirconia layer with a thickness of 0.35 mm nickel-chromium-aluminium bond coat, as well as the atmospheric plasma spray coating method with a thickness of 0.15 mm. Then, the engines were tested for full load. The heating values of the diesel fuel and ethanol were 46.2 and 25.182 MJ/kg, respectively. Because of the lower heating values of the ethanol, compared with the diesel fuel, it appears to have lower following to engine power, torque and SFC. Compare to engine power of SDE, LHRe has increased about 2 %, LHReth has decreased about 22 % at all engine speed. Compare to engine torque of SDE, LHRe has increased about 2.5 %, LHReth has decreased about 23 % at all engine speeds. Compare to SFC of SDE, LHRe has decreased about 1.1 %, LHReth has increased about 54 % at all engine speeds. Compare to exhaust turbine inlet temperature of SDE, LHRe has increased about 15 %, LHReth has decreased about 17 % at all engine speeds.
Dans cette recherche, nous e´tudions l’effet d’un reveˆtement de ce´ramique sur la performance et le bilan e´nerge´tique d’un moteur diesel turbocompresse´. A` cette fin, la culasse, les soupapes et les pistons du moteur ont rec¸u une couche d’un reveˆtement a` l’oxyde d’yttrium stabilise´ au zirconium avec un alliage de scellement au nickel-chrome-aluminium d’une e´paisseur de 0.35mm, ainsi que d’un reveˆtement par pulve´risation atmosphe´rique d’une e´paisseur de 0.15mm. Ensuite les moteurs ont e´te´ teste´s en condition de pleine charge. Les taux de chaleur de combustion du carburant au diesel et a` l’e´thanol ont e´te´ e´value´s a` 46.2 et 25.182 MJ/kg, respectivement. A` cause du taux plus faible de chaleur de la combustion de l’e´thanol, compare´ au carburant diesel, il semble y avoir une puissance d’entraıˆnement re´duite du moteur, du couple, et de la consommation spe´cifique de carburant (CSC). Si on compare la puissance des petits moteurs diesel, le flux de chaleur rejete´e a augmente´ d’environ 2%, le taux de chaleur rejete´e a diminue´ de 22% a` tous les re´gimes du moteur. Si on compare au couple des petits moteurs diesel, le rejet de chaleur a diminue´ de d’environ 2.5%, le taux de chaleur rejete´ a diminue´ d’environ 23%, a` tous les re´gimes. Compare´ a` la consommation spe´cifique de carburant des petits moteurs diesel, la diminution du rejet de chaleur a diminue´ d’environ 1.1%, le taux de chaleur rejete´e a augmente´ de 54% a` tous les re´gimes. Compare´ a` la tempe´rature a` l’entre´e de la turbine d’ ´chappement d’un petit moteur diesel, le flux de chaleur rejete´e a augmente´ d’environ 15%, le taux de chaleur rejete´e a diminue´ d’environ 17% a` tous les re´gimes.

Açıklama

Anahtar Kelimeler

Kaynak

Transactions of the Canadian Society for Mechanical Engineering

WoS Q Değeri

Q4

Scopus Q Değeri

Q3

Cilt

34

Sayı

1

Künye

Ciniviz, M., (2010). Performance and Energy Balance of a Low Heat Rejection Dieselengine Operated with Diesel Fuel and Ethanol Blend. Transactions of the Canadian Society for Mechanical Engineering, 34(1), 93-104. Doi: 10.1139/tcsme-2010-0006