MehBattery operated trainColl CD Af Pair160,000kg 0.0005 0.15 5m² 1.2kg/m³197et nong0.98 0.9 0.88Tesla PratedTesla Trated Ywheel ng Jaxle.270kW440NM0.45m 2028.5kgm²Consider a drive cycle of a 500km trip with 3 stops inthe middle. Other than the acceleration and decelerationassociated with the three stops, the tran maintains.constant cruise speed velocity of 324 km/hr. Thetran will fast charge at each stop for 15 min at arate Peharge = 350 kW(ผมτ(MN15MINStopw charging(350kWGMIJrestored during 15minutes of fast charging atCalculate the battery energy Pcharge = 350kWCalculate the net energy gain per stopt64Determice the total battery energy required Ebatto complete the 500km trip with 3 stops.etc

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Answered: Meh Battery operated train Coll CD Af…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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02 2. A ix-cylinder, four-stroke cycle, marine oil engine-has cylinder dia méters of 610 mm and a piston troke of 1 25S0 mm. When the engine speod s 2 rev/s it uses 340 kg of fuel oil of calorific value 44 206-Lkg-in one hour. The cooling water amounts to 19200 kg/h, eniering at 15 C and leaving at 63 C The torque transitted at the engine coupling is 108 kN m and the indicaled mean effective pressure is 775 kN/m Determine: ta) the indicated power. ib) the brake power. (c) the percentage of the enerEY Hipplied kg ef fuel lost to the cooling water idi the brake thermal efficiency. jci the brake Hcan eflective pressure: i0 the mechanical efficiency. (g) the brake apecific fuel conumption.
Problem Solving. Solve the following problems completely. 5. Motors from two different manufacturers are being considered for application.Both motors are 50Hp, 460 volts, 3 phase, 60 cycles. Motor A operates at 80%efficiency and motor B operates at 89% efficiency. The expected need for themotor is 15 years. Motor A cost P120, 000.00 and motor B P150, 000.00.Electrical energy cost P8.00 per Kw-Hr and the motors will be operating 8 hoursper day, 250 days a year. Assume taxes and insurance are 3% of first cost. Whichmotor should be purchased?
a) Explain why some of this problems satisfy and dont satisfy the first and second law of thermodynamics. b) Explain why two cycles are unreal and one is real Ex. 2: Heat Engine A has got the following data: ain- 980 KI at TH= 800K Ks at T₁ = 300k Groot = 320 KJ Ks What= 660 43 kg Heat Engine B: Her? Engine C ( Engine the first la A B Qin = 980 KJ KS 9out= 580 15 No W₁ 440 KJ Kg thoes it satisfy Wat = 380 193 K8 Qin = 980 KJ at T₁ = 800k KS RouT= 600 KJ at T₁ = Jook KS at T₁ = 800 K at yes yes = 300k What Joves in Atify) = = (- Where) 6 (60) Dess it ratify! (=10 the 2nd Low n corret yes 0.625 0625 0.673 0.158 0.625 0.449 -0.708 TL 0,388 -0.775 Is th Cycle rest Unreal Urzeal Real
The following data refer to a 12-cylinder, single-acting, two-stroke marine diesel engine:Speed: 150 rpmCylinder diameter: 0.8mStroke of piston: 1.2 mArea of indicator diagram: 5.5x 10-4 m2Length of diagram: 0.06 mSpring value: 147 MPa per mFind the net rate of work transfer from the gas to the piston in kW.
12:38 O MENG470 - Assi... Engine friction a) Explain what do these terms mean: fmep, mfmep, pmep, amep, imep, bmep b) Write the equation relating fmep to mfmep, pmep, and amep; c) Write the equation relating fmep to imep and bmep; d) At a given engine speed, the following parameters are obtained as follows: 1600 bmep kPa 228.45 fmep kPa 124.38 mfmep kPa 29.52 amep kPa Calculate the net indicated mean effective pressure at the same engine speed. II
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Q.4 urDuring the trial of a single-cylinder, four-strok oll engine, the following tesults were obtained. Cylinder diameta Stroke Mean effective pressure Torque Speed Oil consumption Calorific value of fuel Cooling water flow rate Air used per kg of fuel Rise in cooling water tamperat ure Temperature of exhaust gaWN Room tamperat ure Mean spedfie beat of exhoust gw Specifie heat of water 20 an 40 am 6 bar 407 Nm 250 rpm 1 kg/h 13 MJ/kg 1.5 kg/min 30 kg 45 "C 120 C 20 °C I kI/kg K L.I8 kJ/kg K Find the ip.bp and draw upa heat balane sheet for the test in kl/h.
3.9 Global warming is being discussed. One argument is that the efficiency of all power plants will decrease because the ambient temperature will increase. In this problem, you the reader are asked to determine whether this argument is correct or a false alarm. Imagine a power plant operat- ing in cycles between the temperatures TH ~ 1300 K and T Assume that during the next 50 years T will increase by AT ~1 K. Examine Fig. 8.3 and note that nu is on an average of order 0.5 and that during 50 years n increases by An ~ 0.1. Show analytically how the efficiency of a power plant (n, not N1) varies with AT, and A nu. In 50 years, will n be greater or smaller than today? 300 K. (T)o nd hiah pro ccure
AM Q1: Choose the right answer The means if a sample is compressed in one direction it tends to get thicker in the lateral direction poission's ratio Hooke's Law Ductility A pressure vessel can be treated as thin- =walled when the r/t 10 10 10 or greater One of the below cycles is not under this category of Gas power cycle Brayton cycle Dual cycle Rankine cycle ||| %9A 1₁. 4

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