14 Caculde Q t for HheOtto Cycle AND desel cycleUsingthe following Conditions!Th= 2000 KCompression Ratro okto =10Compression Ratio diesel = 15Tc=423.15 K%D%3DWner = QQc(heat ab sorbadi From Hot resorvior(het expelledtoCold re servxrAnswer:2.H(dresal)1(otto) Otto:Pressure vs. volumeCadiabatic processB- isochoric processDAvolume (arbitrary units)Diesel:Pressure vs. volumeв сadiabatic process- isobaric processDisochoric processAvolume (arbitrary units)pressure (arbitrary units)pressure (arbitrary units)

Answered: Image /qna-images/answer/ad0d1355-fc12-453b-968f-2996b843e1af.jpg

Answered: Caculde Q t for Hhe Otto Cycle AND…

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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no. 3 question: A diesel engine powers a boat. The engine’s cylinders each have a compression ratio (Vmax/Vmin) of 12 and the Vmax is 4ft3. If 1 cylinderis in the isobaric compression stroke, find the final temperature if the initial temperature is 540F Main question: From number 3, if the gas tankaccident happened on top of Mt. Everest’s summit where patm is only 33.7 kpa and the readings obtained are the same, find the new finaltemperature
A 3.6 liter, 4 cylinder engine with a compression ratio of 12 operates on an airstandard constant volume combustion cycle (with specific heat ratio, k=1.35). Theconnecting rod length-to-crank offset ratio is 4. The maximum cycle temperature andpressure are 2400 K and 10000 kPa. The engine is operating at 3000 rpm. The exhaustvalve opens at 45° bBDC for blowdown to an exhaust pressure of 94 kPa. Determinethe average mass flow rate of the exhaust gas during the blowdown period, in kg/s.
The steam rate to a turbine for variable output is controlled by a throttle valve in the inlet line.Steam is supplied to the throttle valve at 1,700 kPa and 225°C. During a test run, the pressure atthe turbine inlet is 1000 kPa, the exhaust steam at 10 kPa has a quality of 0.95, the steam flowrate is 0.5 kg/s, and the power output of the turbine is 180kW. 1. What are the heat losses from the turbine? 2. What would be the power output if the steam supplied to the throttle valve were expandedisentropically to the final pressure?
A turbojet-powered aircraft is flying at 220 m/s and 8000-m altitude, where the ambient temperature and pressure are 236K and 35kPa, respectively.The pressure ratio of the compressor is 6 and the turbine inlet temperaturer is 970k. Estimate the thrust developed by the engine when the air flow rate is 55kg/s. employ an air standard-cycle analysis using the constant-pressurree specific heat c_p and specific heat ratio γ for air and neglecting the fuel properties.
ANSWER D & E The air in an ideal Otto engine is initially at 14.5 psia, 100 deg F. At the end ofisentropic compression, the pressure is 352 psia; at the end of combustion, thepressure is 1100 psia. Find (a) rk, (b) the percentage clearance, (c) T3, (d) e,and (e) If the sink temp is 100 deg F what percentage of the available part ofthe heat added was utilized?
A standard Otto air cycle has a r=8 compression ratio. Initially, theCompression temperature is 27ºC and the pressure is 100 kPa. The heat supplied is 3MJ/Jg. Data k= and R=287 J/kg. K and imagining that the cycle represents a 4T engine of displacement of 1600 cm³, at 3600 rpm, determine a) The efficiency of the cycle b) The properties p, T and v at each point
John’s automobile has a three-liter SI-V6 engine that operates on a four-stroke cycle at 3600 RPM. The compression ratio is 9.5, the length of connecting rods is 16.6 cm, and the engine is square (B=S). at this speed, combustion ends at 20o at T.D.C. This engine is connected to Dynamometer which gives a brake output torque reading of 205 N-m. At his speed, air enters the cylinders at 85 kPa and 60o C, and the mechanical efficiency of the engine is 85%. Calculate: (a) Brake power, HP || (b) Indicated Power, HP || (c) Brake Mean Effective Pressure, Bmep , Psia || (d) Indicated Mean Effective Pressure, Imep, Psia || (e) Friction Mean Effective Pressure, Fmep, Psia
Combustion gases with k=1.35, Cp =1107 J/(kg.K) and R= 287 J/(kg.K) flow at stagnation pressure and stagnation temperature of 390kPa and 1150 K respectively, flow through a 90o IFR turbine to an exit static pressure of 100 kPa. The total to static efficiency is 80% and the flow leaves the stator choked (Mach Number=1). The relative velocity at the inlet to the rotor is radial and the flow leaves the turbine without a swirl. Find (a) the work delivered per unit flow rate, (b) the impeller tip velocity and (c) the flow angle at the inlet to the rotor.
Answer MCQ During stagnation process, kinetic energy of the fluid is converted to a. Enthalpy b. Entropy c. Pressure When the fuel is burned and the water appoars in the vapour phase, the heating value of fuel is called a. Enthalpy of formation b. Higher heating value C. Lower heating value
It is desired to increase the compression ratio of spark ignition engine for 8 to 10. Assuming a ratio of constant pressure to constant volume specific heat to be 1.3, what will happen to the effeciency of the engine.?
Give: Otto cycle Compression ratio = 9 Intake air is at 100kpa and 20°C Maximum cylinder volume = 500 cm^3 Temperature at the end of the adiabatic compression = 800 K CP = 1.01kJ/kgk, Cv = 0.718 kJ/kg, k = 1.4, R = 287.1 J/kgk m= 0.000595 T3 = 1926
e. What is Rankine cycle and how it is created from modification in Carnot Cycle, elaborate with the help of diagram?

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