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Heat and Mass Transfer

, Volume 52, Issue 5, pp 1005–1013 | Cite as

Use of calophyllum inophyllum biofuel blended with diesel in DI diesel engine modified with nozzle holes and its size

  • G. VairamuthuEmail author
  • S. Sundarapandian
  • B. Thangagiri
Original

Abstract

Improved thermal efficiency, reduction in fuel consumption and pollutant emissions from biodiesel fueled diesel engines are important issues in engine research. To achieve these, fast and perfect air–biodiesel mixing are the most important requirements. The mixing quality of biodiesel spray with air can be improved by better design of the injection system. The diesel engine tests were conducted on a 4-stroke tangentially vertical single cylinder (TV1) kirloskar 1500 rpm water cooled direct injection diesel engine with eddy current dynamometer. In this work, by varying different nozzles having spray holes of 3 (base, Ø = 0.280 mm), 4 (modified, Ø = 0.220 mm) and 5 (modified, Ø = 0.240 mm) holes, with standard static injection timing of 23° bTDC and nozzle opening pressure (NOP) of 250 bar maintained as constant throughout the experiment under steady state at full load condition of the engine. The effect of varying different nozzle configuration (number of holes), on the combustion, performance and exhaust emissions, using a blend of calophyllum inophyllum methyl ester by volume in diesel were evaluated. The test results showed that improvement in terms of brake thermal efficiency and specific fuel consumption for 4 holes and 5 holes nozzle operated at NOP 250 bar. Substantial improvements in the reduction of emissions levels were also observed for 5 holes nozzle operated at NOP 250 bar.

Keywords

Diesel Engine Specific Fuel Consumption Injector Nozzle Brake Thermal Efficiency Nozzle Hole 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Abbreviations

CIME

Calophyllum inophyllum methyl ester

ULSD

Ultra low sulfur diesel

NOP

Nozzle opening pressure

B0

ULSD

B25

Blend of 25 % CIME with ULSD

B50

Blend of 50 % CIME with ULSD

B75

Blend of 75 % CIME with ULSD

B100

100 % CIME

NH

Nozzle hole

CI

Compression ignition

DI

Direct injection

BSFC

Brake specific fuel consumption

BTE

Brake thermal efficiency

CO

Carbon monoxide

CO2

Carbon dioxide

NOx

Oxides of nitrogen

HSU

Hartridge smoke unit

SD

Smoke density

HC

Hydrocarborn

ppm

Parts per million

HRR

Heat release rate

P

Pressure (bar)

°CA

Degree crank angle

TDC

Top dead center

bTDC

Before top dead center

kW

KiloWatt

kJ

KiloJoules

kg

Kilogram

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • G. Vairamuthu
    • 1
    Email author
  • S. Sundarapandian
    • 2
  • B. Thangagiri
    • 3
  1. 1.Department of Mechanical EngineeringSethu Institute of Technology (Autonomous)VirudhunagarIndia
  2. 2.Department of Automobile EngineeringDr. Mahalingam College of Engineering and Technology (Autonomous)PollachiIndia
  3. 3.Department of ChemistryMepco Schlenk Engineering College (Autonomous)SivakasiIndia

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