scholarly journals SYSTEM OF SUPPLYING THE ADDITIVE COMPONENT TO THE CYLINDER OF THE DIESEL ENGINE

2018 ◽  
pp. 67-73
Author(s):  
Mikhail Nikolaevich Pokusaev ◽  
Anton Sergeevich Zubarev ◽  
Alexander Yuryevich Grabarchuk
Keyword(s):  
Diesel Engine ◽  
Electronic Control Unit ◽  
Control Unit ◽  
Toxic Substances ◽  
Additional Component ◽  
Common System ◽  
Additive Component ◽  
Weak Points ◽  
Distinguishing Features ◽  
Intense Source

A working diesel engine is an intense source of atmospheric air pollution with toxic substances contained in exhaust gases. This problem was repeatedly raised by the Marine Environment Protection Committee at the headquarters of the International Maritime Organization which is responsible for strengthening stability and security of navigation of merchant ships and for preventing sea pollution from ships. The article proposes the way to solve the problem, namely, to equip a ship diesel with a system that will allow the additional component to be delivered directly to the cylinder of the diesel engine, thereby reducing the content of harmful substances from exhausted gases. Having analyzed the existing systems that were successfully applied in practice, there have been shown strong and weak points of the developed system, as well as its distinguishing features. Accurate feeding of the additional component and monitoring of the main characteristics of the diesel is carried out thanks to the developed electronic control unit, which in turn receives the necessary signals from various sensors mounted on the diesel engine. All the components of the installation form, as a result, one common system, but it should be noted that functionally the system under consideration is only accessory. Getting reliable results has become possible due to using the latest electronic components and integrating them with diesel elements.

scholarly journals IMPROVING MARINE DIESEL ENGINE ENVIRONMENTAL PERFORMANCE BY CARBURATION OF DIMETHYL ETHER IN INLET MANIFOLD

2021 ◽  
Vol 2021 (1) ◽  
pp. 36-43
Author(s):  
Alexander Yuryevich Grabarchuk ◽  
Shagor Muhammad Robiuzzaman
Keyword(s):  
Diesel Engine ◽  
Electronic Control Unit ◽  
Control Unit ◽  
Scientific Work ◽  
Marine Diesel Engine ◽  
Electronic Control ◽  
Additional Component ◽  
Advantages And Disadvantages ◽  
Marine Diesel ◽  
Inlet Manifold

The article highlights the measures to be introduced in order to restrict the hazardous emissions from the marine vessels as a result of increasing attention of the global community to the air pollution problem. The most difficult for ship owners is to adhere to the requirements of MARPOL 73/78 in NECA Tier III. As a result of the analysis of modern widely used methods for reducing harmful emissions of nitrogen oxides from a marine ICE there have been determined the main advantages and disadvantages of these methods. A new method including the additional component supply system, which delivers additional component to an inlet manifold of a marine ICE, and the most suitable additional component were proposed. Main advantages of the proposed system over other systems were determined. The system operation diagram is presented and the academic novelty of the scientific work was determined. The academic novelty consists in using an adapted mathematical model for calculating the main parameters of the system developed. At the current stage of the work, the development of an electronic control unit for the system and additional electronic control unit is in progress. The next stage of the work consists of calculating the main parameters of the system and testing the system in various operating modes of marine diesel engine 3NVD 24

scholarly journals Development of a Generic Dual Fuel ECU for Common Rail Diesel Engine Control

2021 ◽  
Author(s):  
◽  
Luke James Frogley
Keyword(s):  
Diesel Engine ◽  
Diesel Fuel ◽  
Fuel Injection ◽  
Electronic Control Unit ◽  
Control Unit ◽  
Common Rail ◽  
Dual Fuel ◽  
Fuel System ◽  
Compressed Natural Gas ◽  
Diesel Operation

<p>Rising costs of diesel fuel has led to an increased interest in dual fuel diesel engine conversion, which can offset diesel consumption though the simultaneous combustion of a secondary gaseous fuel. This system offers benefits both environmentally and financially in an increasingly energy-conscious society. Dual fuel engine conversions have previously been fitted to mechanical injection systems, requiring physical modification of the fuel pump. The aim of this work is to develop a novel electronic dual fuel control system that may be installed on any modern diesel engine using common rail fuel injection with solenoid injector valves, eliminating the need for mechanical modification of the diesel fuel system.  The dual fuel electronic control unit developed replaces up to 90 percent of the diesel fuel required with cleaner-burning and cheaper compressed natural gas, providing the same power output with lower greenhouse gas emissions than pure diesel. The dual fuel system developed controls the flow of diesel, gas, air, and engine timing to ensure combustion is optimised to maintain a specific torque at a given speed and demand. During controlled experimental analysis, the dual fuel system exceeded the target substitution rate of 90 precent, with a peak diesel substitution achieved of 97 percent, whilst maintaining the same torque performance of the engine under diesel operation.</p>

scholarly journals THE DEVELOPMENT OF ELECTRONIC CONTROL ALGORITHM OF FUEL ACTIVATOR INJECTION AT TWO-PHASE MIXTURE FOR-MATION IN AUTOMOTIVE DIESEL ENGINE

2021 ◽  
Author(s):  
М.V. Ryblov ◽  
◽  
М.D. Dubin ◽  
Keyword(s):  
Diesel Engine ◽  
Control Algorithm ◽  
Electronic Control Unit ◽  
Control Unit ◽  
Intake Manifold ◽  
Electronic Control ◽  
Mixture Formation ◽  
Two Phase ◽  
Intake Stroke ◽  
Phase Mixture

