An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and cv = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1bar, V₁ = 0.5x10-³ m³, T₁ = 300k State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K P 3 What is the specific heat transfer from state 1-2? Please enter your answer in kJ/kg Answer:

An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and cv = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1bar, V₁ = 0.5x10-³ m³, T₁ = 300k State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K P 3 What is the specific heat transfer from state 1-2? Please enter your answer in kJ/kg Answer:

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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Steam undergoes a regenerative cycle at: p1=5.6MPa t1=450°C p2=4MPa P3=3MPa p4=2MPa p5=1 MPa p6=0.5 MPa Calculate the efficiency of the cycle and engine and the heat rejected.
An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and cv = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1bar, V₁ = 0.5x10-³ m³, T₁ = 300K State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K Р 3 Answer: 2 What is the specific internal energy at state 2? Please enter your answers in kJ/kg.
Two ideal Brayton cycles (see Figure below) have the same inlet temperature and the same maximum temperature of the turbine inlet. Brayton Cycle A has a higher compression ratio than Cycle B. Which of the following statements is true about the cycles? Cycle A has a higher thermal efficiency and Cycle B has a higher work net for a given mass flow rate. Cycle B has a higher thermal efficiency and a higher work net for a given mass flow rate. Since the temperatures are the same the efficiencies and work net are also the same. Cycle A has a higher work net for a given mass flow rate and Cycle B has a higher thermal efficiency. Cycle A has a higher thermal efficiency and a higher work net for a given mass flow rate.
An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and c, = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1bar, V₁ = 0.5x10-3 m³, T₁ = 300K State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K Р What is the specific heat transfer from state 3-4? Please enter your answer in kJ/kg Answer:
An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and cv = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1bar, V₁ = 0.5x10-3 m³, T₁ = 300K State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K Р 3 Answer: 1 V What is the volume at state 2? Please enter your answers in m³.
An Otto cycle engine operates with the cycle shown below. The air in the engine can be considered a perfect gas with k = 1.402, R = 0.28 kJ/kgk and cv = 0.71 kJ/kgK. The engine has the following known states: State 1: p₁ = 1 bar, V₁ = 0.5x10-3 m³, T₁ = 300K State 2: T₂ = 725K, rc = 9 State 3: T3 = 2196.1 K P 3 Answer: 2 4 What is the specific heat transfer from state 2 to 3? Please enter your answer in kJ/kg
. Exercise 2 Compute the efficiency of the cycle shown in the figure below, under the assumption that the fluid used is an ideal diatomic gas. The A → B transformation is isothermal, the B →C transformation is isochoric and the C→ A transformation is adiabatic. The compression ratio VB/VA = 3. B V
3. What are the four major accessories of a Rankine Cycle? Define each.
In a 4-stroke ideal diesel cycle; The cylinder volume is 0.96 liters when the piston is in bottom dead center, and the cylinder volume is 0.06 liters when it is in top dead center. At the beginning of compression, the temperature is T1 = 336 K, P1 = 98 kPa. 1.64 kJ / cycle heat is released as a result of combustion. The mechanical efficiency of the 6-cylinder engine operating at n = 1860 rpm is m = 0.84. Since Cv = 716.5 J / kg K, Cp = 1003.5 J / kg K, R = 287.13 J / kg K; a) Thermodynamic values at the cycle points, b) Effective power of the engine.
For a Rankine cycle, increasing maximum temperature while holding all other parameters constant will allow an engineer to make the following statements Group of answer choices Quality at the turbine exit will decrease increasing liquid water content and causing turbine erosion. Quality at the turbine exit will increase and improve turbine durability. Increasing maximum temperature increases the average temperarture at which heat is added and will increase thermal efficiency Increasing maximum tempearture will decrease required mass flow rate for a specified power output.
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