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Intake and Exhaust System Intake and Exhaust System In the boundary of “internal combustion engine” there are something different from those of engines of our cars. An internal combustion engine means a device which burns the fuel for power generation inside of engine, therefore there can be several other forms of internal combustion engines. One of the example is gas turbine which is used for power plant as a bigger for.. 더보기
Evolution of Engines for Transportation Evolution of Engines for Transportation Since the two gentlemen from Germany, Mr.Otto and Mr.Diesel have invented gasoline and diesel ICE (internal combustion engine) in late 1980s, the engines have improved themselves by adapting multi-steps evolutionary technologies, but the basic principle of the engines has not been changed. With the help of a couple of oil shock and the fear of fossil fuel .. 더보기
Automotive Production by OEM Automotive Production by OEM The term of “Big-3” is well known term in automotive industry. The US manufacturers General Motors, Ford and Chrysler have played a major role for a long time in history, nobody can deny this truth. Later, Japanese Toyota has joined this league and still playes the role quite well. Since the last financial crisis in 2007 and 2008 the landscape of automotive industry .. 더보기
Automotive Production by Country Automotive Production by Country Since 2007 China has grown with rocket speed. In the other hand US has given their leadership in automotive market to China with the financial crisis. Last year 2013 the production volume of US is just half of that of China. Japan shows a similar pattern as US but the recovery speed is much slower than US. One thing should be reminded is this data is only for an .. 더보기
Will Automotive Market Grow ? Will Automotive Market Grow ? Well… To make an answer to this question, we need to find out some data “How many vehicles we have now ?”. If we can see the vehicles per person of each country, and if we can add some information such as, economic situation, historical background and political status we can forecast in which way the market will grow. The picture below is issued from OICA which show.. 더보기
Era of Electric Vehicle (1) Does EV come to us ? Should we move to this direction ? Or shall we wait a couple of decades ? For the CEOs or top managers of automotive manufacturers, these questions are most important and complexed questions to be answered nowadays. To invest huge amount of money for the EV is not a simple decision at all. Of course, a decision not to invest and stay in ICE structure is not an easy one eithe.. 더보기
What happens when EV comes ? (1) The biggest change will be the power-train. The combination of the traditional powertrain, internal combustion engine and transmisssion, will be disappered and electric motor will take the position of the heart of EV. This powertrain change is really the most important one, all the other changes are the changes which supports this major change. The electric motors has very strong start-up torque.. 더보기
Battery for Electric Vehicle Now let's have deeper view on batteries for electrical vehicles specially as a possible replacement for fossil fuel. Then we can probably have the insight whether this battery can really replace fossil fuel or not. Regardless of the types, the fule used for road vehicles should have some inevitable characteristics, high energy density and quich recharge time. History of Battery The figurs below .. 더보기