The article presents an algorithm of automatic control of injection of fuel activator supplied at the intake stroke into the intake manifold at two-phase mixture formation in the diesel engine. The algorithm represents a command set written in the microcontroller program of electronic control unit of the system performing the injection of fuel activator at the first phase of two-phase mixture formation.

scholarly journals Software Algorithm Synthesis for Diesel Electronic Control Unit

2018 ◽  
Vol 55 (3) ◽  
pp. 16-26
Author(s):  
A. Prohorenko ◽  
P. Dumenko
Keyword(s):  
Control System ◽  
Diesel Engine ◽  
Electronic Control Unit ◽  
Control Unit ◽  
Electronic Control ◽  
Small Companies ◽  
Significant Progress ◽  
Electronic Control System ◽  
Technological Level ◽  
Engine Construction

Abstract Nowadays global engine construction gets significant progress at a technological level, but specified manufacturers do not release any information about the composition, the structure of the algorithms and the software used by their equipment. It is possible to obtain information only fragmentary and, for example, the description of the electronic control unit algorithm is completely missing. This is a barrier for small companies to improve and adjust existing engines for specific purposes. The present paper describes and develops algorithm synthesis for an electronic diesel engine regulator. Mathe-matical modelling of the automatic control system has been carried out within the framework of the research. The results of the research have demonstrated the efficiency and sustainability of automatic electronic control system using the proposed algorithm.

Experimental investigation of the effect of a B70 biodiesel blend on a common-rail passenger car diesel engine

2009 ◽  
Vol 223 (5) ◽  
pp. 685-701 ◽  
Author(s):  
D Tziourtzioumis ◽  
L Demetriades ◽  
O Zogou ◽  
A M Stamatelos
Keyword(s):  
Diesel Engine ◽  
Data Acquisition ◽  
Electronic Control Unit ◽  
Engine Performance ◽  
Control Unit ◽  
Common Rail ◽  
Passenger Car ◽  
Labview Software ◽  
Biodiesel Blend ◽  
Engine Testing

The results of engine bench tests of a 2.0l common-rail high-pressure injection passenger car diesel engine fuelled by B70 biodiesel blend are compared with the corresponding results of baseline tests with standard EN 590 diesel fuel. Engine performance and carbon monoxide (CO), total hydrocarbon (THC), and nitrogen oxide (NO x) emissions were measured. Also, indicative particulate sampling was made with a simplified undiluted exhaust sampler. The aim of this study was to understand better how the engine's electronic control unit (ECU) responds to the different fuel qualities. A series of characteristic operation points for engine testing is selected to serve this purpose better. Data acquisition of the engine ECU variables was made through INCA software. Also, additional data acquisition based on external sensors was carried out by means of Labview software. The results enhance understanding of the engine ECU behaviour with the B70 biodiesel blend. Also, they are compared with what is known from the related literature for the behaviour of common-rail diesel engines with biodiesel blends.

scholarly journals Comparative Analysis of Performance, Emission, and Combustion Characteristics of a Common Rail Direct Injection Diesel Engine Powered with Three Different Biodiesel Blends

Energies ◽  
2021 ◽  
Vol 14 (18) ◽  
pp. 5597
Author(s):  
K. M. V. Ravi Teja ◽  
P. Issac Prasad ◽  
K. Vijaya Kumar Reddy ◽  
N. R. Banapurmath ◽  
Manzoore Elahi M. Soudagar ◽  
...  
Keyword(s):  
High Pressure ◽  
Diesel Engine ◽  
Electronic Control Unit ◽  
Direct Injection ◽  
Engine Performance ◽  
Control Unit ◽  
Common Rail ◽  
Biodiesel Blends ◽  
Sustainable Solutions ◽  
Fuel Flexibility

Biodiesel is a renewable energy source which is gaining prominence as an alternative fuel over fossil diesel for different applications. Due to their higher viscosity and lower volatility, biodiesels are blended with diesel in various proportions. B20 blends are viable and sustainable solutions in diesel engines with acceptable engine performance as they can replace 20% fossil fuel usage. Biodiesel blends are slightly viscous as compared with diesel and can be used in common rail direct injection (CRDI) engines which provide high pressure injection using an electronic control unit (ECU) with fuel flexibility. In view of this, B20 blends of three biodiesels derived from cashew nutshell (CHNOB (B20)), jackfruit seed (JACKSOB (B20)), and Jamun seed (JAMNSOB (B20)) oils are used in a modified single-cylinder high-pressure-assisted CRDI diesel engine. At a BP of 5.2 kW, for JAMNSOB (B20) operation, BTE, NOx, and PP increased 4.04%, 0.56%, and 5.4%, respectively, and smoke, HC, CO, ID, and CD decreased 5.12%, 6.25%, 2.75%, 5.15%, and 6.25%, respectively, as compared with jackfruit B20 operation.

scholarly journals Multi-criteria fuel system optimization with an electronic control unit

2017 ◽  
Vol 168 (1) ◽  
pp. 51-55
Author(s):  
Aleksander WRÓBLEWSKI
Keyword(s):  
Diesel Engine ◽  
Electronic Control Unit ◽  
Quality Criteria ◽  
Control Unit ◽  
System Optimization ◽  
Optimization Method ◽  
Engine Fuel ◽  
Fuel System ◽  
Common Rail System ◽  
The Common

This paper presents the results of the multi-criteria synthesis of a diesel engine fuel system using the optimization method. The optimization criteria, functional restrictions and quality criteria have been selected. The efficiency of the proposed method was demonstrated using the example of a diesel engine with the Common Rail system.

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