DEVELOPMENT OF DIESEL INJECTOR CLEANLINESS TESTING BASED ON CEC F-98-08 STANDARD IN INDONESIA

• Main Author: Seta Roesdyoko, Narendra
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/71696
• Institution: Institut Teknologi Bandung

Gasoline and Diesel fuel is still the main commodity in the environment in Indonesia. However, the use of fuel causes increase in air pollution. Therefore, the development of fuel must be done to reduce air pollution. One of the developments in fuel that needs to be done is preventing the growth of deposits on engine components. By reducing the deposits that forms in the injector, thus reducing incomplete combustions that produce gas emission such as CO and NOx. Specifications for fuel, especially deposits, must meet the specifications of the Euro IV standards of Worldwide Fuel Charter and Guidelines (WWFC). Diesel Fuel Motor is a combustion engine that works and produces work through compression between air and fuel. A Citroen Peugeuot Diesel Engine was used in the testing of the injector cleanliness test. The test which consists of 32 hours of testing is divided into four parts with each 8 hours of cycle where the engine is tested to measure its power change. Every hour of the test consists of 12 step coking cycle where the power change are measured at the end of 12th step. The injection process has a risk of deposit accumulation. Where the deposit is a collection of fuel that is able to cover the injector holes. The rate of deposit forming depends on the quality of the fuel. One of the most frequently used diesel fuels in Indonesia is Pertamina Dex. In this study, the diesel fuel will be mixed in with deposit control additive to test its effect to the rate of deposit forming in the engine and power change. The testing method used in this study follows the CEC F 98-08 standard. This study aims to analyse the problem that came up when the internal combustion engine used for testing from Peugeot Citroën was being operated. The analysis is done on the run-in test and injector coking test of CEC F-98-08. The injector coking test results in the power change of 2.13% that was within the required amount for the fuel to met the Euro IV Emission Standard.