A cold-air standard diesel cycle has a cut-off ratio of 2.4. The temperature and pressure at the end of the expansion process are 48 psia and 1830 R, respectively. Each cycle rejects 346 Btu of heat. If the pressure and volume at the beginning of the heat addition process are 700 psia and 1.0 ft3, determine the (a) heat added per cycle, in Btu (b) net work, in Btu (c) maximum temperature in the cycle, in R (d) thermal efficiency, in % (e) mean effective pressure, in psia, and (f) the compression ratio. Use ??= 0.718 kJ/kg-K, ??= 1.005 kJ/kg-K and ?= 1.4.
A cold-air standard diesel cycle has a cut-off ratio of 2.4. The temperature and pressure at the end of the expansion process are 48 psia and 1830 R, respectively. Each cycle rejects 346 Btu of heat. If the pressure and volume at the beginning of the heat addition process are 700 psia and 1.0 ft3, determine the (a) heat added per cycle, in Btu (b) net work, in Btu (c) maximum temperature in the cycle, in R (d) thermal efficiency, in % (e) mean effective pressure, in psia, and (f) the compression ratio. Use ??= 0.718 kJ/kg-K, ??= 1.005 kJ/kg-K and ?= 1.4.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A cold-air standard diesel cycle has a cut-off ratio of 2.4. The temperature and pressure at the end of the expansion process are 48 psia and 1830 R, respectively. Each cycle rejects 346 Btu of heat. If the pressure and volume at the beginning of the heat addition process are 700 psia and 1.0 ft3, determine the (a) heat added per cycle, in Btu (b) net work, in Btu (c) maximum temperature in the cycle, in R (d) thermal efficiency, in % (e) mean effective pressure, in psia, and (f) the compression ratio. Use ??= 0.718 kJ/kg-K, ??= 1.005 kJ/kg-K and ?= 1.4.
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