Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in kPa. A) 3380.02 B 4431.27 C) 2528.92 D 3675.83

Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in kPa. A) 3380.02 B 4431.27 C) 2528.92 D 3675.83

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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Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine p2 in kPa.
2.18
The state at the beginning of compression of an air-standard Diesel cycle is fixed by p₁ = 100 kPa and T₁ = 310 K. The compression ratio is 18 and the cutoff ratio is 1.9. Determine: (a) the maximum temperature, in K. (b) the pressure at the end of the expansion, in kPa. (c) the net work per unit mass of air, in kJ/kg. (d) the percent thermal efficiency.
can you draw and schematic and t-s fiagram for this actual reheat rankine cycle State 1: Status: Saturated Liquid 30 kPa From Table A5 when ʋ1=ʋf = 0.001022 m3/kg h1=hf = 289.27 kJ/kg State 2a: Status: Compressed liquid P2s=PH= 6000 kPa h2a= 296.04 kJ/kg [ WP, ise= Wpact = State 3 Status: Superheated Steam P3=PH=6000kpa T3=Tmax= 550°C From Table 6A, When = 6000 kPa and =550 =3423.1 kJ/Kg =6.8826 kJ/Kg⸼K
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 314 K, with a volumetric flow rate of 5 m3/s. The compressor pressure ratio is 9:1. The turbine inlet temperature is 1400 K. Take Specific heat at constant pressure and constant volume for air as 1.006 kJ/kg K and 0.717 kJ/kg K respectively. Calculate the compressor exit absolute temperature to one decimal place and place the correct unit. Use the cold air-standard assumption.
Air enters the compressor of an ideal air-standard Brayton cycle at 80 kPa, 299 K, with a volumetric flow rate of 6.1 m3/s. The compressor pressure ratio is 7. The turbine inlet temperature is 1886 K. Adopting the cold air-standard assumption, calculate: the mass flow rate of air to 3 d.p. in SI unit and privide unit symbol. Take the gas constant as 289 J/kg.K
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below. The states are numbered as in Fig. 9.5 with p1 = 100 kPa, T1 = 340 K, and T3 = 4850.3 K, r = 12 and rc = 2. For n = 1.3, cv = 0.718 kJ/(kg-K), and cp = 1.005 kJ/(kg-K), determine the heat transfer during heat addition process per unit mass in kJ/kg. A) 3865.1 B) 4104.58 C) 3838.71 (D) 4154.44
At the beginning of compression in the otto engine cycle, P1= 101.35 kPa, T1 = 21 deg.C and Vi = 0.113 m². At the end of the compression process the pressure is 551.58 kPa. If 174.5 kJ/kg are added during the constant volume reversible. Heating process and the values of k and R for air are 1.4 and 0.287 kJ/kg.deg.K respectively. 2. a. Draw the P-V Diagram b. Draw the T-S Diagram c. Find the temperature at the end of compression d. Find the temperature at the beginning of expansion e. Find Heat removed f. Find the compression ratio g. Find the thermal efficiency
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