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Information sharing on diesel engines

I am a Korean. Please understand even if I am not good at English.

As I am interested in korea ship engines and korea car engines, I would like to share the information I know about diesel engines. I am currently working on ship engines, and I have over 10 years of experience in handling and managing many engines, including mid- and low-speed diesel and YANMAR, NIIGATA, DAIHATSU, HANSHIN, AKASAKA, B&W, but I am still studying and working on it. The goal is to share information first and secondly to learn my knowledge over and over again. The structure of the automotive diesel engine and the ship engine is similar to the basic frame, but there are many mistakes, so please refer to them.

Today, the trend toward the complexity of automobile structures, the sophistication of performance, especially electronics, is becoming even stronger. In addition, pollution (fine dust) of cars, such as emissions and noise, has become a major social issue, and his repair and safe operation have become important tasks directly related to social welfare. To improve and average the quality of education at schools and training centers and other educational institutions that train engine maintenance technologies, we are conducting various studies, but we are sharing information directly because of the lack of information.

I would like to learn more about the difference between gasoline-powered diesel engines and diesel engines. In particular, I would like to explain it to you only in terms of structure.

Basically, it's easy for you to understand if you're building or servicing an engine, but for those of you who don't have access to it, it's going to be a lot. If you understand the following, I think you're right to read my posts.

INSTRUCTION MANUAL HEAVY DISEL ENGINES!!

This manual provides general instructions for the This is an example of a diesel engine..

This instructions given herein cover all phases of the a diesel engine ranging from operation to maintenance. The instruction manual contains parts which are applicable to all types of the a diesel engine and SOME which concern specific types.

Observe those instructions which are applicable only to your engine, and read the other instructions just for reference.

Read not only those parts which consern your engine but also the other parts of the manual, which, we believe, will prove helpful in your future plans.

The manual has been compiled as mentioned below for your easy reference.

• The table of contents is divided into a Rain table of contents and sectional tables of contents which include lists of attached drawings and tables.

• Applicable models are listed at the head of paragraph.

W A R N I N G READ THIS ENTIRE MANUAL AND ALL OTHER PUBLICATIONS PERTAINING TO THE WORK TO BE PERFORMED BEFORE INSTALLING, OPERATING OR SERVICING THIS EQUIPMENT. PRACTICE ALL PLANT AND SAFETY INSTRUCTIONS AND PRECAUTIONS. FAILURE TO FOLLOW INSTRUCTIONS CAN CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

1. INTRODUCTION

This manual describes the construction of Niigata Diesel Engines and the methods for their operation, handling and maintenance.

However, the manual does not necessarily cover the details of all the problems which might come up during the use of your engine. It is hoped, therefore, that the engine operator acquires a full knowledge of the instructions given in this manual, pays attention to the condition of the engine at all times, and keeps studying the engine so that he will be able to take quick and appropriate steps against what might develop with the engine.

Daily inspection and maintenance will enable the engine operator to detect trouble symptoms and prevent accidents, and thus prolong the engine life and keep the engine in satisfactory condition for years to come.

Dimensions, Screws, Engine Name Plate The materials and accessories used for the engine are manufactured mainly in Japan, and meet the specifications of the International Standardization Organization (ISO), Japanese Industrial Standard (JIS).

As a marine engine, it has passed the various tests and checks specified by the following Registers of Shipping, and qualifications therefore can be obtained: (NK)., (LR)., (AB). and others The metric system was applied in the design and manufacture of the engine.

Here's what I'm going to tell you.

Models and Factory, Fuel oil, Fuel oil properties, Factory, Lubricating oil, Specifications, Cooling water, Engine specifications, Quantities of lubricating oil, Specifications of accessories and cooling water, and auxi1 iaries, Engine Installation, Site Condition, Foundation work (for land engines), Operation of the Diesel, Engine installation and alignment, Outline of Construction, Engine lifting, General, Caution in rigging, Engine construction, Fuel Oil, Lubricating Oil and Cooling Water

Besides

Operation principle, Engine timing chart, General view, Cylinder head, Piston and connecting rod, Gear case, Air motor starting system, Cooling water pump, Turbo blower, Lubricating oil quantity, Engine lifting method, Fuel oil gravity tank, Expansion joint and exhaust manifold, installing method, Engine room ventilation method, Output correction, Light oil specifications, Heavy oil specifications, Kerosene specifications, Recommended brands of lubricating oil, Limits of cooling water properties.

Of course, there may be some omission here, but I will do my best to inform you of the information.

GENERAL Site Conditions

The engine outputs mentioned in this manual apply under the following standard conditions.

The output of an engine is subject to change depending on the site conditions where the engine is installed. It is suggested that, when selecting an engine output, you inform us of your site conditions and then determine an appropriate engine output. Attention must be paid to any change in site conditions so that the engine will not be overloaded when operating it on a load.

Standard conditions (for the engines specified in this manual)

Altitude (above sea level) From 0 up to 300m (Atmospheric pressure 760mmHg)

Engine ambient temperature 40℃

Cooling water inlet temperature

Marine engines 32℃

Land engines 35℃

There are various mathematical formulas for calculating the percentage of output decrease due to the effect of site conditions, but the following ISO (International Standardization Organization) output correcting tables are used for obtaining the percentage of output decrease for the engines.

Operation of the this Diesel

The this Diesel is a 4-stroke cycle diesel engine. The 4-stroke cycle diesel engine has four strokes - suction, compression, expansion and exhaust.It is a so called compression ignition engine which injects fuel into compressed air for spontaneous ignition.

(1) Suction stroke

The exhaust valve is closed, and the piston goes down while the intake valve is opened to let air into the cylinder through the intake valve.

(2) Compression stroke

The intake and exhaust valves are closed and the piston goes up so that the air inside the cylinder is compressed into high-temperature air.

(3) Expansion stroke

When the piston reaches the top dead center, the fuel is injected in fine particles into the combustion chamber by the fuel injection valve nozzle, ignites itself and burns as it is exposed to the high-temperature air. The resultant high-pressure gas pushes the piston downward to rotate the crankshaft.

(4) Exhaust stroke

As the piston reaches the bottom dead center after the expansion stroke, the exhaust valve is opened to let the exhaust gas out so that the pressure inside the cylinder decreases. As the this Diesel piston rises again, the remaining exhaust gas is forced out of the cylinder. Then the suction stroke begins again.

Each cylinder completes these four strokes while the crankshaft turns twice. This process is repeated to cause the engine to run.

The posting looked at diesel's four-stroke cycle. Remember, there are four strokes: suction, compression, expansion, and exhaust.We looked at the intake air temperature of the land engine versus the intake air temperature of the ocean engine. The posting looked at diesel's four-stroke cycle. Remember, there are four strokes: suction, compression, expansion, and exhaust.

Again, I hope you understand even if you are not good at English. Thank you for reading.