'n Verbrandingskamer bestaan uit' n buis verbrandingskamer van 15 [cm] in deursnee, Saan lug vloei in die buis by 550 [K], 480 [kPa] en 80 [m/s] in, Brandstof met 'n hitte waarde van 42 [kJ/kg] word in die lug ingespuit en is met' n lug-brandstof verhouding van 40, Benader die o proses as 'n hitte-oordrag tot lug, Aanvaar k = 1,4 cp = 1,005 [kJ/kg-K] en R = 287 [J/kg-K], 1) Die temperatuur, druk, snelheid en Mach getal by die uitlaat van die verbrandingskamer, ø= 15 cm 1 k |T₁= 550 [K] m 12 | T₁₂ = P₁ =
'n Verbrandingskamer bestaan uit' n buis verbrandingskamer van 15 [cm] in deursnee, Saan lug vloei in die buis by 550 [K], 480 [kPa] en 80 [m/s] in, Brandstof met 'n hitte waarde van 42 [kJ/kg] word in die lug ingespuit en is met' n lug-brandstof verhouding van 40, Benader die o proses as 'n hitte-oordrag tot lug, Aanvaar k = 1,4 cp = 1,005 [kJ/kg-K] en R = 287 [J/kg-K], 1) Die temperatuur, druk, snelheid en Mach getal by die uitlaat van die verbrandingskamer, ø= 15 cm 1 k |T₁= 550 [K] m 12 | T₁₂ = P₁ =
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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Question
!['n Verbrandingskamer bestaan uit' n buis verbrandingskamer van 15 [cm] in deursnee, Saamgeperste
lug vloei in die buis by 550 [K], 480 [kPa] en 80 [m/s] in, Brandstof met 'n hitte waarde van 42 000
[kJ/kg] word in die lug ingespuit en is met' n lug-brandstof verhouding van 40, Benader die ontbranding
proses as 'n hitte-oordrag tot lug, Aanvaar k = 1,4 cp = 1,005 [kJ/kg-K] en R = 287 [J/kg-K], Bepaal:
1) Die temperatuur, druk, snelheid en Mach getal by die uitlaat van die verbrandingskamer,
p = 15 cm
1 k
|T₁=550 [K]
P₁ = 480 [kPa]
V₁ = 80 [m/s]
m
HV = 42000
12
|
[kJ/kg]
T₂ = ? [K]
P₂ = ? [kPa];
V₂ = ? [m/s];
Ma₂ = ?
A combustion chamber consist of tubular combustors of 15 cm diameter, Compressed air enters the
tubes at 550 [K], 480 [kPa] and 80 [m/s], Fuel with a heating value of 42 000 [kJ/kg] is injected into the
air and is burned with an air-fuel ratio of 40, Approximate combustion as a heat transfer process to air,
Take for air k = 1,4 cp = 1,005 [KJ/Kg-K] and R = 287 [J/kg-K], Determine :
1) The Temperature, Pressure, Velocity and Mach number at the exit of the combustion chamber,](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa36211ff-413d-45db-8330-03ac493e19cc%2Fcc91066d-739c-4e05-bd43-dc249189fe97%2F8vhe33l_processed.png&w=3840&q=75)
Transcribed Image Text:'n Verbrandingskamer bestaan uit' n buis verbrandingskamer van 15 [cm] in deursnee, Saamgeperste
lug vloei in die buis by 550 [K], 480 [kPa] en 80 [m/s] in, Brandstof met 'n hitte waarde van 42 000
[kJ/kg] word in die lug ingespuit en is met' n lug-brandstof verhouding van 40, Benader die ontbranding
proses as 'n hitte-oordrag tot lug, Aanvaar k = 1,4 cp = 1,005 [kJ/kg-K] en R = 287 [J/kg-K], Bepaal:
1) Die temperatuur, druk, snelheid en Mach getal by die uitlaat van die verbrandingskamer,
p = 15 cm
1 k
|T₁=550 [K]
P₁ = 480 [kPa]
V₁ = 80 [m/s]
m
HV = 42000
12
|
[kJ/kg]
T₂ = ? [K]
P₂ = ? [kPa];
V₂ = ? [m/s];
Ma₂ = ?
A combustion chamber consist of tubular combustors of 15 cm diameter, Compressed air enters the
tubes at 550 [K], 480 [kPa] and 80 [m/s], Fuel with a heating value of 42 000 [kJ/kg] is injected into the
air and is burned with an air-fuel ratio of 40, Approximate combustion as a heat transfer process to air,
Take for air k = 1,4 cp = 1,005 [KJ/Kg-K] and R = 287 [J/kg-K], Determine :
1) The Temperature, Pressure, Velocity and Mach number at the exit of the combustion chamber,
Expert Solution
Step 1: Write the given data with suitable variables-
- P1 = 480 kPa
- T1 = 550K
- V1=80 m/s
- Air-Fuel ratio = 40
- Heat flow rate = 42,000 kJ/kg
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