Continuous stirred tank reactor models Dr. M.J. Willis Dept. of Chemical and Process Engineering‚ University of Newcastle. e-mail: Tel. Written: Updated: mark.willis@ncl.ac.uk 0191 222 7242 November‚ 1998 April‚ 1999; March‚ 2000 Aims and objectives Chemical reactors are the most influential and therefore important units that a chemical engineer will encounter. To ensure the successful operation of a continuous stirred tank reactor (CSTR) it is necessary to understand their dynamic characteristics
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Stepping into muddy puddles along the swollen drain‚ my slippers became wet and were making squelching sounds as I treaded carefully down the slippery pavement. The sky was filled with ominous clouds. I was taking a stroll around the neighbourhood. It was then when I saw two boys‚ aged around five to six years old by a flooded canal. I was surprised to see them dropping and picking up empty plastic water bottles in the murky water. The water in the canal was smelly and rubbish drifted in it. The
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destination‚ a life threatening danger awaits drivers‚ that is motor vehicle accidents. Motor vehicle accidents occur everywhere at anytime. In order to understand the result that causes deaths on motor vehicle users‚ three areas of analysis should be considered. These areas are magnitude‚ distribution and determinants of motor vehicle accidents. A factor that can lead to an increase in the awareness behind motor vehicle accidents is the comparison of a high-income country to a middle-income country. Not
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Einstein). Electric cars are automobiles they use one or more electric motors‚ other than using more common gasoline powered engines. Electric cars use batteries; batteries are used to store energy. Since Electric motors don’t have to warm up they have instant torque‚ creating strong and smooth acceleration‚ which can give you a more satisfying ride. Electric cars are safer and better than gasoline powered cars‚ since they aren’t polluting the air as much as gas powered cars. Electric cars are high demand
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Diagnostic Essay The thought of returning to school for many students is met with duress. For mature students‚ a multiple year hiatus coupled with rusty academic skills bring amount a feeling of uneasiness. Writing seems to be the most intimidating subject to mature students. Writing and composition courses offered at Los Angeles City College (LACC) are sufficient in assisting its students in improving their writing skills. The opportunity for improvement is supplied by practice‚ introduction
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hybrid cars. Even though hybrid cars use gas‚ it will be better for our environment and will be able to prevent a smaller amount of pollution in the air. Many people do not realize it or might not even care‚ but if it goes on like this‚ our world would be very polluted; the air we breathe in will be even more contaminated; so stop driving conventional cars and go buy a hybrid car. First of all‚ with regular cars that are run by gas only; they leave excess gas into the air. With hybrid cars‚ you use
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Everything has a trade-off and opportunity cost. Electric cars are no exception. The first thing that caught my attention was the mileage. In the article and video‚ Rick Peters’ electric car only goes 25 miles per hour. You cannot get very far with that‚ especially since the farthest you can go in it is 30 miles per charge. I drive a Toyota Camry‚ and I drive 9.2 miles every day to school. It takes me 12-15 minutes to drive to school. If you ignore the speed limit on the roads (it is 55 mph)‚ it
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muscle car? Is it foot/lbs of torque? Horsepower? Is it purely the image? The hype and build-up surrounding a muscle cars can get a little confusing when a new model is released‚ but the "tried and true" dream cars have proven their power and performance year after year and decade after decade. American‚ European‚ and Asian cars appeal to different segments of muscle car enthusiasts‚ for different reasons. Several cars immediately race into your thoughts when you think about American muscle cars: Corvette
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7.0513 > 6‚ which implies that the sample should be sand but not gravels. Furthermore‚ we may classify the sample following the table below accurately: As we see our sample contains 17.16% of gravel which satisfy the constraints of gravelly sand. So we may further conclude that the sample is poorly-graded gravelly sand. (3) For the engineering application of results‚ we may see that as sieve analysis test (dry sieve) results in gradation of sample in well-graded or poorly graded on the
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Parents have different views about how children should grow up. Some parents like their children to grow up with only studies‚ school activities‚ no playing during the evening and no school nights. There are some parents who always make their children go out and do school nights. The students who study more and do not go for school nights mostly have an upper hand on those who go for school nights. It is good to have a 9:00 P.M. curfew on school nights for the people under the age of eighteen after
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