Engineering, 30.11.2019 07:31 blymouton13
1first, compute the integral analytically. then estimate the integral to 6 decimal places, as instructed. a) handwork use multiple applications of the trapezoid rule, with n=6. (use eq. 19.11). b) handwork apply the composite trapezoid rule, with n=6. (use eq. 19.17). c) matlab apply the composite trapezoid rule, with n=6, 12 & 24 d) handwork use multiple applications of simpson’s 1/3 rule, with n=6. (use eq. 19.22). e) handwork apply the composite simpson’s 1/3 rule, with n=6. (use eq. 19.26). f) matlab apply the composite simpson’s 1/3 rule, with n= 6, 12 & 24
Answers: 2
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:20
An engine runs on the ideal diesel cycle. the cycle has a compression ratio of 20 and a cutoff ratio of 2. the highest temperature in the cycle is 1200 k. if the heat into the system is 300 kj/kg of working fluid and using variable specific heats determine the work produced per mass of working fluid
Answers: 3
Engineering, 04.07.2019 19:10
Tom is having a problem with his washing machine. he notices that the machine vibrates violently at a frequency of 1500 rpm due to an unknown rotating unbalance. the machine is mounted on 4 springs each having a stiffness of 10 kn/m. tom wishes to add an undamped vibration absorber attached by a spring under the machine the machine working frequency ranges between 800 rpm to 2000 rpm and its total mass while loaded is assumed to be 80 kg a) what should be the mass of the absorber added to the machine so that the natural frequency falls outside the working range? b) after a first trial of an absorber using a mass of 35 kg, the amplitude of the oscillation was found to be 10 cm. what is the value of the rotating unbalance? c) using me-3.5 kg.m, find the optimal absorber (by minimizing its mass). what would be the amplitude of the oscillation of the absorber?
Answers: 3
Engineering, 04.07.2019 19:10
Acircular aluminum shaft mounted in a journal is shown. the symmetric clearance gap between the shaft and journal is filled with sae 10w-30 oil at t 30°c. the shaft is caused to turn by the attached mass and cord. develop and solve a differential equation for the angular speed of the shaft as a function of time.
Answers: 2
1first, compute the integral analytically. then estimate the integral to 6 decimal places, as instru...
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