FUND OF ENG THERMODYN-WILEYPLUS NEXT GEN
9th Edition
ISBN: 9781119840589
Author: MORAN
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Question
Chapter 2, Problem 2.30P
To determine
Calculate how much % of the developed power goes to the driveshaft, the reason for the power difference and losses, whether the engine of this size meets transportation needs or not.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Explain the mechanical efficiency of two and four-stroke engines by showing
the parameters that you would use to measure and compare the mechanical
efficiency of two and four-stroke engines then compare the mechanical
efficiency of both two and four-stroke engines in terms of their power-to-weight
power-to-volume ratios, and revolutions per cycle.
A four-stroke, 12-cylinder diesel engine has a bore and stroke of 820 mm and 2020 mm, respectively, per cylinder. The brake mean effective pressure of each cylinder is 1.2 MPa and the engine rotates at 145 rpm. The brake thermal efficiency of the engine is 32%, the mechanical efficiency is 72% and the net calorific value of the diesel is 40.75 MJ/kg.
1. calculate the specific fuel consumption (kg/kWh) ? Answer to 3 decimal places.
2. calculate thefuel consumption (kg/h) ? Answer to 0 decimal place.
1. A four stroke diesel engine gave the following test results at a speed of 450 RPM.
Mean effective pressure - 850 kPa
Cylinder bore - 22 cm.
Stroke - 26 cm.
Specific fuel consumption - 0.32 kg/BHP.hr
Calorific value of fuel – 45000 kJ/kg.
Mechanical Efficiency = 88%
Determine the (a) BHP, (b) IHP, (c) Indicated themal efficiency, and (d) Brake thermal
efficiency.
Chapter 2 Solutions
FUND OF ENG THERMODYN-WILEYPLUS NEXT GEN
Ch. 2 - Prob. 2.1ECh. 2 - Prob. 2.2ECh. 2 - Prob. 2.3ECh. 2 - Prob. 2.4ECh. 2 - Prob. 2.5ECh. 2 - Prob. 2.6ECh. 2 - Prob. 2.7ECh. 2 - Prob. 2.8ECh. 2 - Prob. 2.9ECh. 2 - Prob. 2.10E
Ch. 2 - Prob. 2.11ECh. 2 - Prob. 2.12ECh. 2 - Prob. 2.13ECh. 2 - Prob. 2.14ECh. 2 - Prob. 2.15ECh. 2 - Prob. 2.16ECh. 2 - Prob. 2.17ECh. 2 - Prob. 2.1CUCh. 2 - Prob. 2.2CUCh. 2 - Prob. 2.3CUCh. 2 - Prob. 2.4CUCh. 2 - Prob. 2.5CUCh. 2 - Prob. 2.6CUCh. 2 - Prob. 2.7CUCh. 2 - Prob. 2.8CUCh. 2 - Prob. 2.9CUCh. 2 - Prob. 2.10CUCh. 2 - Prob. 2.11CUCh. 2 - Prob. 2.12CUCh. 2 - Prob. 2.13CUCh. 2 - Prob. 2.14CUCh. 2 - Prob. 2.15CUCh. 2 - Prob. 2.16CUCh. 2 - Prob. 2.17CUCh. 2 - Prob. 2.18CUCh. 2 - Prob. 2.19CUCh. 2 - Prob. 2.20CUCh. 2 - Prob. 2.21CUCh. 2 - Prob. 2.22CUCh. 2 - Prob. 2.23CUCh. 2 - Prob. 2.24CUCh. 2 - Prob. 2.25CUCh. 2 - Prob. 2.26CUCh. 2 - Prob. 2.27CUCh. 2 - Prob. 2.28CUCh. 2 - Prob. 2.29CUCh. 2 - Prob. 2.30CUCh. 2 - Prob. 2.31CUCh. 2 - Prob. 2.32CUCh. 2 - Prob. 2.33CUCh. 2 - Prob. 2.34CUCh. 2 - Prob. 2.35CUCh. 2 - Prob. 2.36CUCh. 2 - Prob. 2.37CUCh. 2 - Prob. 2.38CUCh. 2 - Prob. 2.39CUCh. 2 - Prob. 2.40CUCh. 2 - Prob. 2.41CUCh. 2 - Prob. 2.42CUCh. 2 - Prob. 2.43CUCh. 2 - Prob. 2.44CUCh. 2 - Prob. 2.45CUCh. 2 - Prob. 2.46CUCh. 2 - Prob. 2.47CUCh. 2 - Prob. 2.48CUCh. 2 - Prob. 2.49CUCh. 2 - Prob. 2.50CUCh. 2 - Prob. 2.51CUCh. 2 - Prob. 2.52CUCh. 2 - Prob. 2.53CUCh. 2 - Prob. 2.54CUCh. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10PCh. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - Prob. 2.34PCh. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - Prob. 2.40PCh. 2 - Prob. 2.41PCh. 2 - Prob. 2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. 2.45PCh. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - Prob. 2.52PCh. 2 - Prob. 2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. 2.55PCh. 2 - Prob. 2.56PCh. 2 - Prob. 2.57PCh. 2 - Prob. 2.58PCh. 2 - Prob. 2.59PCh. 2 - Prob. 2.60PCh. 2 - Prob. 2.62PCh. 2 - Prob. 2.63PCh. 2 - Prob. 2.64PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - Prob. 2.67PCh. 2 - Prob. 2.68PCh. 2 - Prob. 2.69PCh. 2 - Prob. 2.70PCh. 2 - Prob. 2.71P
Knowledge Booster
Similar questions
