Question
In: Mechanical Engineering
One kg of Methance (CH4) is burned with 200% theoretical air. What is the air fuel...
One kg of Methance (CH4) is burned with 200% theoretical air. What is the air fuel ratio on a mass basis?
Solutions
samet mamat answered 2 years agoRelated Solutions
Ethane gas (C2H6) is burned with air. The fuel flow rate is 0.1 kg/s and the...
Ethane gas (C2H6) is burned with air. The
fuel flow rate is 0.1 kg/s and the air flowrate is 2.2 kg/s.
Ethane’s enthalpy of formation is -84,680 kJ/kmol. Determine:
The equivalence ratio
Ethane’s lower heating value by deriving it from enthalpy of
formation data.
The heat release rate, in kW.
The mass fraction of oxygen in the products.
The mass of CO2 emitted per 1000 hours of operation.
The mass of fuel burned per 1000 hours of operation.
The adiabatic...
Methane gas (CH4) is burned in a combustor with a given percentage of excess air. The...
Methane gas (CH4) is burned in a combustor with a given
percentage of excess air. The pressure and temperature of both the
air and fuel are 101 kPa and 298 K respectively. Assume that the
mole fractions are 79% nitrogen and 21 % oxygen for air (use
M=28.97 kg/kmol and R=0.287 kJ/kg-K) and that water is a vapor in
the exhaust. Given the values below, determine the following:
--Given Values--
m_fuel (kg) = 100
Excess Air = 25%
a) Determine...
A fuel gas containing methane and ethane is burned with air in a furnace, producing a...
A fuel gas containing methane and ethane is burned with air in a
furnace, producing a stack gas at 300.°C and 105 kPa (absolute).
You analyze the stack gas and find that it contains no unburned
hydrocarbons, oxygen, or carbon monoxide. You also determine the
dew-point temperature.
(a) Estimate the range of possible dew-point temperatures by
determining the dew points when the feed is either pure methane or
pure ethane.
(b) Estimate the fraction of the feed that is methane...
A fuel gas containing methane and ethane is burned with air in a furnace, producing a...
A fuel gas containing methane and ethane is burned with air in a
furnace, producing a stack gas at 300 ° C and 105 kPa (absolute).
You analyze the stack gas and find that it contains no unburned
hydrocarbons, oxygen, or carbon monoxide. You also determine the
dew-point temperature.
(a) Estimate the range of possible dew-point temperatures by
determining the dew points when the feed is either pure methane or
pure ethane.
(b) Estimate the fraction of the feed that...
Octane is burned completely with theoretical air in a steady-flow process at a constant pressure of...
Octane is burned completely with theoretical air in a
steady-flow process at a constant pressure of 100 kPa. The products
of combustion are cooled to 25 C. Calculate the number of kg of H2O
which will condense per kg of fuel.
C4h10 fuel is burned in the cylinder with 150% corporate air powered by SI engine. The...
C4h10 fuel is burned in the cylinder with 150% corporate air
powered by SI engine. The temperature and pressure at the start of
combustion are 650 K and 1900 kPa, respectively. The exhaust
temperature leaving the cylinder at the end of combustion is 1100K.
So what is the Fuel / Air ratio (FA)? C = 12 H = 1 N = 14 O =
16
Ethane (C2H6) is burned with air in a steady-flow combustor. The mass flow rate of fuel...
Ethane (C2H6) is burned with air in a
steady-flow combustor. The mass flow rate of fuel entering the
combustor is 0.57 kg/s and the equivalence ratio is 0.64. The fuel
enters at 25oC and the air enters at 500 K.
Determine:
The heat release rate, in kW.
The mass flow rate of air, in kg/s.
The mole fraction of O2 in the products.
The mass fraction of CO2 in the products.
The total mass of CO2 produced per year (365...
100 m3 of a fuel oil are burned per hour with 20 percent excess air in...
100 m3 of a fuel oil are burned per hour with 20 percent excess
air in a steam generator. The fuel oil has a density of 926 kg/m3
and the following mass composition: 87% C, 12% H2, 1% S. Air enters
the boiler at 100 kPa and 15 °C. Determine the following:
(a). The volumetric flow rate of the air (m3 /min) fed to the
boiler;
(b). The flue gas molar composition on a dry basis, reporting
all constituents to...
Liquid phenol at 298 k, 100kPa is burned with 152% theoretical air at 295k, 100kPa. Determine...
Liquid phenol at 298 k, 100kPa is burned with 152%
theoretical air at 295k, 100kPa. Determine the adiabatic flame
temperature. Enthalpy of liquid phenol is given as -96,232
kJ/kmol
Calculate the theoretical flame temperature for CO gas burned at constant pressure with 100% excess air,...
Calculate the theoretical flame temperature for CO gas burned
at constant pressure with 100% excess air, when the reactants enter
at 100°C.
Please show work, do not copy the
solution founded. show your solution! if you can not answer this
question, then do not attempt to copy others' work.
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