Pulsejet-sim: PROGRAM START

Engine operating mode

Air-fuel ratio Lambda Lambda

Fuel type (1 = Gasoline, 2 = Kerosene, 3 = Propane) Nfu

Flight speed (km/h, 0-600) v0

Flight altitude (m, 0-6000) H0

Engine geometry

Exhaust resonant pipe length L

Exhaust resonance pipe diameter Da

Diameter, m Dc

Combustion chamber length Lc

Chamber cone length, mm Lk

Wall thickness DeLw

End cone on the tube (0 - no, 1 - yes) Nde0:

No

Yes

Inlet system parameters

Valve system parameters

Petal thickness (mm, 0.1-0.3) h

Maximum petal edge lift, mm, 5-10 ymax

Hole overlap by petal, mm, 1-2 deL

Number of petals in the system, 2-270 N0

Calculation type (1 - static, 2 - dynamic) Nval

Valve system type: 1 - flat grate, 2 - wedge grate Nt

flat grate

wedge grate

Combustion and startup parameters

Please enter the following correction factors (default 1.0 if unsure)

Max combustion completeness factor (nug01) = 1.0 nug01

Correction factor in ignition delay formula (m0z1) = 1.0 m0z1

Relative initial ignition delay time factor (tet1) = 1.0 tet1

Relative initial combustion duration factor (tstr1) tstr1

Correction factor for combustion time (ktag1) ktag1

Speed correction coefficient (kvc1) kvc1

Cooling correction factor (miu1) miu1

Heat release correction factor for startup (kqc1) kqc1

Valve flow coefficient correction (kmuv1) kmuv1

Heat losses correction factor (kqw1) kqw1

Dynamic correction coefficient (gamm) gamm

Reverse flow hydraulic resistance correction (Kmu) = 1.5 Kmu

Coefficient of damping rebound speed (COR) = 0.4-0.5 COR

Startup parameters

Number of calculation cycles (3-12) Ncy

Designed pulsejet engine

Exhaust resonance pipe diameter Da

Exhaust resonant pipe length, mm L

Diameter, m Dc

Combustion chamber length Lc

Inlet channel length, mm Le

Chamber cone length, mm Lk

Inlet channel diameter (mm, 15-100) De

Inlet tube quantity (1 or 2) Nvee

Inlet channel diameter De

Valve system type: 1 - flat grate, 2 - wedge grate Nt

Fuel type (1 = Gasoline, 2 = Kerosene, 3 = Propane) Nfu

Air-fuel ratio Lambda Lambda

Flight speed (km/h, 0-600) v0

Flight altitude (m, 0-6000) H0

Parameters simulation UAV

UAV fuselage shape: KF

Degree of aerodynamics perfection Kcm

Thrust-to-weight ratio starting at Н=0, V=0 (0.1-0.3): TR

Payload weight, kg : Mus

Relative mass of the fuselage (0.08-0.12): mfus

Relative wing mass (0.06-0.08): mw

Relative plumage mass (0.04-0.06): mcon

Initial UAV flight speed (take-off speed, speed of launch from catapult or booster), km/h (70-450): u0st

UAV simulation results

UAV parameters

UAV takeoff weight, kg Muav

Payload weight, kg Mus

Fuel mass, kg Mf

Fuel tank capacity, l Vf1

UAV length, m Luav

Wingspan, m Lwg

Fuselage width, m Hbf

Fuel tank length, m Lf

Engine parameters

Length, m L

Diameter, m Dc

Mass, kg Meng

Thrust static, N Fen0

Thrust flight, N FenV

Fuel consumption, kg/h MfV

Specific fuel consumption, kg/h dN TSFC

Specific mass, kg/dN mu

Frontal thrust, N/m2 Fna

UAV flight characteristics

Flight altitude (m, 0-6000) H0

Flight range, km Sfh

Flight duration, min tfh

Final flight speed, km/h w2ff

Starting speed, km/h w0st

Initial flight speed, km/h w1ff

Aerodynamic quality KY

Angle of attack, deg. alf

General view of the UAV

All input data

In process of simulation...

Main calculated parameters

Main parameters

Calculation error Kprc

Thrust, N Fen

Gross thrust, F

Cycle frequency, Hz fc

Air flow rate, kg/s Me

Fuel consumption, kg/hour Mf

Specific fuel consumption, kg/dN hour TSFC

Specific thrust, m/s Fs

Wall temperature, K Tw

Cycle min pressure рmin/p0

Cycle max pressure рmax/p0

Dimensionless parameters:

Dimensionless complex parameter Lam

Dimensionless thrust F/(k0·p0·Fa)

Relative area of the inlet channel Ff

Dimensionless cycle frequency (Strouhal number) f·L/a0 St

Dimensionless petal stiffness S

Dimensionless air flow Me/(a0·ro0·Fa)

Show the relative parameter diagrams for the cycle No.

Parameters:

dimensionless pressure in the combustion chamber

dimensionless temperature in the combustion chamber

dimensionless gas velocity in the intake manifold

dimensionless air velocity in the intake duct

dimensionless gas velocity in the resonance tube

dimensionless coordinate of the air-gas interface in the intake duct

relative lift of valve petal

dimensionless rate of heat release during combustion

dimensionless inlet pipe thrust

dimensionless air flow

dimensionless thrust of the resonance tube

dimensionless coordinate of the air-gas interface in the resonance tube

Engine indicator diagram

Select parameters for joint display on one diagram

Parametric studies

Select which parameter to change

min

max

step

qstep

min

max

step

qstep

min

max

step

qstep

min

max

step

qstep

min

max

step

qstep

min

max

step

qstep

Main calculated parameters

Main parameters

Clicking on the right rectangle removes the curve from the diagram, and clicking on the left rectangle removes the dots

Thrust, N Fen

Gross thrust, N Fen0

Specific thrust, m/s Fs

Cycle frequency, Hz fc

Air flow rate, kg/s Me

Fuel consumption, kg/hour Mf

Specific fuel consumption, kg/dN hour TSFC

Wall temperature, K Tw

Dimensionless parameters:

Clicking on the right rectangle removes the curve from the diagram, and clicking on the left rectangle removes the dots

Dimensionless complex parameter Lam

Dimensionless thrust F/(k0·p0·Fa)

Relative area of the inlet channel Ff

Dimensionless cycle frequency (Strouhal number) f·L/a0 St

Dimensionless air flow Me/(a0·ro0·Fa)

Cycle min pressure рmin/p0

Cycle max pressure рmax/p0

Select parameters for joint display on one diagram

UAV Calculation Graphics - Flight Time Parameters

Parameters:

Range, km

Speed, km/h

Fuel, l

Mass, kg

Angle of attack, deg

Quality: K

Select parameters for joint display on one diagram

Parametric studies UAV

Select which parameter to change

min

max

step

qstep

min

max

step

qstep

min

max

step

qstep

Main calculated parameters UAV

Flight range, km Sfh

Flight duration, min tfh

Final flight speed, km/h w2ff

Initial flight speed, km/h w1ff

Aerodynamic quality KY

Angle of attack, deg. alf

UAV takeoff weight, kg Muav

Fuel mass, kg M

PULSEJET-SIM-1.0

Modeling pulsejet engine program

Pulsejet Parameter Input

Loading default parameter sets

Basic parameters

Select Engine type :

Select valved engine type :

Engine operating mode

Engine geometry

Inlet system parameters

Valve system parameters

Combustion and startup parameters

Startup parameters

Designed pulsejet engine

Parameters simulation UAV

UAV simulation results

UAV parameters

Engine parameters

UAV flight characteristics

General view of the UAV

All input data

In process of simulation...

Main calculated parameters

Main parameters

Dimensionless parameters:

Show the relative parameter diagrams for the cycle No.

Parameters:

Select parameters for joint display on one diagram

Parametric studies

Exhaust resonant pipe length L

Exhaust resonant pipe length L

Inlet channel length, mm Le

Inlet channel length, mm Le

Petal thickness (mm, 0.1-0.3) h

Petal thickness (mm, 0.1-0.3) h

Air-fuel ratio Lambda Ac

Air-fuel ratio Lambda Ac

Flight speed (km/h, 0-600) v0

Flight speed (km/h, 0-600) v0

Flight altitude (m, 0-6000) H0

Flight altitude (m, 0-6000) H0

Main calculated parameters

Main parameters

Clicking on the right rectangle removes the curve from the diagram, and clicking on the left rectangle removes the dots

Dimensionless parameters:

Clicking on the right rectangle removes the curve from the diagram, and clicking on the left rectangle removes the dots

Select parameters for joint display on one diagram

UAV Calculation Graphics - Flight Time Parameters

Parameters:

Select parameters for joint display on one diagram

Parametric studies UAV

Thrust-to-weight ratio starting at Н=0, V=0 (0.1-0.3): TR

Thrust-to-weight ratio starting at Н=0, V=0 (0.1-0.3): TR

Payload weight, kg Mus

Payload weight, kg Mus

Initial UAV flight speed (take-off speed, speed of launch from catapult or booster), km/h (70-450): u0st

Initial UAV flight speed (take-off speed, speed of launch from catapult or booster), km/h (70-450): u0st

Main calculated parameters UAV

Select parameters for joint display on one diagram