- The shaft rotational speed of a 3.0Li Gasoline engine operating on a 4 stroke cycle is 3000rpm. Determine the engine's volume displacement.arrow_forwardPart (a) Find the efficiency of an ideal engine operating between these reservoirs. Remember the efficiency is unit-less, therefore so should your number be as well. ( Party a was incorrect can you try again ) Part (d) What if the actual work done (more realistically) is W = 290 J during a single cycle; what is the efficiency of this engine if the energy input is the same (again, the number should be unit-less)? Part (e) What is equation for the new power output per cycle (in Watts) of this new (and more realistic) engine?arrow_forwardA turbo generator rotating mass has a moment of inertia of 555 hyls/ m2. It is delivering 2500 kw at 1800 rpm. The load then suddenly increases to 2550 kw, the developed steam power remaining unchanged. What is the resulting speed in rpm after 10 seconds? 3311.381 3113.381 O 1133.381 O 1331.381arrow_forward
- The volumetric efficiency of a certain piston pump is 97%. If the pump delivers 14 L/min at 1200 rpm, find the Volumetric displacement of the pump. A system requires a pump to deliver 30 gal/min at 1500 lbf/in2 at an engine speed of 2000 rpm. calculate theoretical pump displacement, engine torque to drive the unit, and horsepower. A piston pump operating at 1,150 rpm and 3000 Ibf/in2 delivers fluid at 10 gal/min. If the pump has an overall efficiency of 94%. What is the input torque from the driving unit? A pump operating at 2,000 Ibf/in? and delivering 5 gal/min requires 7 bhp to drive the input shaft. Compute the overall efficiency of the pump.arrow_forwardA multi-cylinder engine is to run at a speed of 600 r.p.m. On drawing the crank-effort diagram to scale of 1 cm = 2452.5 N-m and 1 cm = 30°, the areas above and below the mean torque line in sq.cm. are as follows: +1.6, –1.72, +1.68, –1.91, +1.97 and -1.62. The speed is to be kept within ±1% of the mean speed of the engine. Calculate the necessary moment of inertia of the flywheel. Determine the suitable dimensions of a rectangular flywheel rim, if the breadth is twice the thickness. The density of the cost- iron is 725 gm/cm³ and its hoop stress is 588.6 N/cm?. Assume that the rim contributes 92% of the flywheel effect. %3Darrow_forwardCalculate the blade length of a wind turbine rotor which produces a maximum power of 1.1 kW at a wind speed of 5.16 Km/Hr. Use air density as 1.23 Kg/m³, generator efficiency as 61%, gearbox efficiency as 0.59 and power coefficient of blades as 0.38.arrow_forward
- The following data relate to a single-cylinder reciprocation engine:arrow_forward4. A single cylinder four stroke diesel engine works on the following data: Cylinder bore =15 cm, stroke = 25 cm, speed= 250 rpm; area of indicator diagram = 6 cm²; length of indicator diagram = 9 cm; spring constant = 7.5 bar/cm; BSFC= 0.24 kg/kWh; CV of fuel = 42000kj/kg; diameter of brake wheel = 70 cm; rope diameter = 3.5 cm ; brake load= 40kg (392.4 N), Calculate the following performance parameter a. Brake power b. Indicated mean effective pressure c. Indicated power d. Mechanical efficiency e. Indicated thermal efficiencyarrow_forward1 A four-stroke gas engine has a bore of 20 cm and stroke of 30 cm and runs at 300 rpm firing every cycle. If air-fuel ratio is 4:1 by volume and volumetric efficiency on NTP basis is 80%, determine the volume of gas used per minute. If the calorific value of the gas is 8 MJ/m3 at NTP and the brake thermal efficiency is 25% determine the brake power of the engine.arrow_forward
- V2arrow_forwardA pump has a displacement volume of 6 in^3. It delivers 24 gpm at 1000 rpm and 1000 psi. If the prime mover input torque is 1100 in • lb, what is the theoretical torque required to operate the pump in in-lbs?Answer: 955 ± 1.arrow_forwardDetermine nozzle angle, blade angles at inlet and exit for a single stage impulse steam turbine developing 132 kW, speed of 3340 rpm, mean rotor diameter of 1 m, steam flow rate of 2 kg/s, blade velocity coefficient of 0.9, steam leaving nozzle at 400 m/s and steam discharges axially from turbine.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY