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530.231_Handouts_Lab_4_08 - 530.231 Engineering...

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530.231 Engineering Thermodynamics 530.231 ENGINEERING THERMODYNAMICS Fall, 2008 Experimental Lab No. 4 Internal Combustion Engine and 1 st Law of Thermodynamics Signup instructions The previously set groups should sign up (make an appointment) to perform the lab during available times provided in the Excel file. Aditya Nayak and Yuan Lu, the TAs, have a sign-up sheet. Since we have only one setup, you may choose either week 1 (October 20) or week 2 (October 27) to perform the experiments. Each lab session takes two hours. Available times are on a “first comes first served” basis. Objective The purpose of this laboratory assignment is to provide participants the opportunity to study the different terms involved in the 1 st law of thermodynamics. Equipment General Motors QUAD 4 (16-Valve) automatic combination KAL 4-Gas Infrared Gas Analyzer GM Tech1 Handheld Diagnostic Computer Mustang Dynamometer (Model 2200) Omega Flow Meter Dwyer Thermal Anemometer Extech Photo Tachometer Raytech Noncontact Thermometer Announcements 1. This experiment involves high-speed, high-temperature equipment. MISOPERATION MAY CAUSE SERIOUS ACCIDENT !!! 2. The equipment may look like a car, but is not a car. DO NOT PLAY ON IT LIKE DRIVING A CAR . This may cause permanent damage of the equipment. 3. IT IS MANDATORY TO GET TA’S PERMISSION TO TURN ON OR TURN OFF THE ENGINE. 4. Team partners’ cooperation is very important in this experiment. Everyone should be responsible as a group member. Otherwise, you may miss recording some data and it is impossible to make up. 5. Read this handout thoroughly before the scheduled laboratory. Experimental Lab #3: Internal Combustion Engine & 1 st Law of Thermodynamics 1
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530.231 Engineering Thermodynamics Introduction The 1 st law of thermodynamics plays a crucial role in analyzing a system thermodynamically. For a Steady-State, Steady-Flow Process (SSSF), the continuity equation reads: = e i m m Equation 1 The 1 st law for a SSSF process can be expressed as: + + + = + + + IV V C III e e e e II i i i i I V C W gZ V h m gZ V h m Q . . 2 2 . . ) 2 / ( ) 2 / ( Equation 2 Term I represents the heat addition to the control volume; term II represents the energy and flow work of different species flowing into control volume; term III gives the energy of different species flowing out of control volume; term IV gives the rate of work from the control volume. In this experiment, these four terms will be studied for the case of an internal combustion engine system. The Internal combustion (I.C.) engine is extremely important to our industrial society, finding uses in transportation, electrical power generation, agriculture, etc. Virtually all modern passenger vehicles today are powered by internal combustion engines that deliver output through drivelines with several steps in torque multiplication.
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530.231_Handouts_Lab_4_08 - 530.231 Engineering...

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