At what equivalence ratio for octane-air mixtures

Assignment Help Mechanical Engineering
Reference no: EM13707404

At what equivalence ratio for octane-air mixtures does the carbon to oxygen ratio of the system equal one? Why is this of interest?

Reference no: EM13707404

Questions Cloud

Determine the heat loss or gain during this process : A piston-cylinder device contains helium gas initially at 145 kPa, 20 degrees C, and 0.5 m^3. The helium is now compressed in a polytropic process (PV^n = constant) to 400 kPa and 140 degrees C. Determine the heat loss or gain during this process.
Determine the final pressure of the gas : Helium gas is contained in a rigid vessel of 0.5 m3 at 500 kPa. The gas is agitated violently by a stirrer that transfers 250 kJ of work to the gas. Assuming that the system undergoes an adiabatic process, determine the final pressure of the gas. Ass..
What is the pressure inside the tire : The pressure in a tire depends on the temperature of the air in the tire. The gage pressure of an automobile tire with a volume of 0.025 m3 is measured to be 210 kPa at 25 oC at sea level on a day with calm weather. If the temperature of the air in t..
Determine heat transferred to and work produced by steam : Steam at 75 kPa and 13 percent quality is contained in a spring-loaded piston-cylinder device, as shown in the figure, with an initial volume of 5.28 m^3. Steam is now heated until its volume is 13.20 m^3 and its pressure is 300 kPa.
At what equivalence ratio for octane-air mixtures : At what equivalence ratio for octane-air mixtures does the carbon to oxygen ratio of the system equal one? Why is this of interest?
A piston-cylinder device contains helium gas : A piston-cylinder device contains helium gas initially at 145 kPa, 20 degrees C, and 0.5 m^3. The helium is now compressed in a polytropic process (PV^n = constant) to 400 kPa and 140 degrees C. Determine the heat loss or gain during this process.
Ice forms on a duct transporting liquid nitrogen : Ice forms on a duct transporting liquid nitrogen. The duct consists of a circular hole, with diameter D=0.5 m, surrounded by square insulation, width=0.95 m, and thermal conductivity k=0.223 W/m*K. The inside of the duct is maintained at the boiling ..
Elevator starting from rest accelerates : If an elevator starting from rest accelerates at 10m/s and then decelerates at -1m/s until it reaches the top floor (ignore gravitational acceleration, assume g=0. Plot the corresponding a-t, v-t and s-t graphs.
Determine the initial volume of the cylinder : A mass of 0.5 g of air is contained in a piston-cylinder device. Initially the system is at 100 kPa and 25°C. The system is now compressed adiabatically to a volume 17 times smaller and a temperature of 700 K.

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Determine the tension in rope ab

rope AB an AC are thrown to a boater whose canoe has capsized.Given that the angle is 25 and the magnitude of the force FR exerted by the river on the boater is 70N determine the tension in rope AB , in rope AC.

  What angle acompensates for the wind such that the shell

a fireworks shell is launched vertically from point a with speed sufficient to reach a maximum altitude of 500 ft. a

  A pump steadily delivers 152 kgs of water at the conditions

a pump steadily delivers 15.2 kgs of water at the conditions given below. calculate the pump power kw. there is no heat

  Estimate the time and distance required to decelerate the

an aircraft is slowed after landing by dual parachutes deployed from the rear. each parachute is 3.66m in diameter. the

  For the given chemical reaction calculate the net effect

for the given chemical reaction calculate the net effect due to changing from the standard state at 298 k to 2 bar and

  Determine expressions for attractive and repulsive energies

determine the expressions for attractive and repulsive energies, EA and ER as a functions of r where r is in nm and E is in eV.

  Consider an air-standard otto cycle what is the efficiency

consider an air-standard otto cycle. what is the efficiency of the otto cycle if the compression ratio is 10 and the

  A pistoncylinder system contains superheated vapor

a pistoncylinder system contains superheated vapor initially at 400c and 600 kpa. the system is cooled at constant

  The steam exits at a temperature of t220 degrees find the

steam at t1600 degrees c p115 mpa enters a reversible and adiabatic turbine at a flow rate of 300 kgs. the steam exits

  Steam engine functions by converting liquid water to steam

A steam engine functions by converting liquid water to steam, which is then used to drive a rotating shaft. This engine contains 2 engineering devices: the boiler where the liquid water is converted to steam and the turbine where the steam is used to..

  A heat pump absorbs heat from the cold outdoors at 3 c and

a heat pump absorbs heat from the cold outdoors at 3 c and supplies heat to a house at 20 c at a rate of 30000 kjh. if

  The police officer can only obtain a value for the angle

a radar speed-measurement device for state police is said to have an uncertainty of - 4 when directed straight at an

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd