Engr2024Rm-Lec_06

Engr2024Rm-Lec_06 - SUSTAINABLE DEVELOPMENT AND...

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SUSTAINABLE DEVELOPMENT AND ENVIRONMENTAL STEWARDSHIP ENGR 202 /4R Lecture 06 February 11/2010 FACULTY OF ENGINEERING AND COMPUTER SCIENCE Instructor: Dr. Saleh Kaoser Winter session
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Submission of Assignment 1 Formation of groups and date of presentation Midterm Hints (Revision of Previous Lectures) Continuation of Water Pollution
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Revision of Lectures from Lec- 01 to Lec 04
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The physical environment that surround us Air, water, soil, forest Road, buildings, growth centre, river, Any physical insfructactures that concerns us and affect our day to day life. Introduction to ENVIRONMENT
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- How do Physical Environments Affect Us? Questions. - How do the Environment and Humans Interact? - Are Human Activities that Influence the Environment, or, the Polluted Environment Influences Human Health (Is it a Dilemma?) - Do all the Changes in the Environment have a Negative Effect? Introduction to ENVIRONMENT
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To have a better concept about environment & the role of Engineers, we consider the following Figures. Impacts Costs, risks Damage Human activities Agriculture Industry Transport Pollutants Air, water Soil Physical Chemical Biological Change in Environment Economic Culture Values Technology Development Public policy measures (laws, regulations, and standards R O L E O F E N G I N E E R S Primary impact Response of impact Role of engineers Mitigating APPROACH Political Process
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Engineering Social science Impacts Costs, risks Damage Human activities Pollutants Air, water Soil Physical Chemical Biological Change in Environment Agriculture Industry Transport Economic Culture Values Public policy measures (laws, regulations, and standards Social science Science Political Process Mitigating APPROACH Role of engineers Technology Development
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Mitigating APPROACH The Basic Engineering Principles to Mitigate the Environmental Problems is based on: CONSERVATION OF MASS AND ENERGY WHY? Because, Understanding and Calculating the Mass Balance will Reveal the Insights the Environmental Impacts of any Engineering Design . Role of engineers
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Transportation is one of the largest sources of air pollution in Canada. The combustion of fossil fuels to power vehicles and engines (on and off road) - cars and trucks ;large trucks and buses; recreational vehicles; lawn and gardening equipment; farming and construction; rail and marine – has major adverse impacts on the environment and health of Canadians. Transportation
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Stoichiometric or theoretical combustion is the ideal combustion process where fuel is burned completely. A complete combustion is a process burning all the carbon (C) to (CO 2 ), all the hydrogen (H) to (H 2 O)and all the sulphur(S) to (SO 2 ). With unburned components in the exhaust gas, such as C, H 2 , CO, the combustion process is uncompleted and not Stoichiometric .
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In a complete combustion, the reactant will burn in oxygen, producing a limited number of products. When a hydrocarbon burns in oxygen, the reaction will only yield carbon dioxide and water. When a
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Engr2024Rm-Lec_06 - SUSTAINABLE DEVELOPMENT AND...

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