Fundamentals of Engineering Thermodynamics
Fundamentals of Engineering Thermodynamics
8th Edition
ISBN: 9781118412930
Author: Michael J. Moran, Howard N. Shapiro, Daisie D. Boettner, Margaret B. Bailey
Publisher: WILEY
Question
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Chapter 9.14, Problem 1E
To determine

Whether the diesel engine produces higher torque than the gasoline engine or not.

Expert Solution & Answer
Check Mark

Explanation of Solution

Diesel engines are the internal combustion engines in which the fuel is ignited through the high temperature of the air after an adiabatic compression process.

Gasoline engines are the internal combustion engines that use external source to ignite the fuel in the cylinder.

The diesel engines produce higher torque than gasoline engine due to the following reasons:

  1. 1. The compression ratio of the diesel engine is much higher than the gasoline engines. The high compression ratio results in higher peak pressure in the combustion chamber. This high pressure produces higher torque on the crankshaft compared to the gasoline engines.
  2. 2.  The air-fuel mixture in a diesel engine gets ignited automatically when it is compressed to a high value of temperature and pressure. This combustion produces a surge of energy at an instant due to which a high value of torque is produced.
  3. 3. The diameter of the crankshaft in diesel engines are larger compared to gasoline engines. As the diameter is directly proportional to the torque applied hence the torque in diesel engines are also higher.

