Influence of Injector Opening Pressure on Exhaust Emissions in Insulated Diesel Engine

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Influence of Injector Opening Pressure on Exhaust Emissions in Insulated Diesel Engine

August 21, 2021 Science and Technology 0

As the fossil fuel utilised in internal combustion engines depletes day by day due to increased demand in the transportation and agriculture sectors, the focus on fuel conservation is becoming more prominent. The use of a low heat rejection engine, also known as an insulated engine, is gaining popularity due to its several advantages, including a higher heat release rate, a faster rate of combustion, and the ability to burn low calorific value and high viscosity fuels. There are numerous variables in compression ignition (CI) engine parameters, including injection time, injection pressure, compression ratio, pre-heating, and so on, with injection pressure variation being the most straightforward. to reduce CI engine exhaust emissions by improving combustion with better fuel spray characteristics Exhaust emissions of an engine with a low heat rejection (LHR) combustion chamber, air gap insulated piston, and air gap insulated liner, tidy diesel operation, and varying injector opening pressure were investigated. Particulate matter and nitrogen oxides are among the pollutants emitted by diesel engines. Inhaling these gases is hazardous to one’s health, and they also contribute to the greenhouse effect and global warming. As a result, reducing these emissions is a priority that must be met at all costs. Exhaust emissions (particulate and oxide emissions) The engine’s back pressure (BMEP). The AVL Smoke metre was used to monitor particulate emissions, while the Netel Chromatograph NOx analyzer was used to measure NOx. The LHR engine’s exhaust emissions were compared to those of a conventional engine (CE). With the LHR engine, particulate and NOx emissions rose. However, as the injector opening pressure was increased, the emissions fell.

Author (S) Details

M. V. S. Murali Krishna
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500 075, Telangana State, India.

N. Janardhan
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500 075, Telangana State, India.


N. Venkateswara Rao
Mechanical Engineering Department, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500 075, Telangana State, India.

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