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Chapter 9 Solutions

Fundamentals of Engineering Thermodynamics

Ch. 9.14 - Prob. 11ECh. 9.14 - Prob. 12ECh. 9.14 - Prob. 13ECh. 9.14 - Prob. 14ECh. 9.14 - Prob. 15ECh. 9.14 - Prob. 16ECh. 9.14 - Prob. 17ECh. 9.14 - 1. The thermal efficiency expression given by Eq....Ch. 9.14 - Prob. 2CUCh. 9.14 - Prob. 3CUCh. 9.14 - 4. For a specified compression ratio, and assuming...Ch. 9.14 - Prob. 5CUCh. 9.14 - Prob. 6CUCh. 9.14 - 7. The value of the back work ratio of a Brayton...Ch. 9.14 - Prob. 8CUCh. 9.14 - Prob. 9CUCh. 9.14 - Prob. 10CUCh. 9.14 - Prob. 11CUCh. 9.14 - Prob. 12CUCh. 9.14 - Prob. 13CUCh. 9.14 - 14. Referring to Example 9.4, on the basis of a...Ch. 9.14 - Prob. 15CUCh. 9.14 - Prob. 16CUCh. 9.14 - Prob. 17CUCh. 9.14 - Prob. 18CUCh. 9.14 - 19. Sketch a Carnot gas power cycle on the p–υ and...Ch. 9.14 - Prob. 20CUCh. 9.14 - Prob. 21CUCh. 9.14 - Prob. 22CUCh. 9.14 - Prob. 23CUCh. 9.14 - Prob. 24CUCh. 9.14 - Prob. 25CUCh. 9.14 - Prob. 26CUCh. 9.14 - Prob. 27CUCh. 9.14 - Prob. 28CUCh. 9.14 - Prob. 29CUCh. 9.14 - Prob. 30CUCh. 9.14 - Prob. 31CUCh. 9.14 - Prob. 32CUCh. 9.14 - Prob. 33CUCh. 9.14 - Prob. 34CUCh. 9.14 - Prob. 35CUCh. 9.14 - Prob. 36CUCh. 9.14 - Prob. 37CUCh. 9.14 - Prob. 38CUCh. 9.14 - Prob. 39CUCh. 9.14 - Prob. 40CUCh. 9.14 - Prob. 41CUCh. 9.14 - Prob. 42CUCh. 9.14 - Prob. 43CUCh. 9.14 - Prob. 44CUCh. 9.14 - Prob. 45CUCh. 9.14 - Prob. 46CUCh. 9.14 - Prob. 47CUCh. 9.14 - Prob. 48CUCh. 9.14 - Prob. 49CUCh. 9.14 - Prob. 50CUCh. 9.14 - Prob. 1PCh. 9.14 - Prob. 3PCh. 9.14 - Prob. 5PCh. 9.14 - Prob. 6PCh. 9.14 - Prob. 7PCh. 9.14 - Prob. 8PCh. 9.14 - Prob. 10PCh. 9.14 - Prob. 11PCh. 9.14 - Prob. 12PCh. 9.14 - Prob. 13PCh. 9.14 - Prob. 14PCh. 9.14 - Prob. 15PCh. 9.14 - Prob. 16PCh. 9.14 - Prob. 17PCh. 9.14 - Prob. 18PCh. 9.14 - 9.19 Referring again to Fig. P9.18, let p1 = 1...Ch. 9.14 - Prob. 20PCh. 9.14 - Prob. 21PCh. 9.14 - Prob. 22PCh. 9.14 - Prob. 23PCh. 9.14 - Prob. 24PCh. 9.14 - Prob. 25PCh. 9.14 - Prob. 26PCh. 9.14 - Prob. 27PCh. 9.14 - Prob. 28PCh. 9.14 - Prob. 29PCh. 9.14 - Prob. 30PCh. 9.14 - Prob. 34PCh. 9.14 - Prob. 35PCh. 9.14 - Prob. 36PCh. 9.14 - Prob. 41PCh. 9.14 - 9.42 An ideal air-standard Brayton cycle operating...Ch. 9.14 - Prob. 45PCh. 9.14 - 9.46 Air enters the compressor of an ideal cold...Ch. 9.14 - Prob. 48PCh. 9.14 - Prob. 49PCh. 9.14 - 9.50 Air enters the compressor of an ideal...Ch. 9.14 - 9.53 The cycle of Problem 9.42 is modified to...Ch. 9.14 - 9.54 Air enters the compressor of an air-standard...Ch. 9.14 - 9.55 Air enters the compressor of a simple gas...Ch. 9.14 - Prob. 56PCh. 9.14 - 9.57 Air enters the compressor of a simple gas...Ch. 9.14 - 9.58 Air enters the compressor of a simple gas...Ch. 9.14 - 9.59 An ideal air-standard regenerative Brayton...Ch. 9.14 - Prob. 60PCh. 9.14 - Prob. 61PCh. 9.14 - 9.62 Air enters the compressor of a cold...Ch. 9.14 - Prob. 65PCh. 9.14 - Prob. 66PCh. 9.14 - Prob. 67PCh. 9.14 - 9.68 Fig. P9.68 illustrates a gas turbine power...Ch. 9.14 - Prob. 69PCh. 9.14 - 9.70 Air enters the turbine of a gas turbine at...Ch. 9.14 - Prob. 72PCh. 9.14 - Prob. 73PCh. 9.14 - 9.74 Air enters the compressor of a cold...Ch. 9.14 - 9.75 Air enters a two-stage compressor operating...Ch. 9.14 - 9.76 Air enters a two-stage compressor operating...Ch. 9.14 - 9.78 Air enters a compressor operating at steady...Ch. 9.14 - 9.79 Air enters the first compressor stage of a...Ch. 9.14 - 9.80 An air-standard regenerative Brayton cycle...Ch. 9.14 - 9.81 Air enters the compressor of a cold...Ch. 9.14 - 9.82 An air-standard Brayton cycle produces 10 MW...Ch. 9.14 - Prob. 83PCh. 9.14 - 9.84 Combining the features considered in Problem...Ch. 9.14 - 9.85 Air at 26 kPa, 230 K, and 220 m/s enters a...Ch. 9.14 - 9.87 Air enters the diffuser of a turbojet engine...Ch. 9.14 - Prob. 88PCh. 9.14 - Prob. 89PCh. 9.14 - Prob. 90PCh. 9.14 - Prob. 91PCh. 9.14 - Prob. 92PCh. 9.14 - Prob. 93PCh. 9.14 - Prob. 94PCh. 9.14 - Prob. 95PCh. 9.14 - Prob. 96PCh. 9.14 - Prob. 97PCh. 9.14 - Prob. 98PCh. 9.14 - Prob. 99PCh. 9.14 - Prob. 101PCh. 9.14 - Prob. 102PCh. 9.14 - Prob. 103PCh. 9.14 - Prob. 104PCh. 9.14 - Prob. 105PCh. 9.14 - Prob. 106PCh. 9.14 - Prob. 107PCh. 9.14 - Prob. 108PCh. 9.14 - Prob. 109PCh. 9.14 - Prob. 110PCh. 9.14 - Prob. 111PCh. 9.14 - Prob. 112PCh. 9.14 - Prob. 113PCh. 9.14 - Prob. 114PCh. 9.14 - Prob. 115PCh. 9.14 - Prob. 117PCh. 9.14 - Prob. 118PCh. 9.14 - Prob. 120PCh. 9.14 - Prob. 121PCh. 9.14 - Prob. 122PCh. 9.14 - Prob. 123PCh. 9.14 - Prob. 124PCh. 9.14 - Prob. 125PCh. 9.14 - Prob. 126PCh. 9.14 - Prob. 127PCh. 9.14 - Prob. 129PCh. 9.14 - 9.130 Steam expands isentropically through a...Ch. 9.14 - Prob. 131PCh. 9.14 - Prob. 132PCh. 9.14 - Prob. 133PCh. 9.14 - 9.134 A converging–diverging nozzle operates at...Ch. 9.14 - Prob. 135PCh. 9.14 - Prob. 137PCh. 9.14 - Prob. 138PCh. 9.14 - Prob. 139PCh. 9.14 - 9.140 Air as an ideal gas with k = 1.4 enters a...
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