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

Combustion chamber diameter 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

Number of calculation sections by the petal length, 10-20 N

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 L

Combustion chamber diameter 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

All input data

In process of simulation...

Main calculated parameters

Main parameters

Calculation error Kprc

Thrust, N Ren R

Net thrust R

Cycle frequency, Hz Fc f

Air flow rate, kg/s Gv Gv

Fuel consumption, kg/hour Gt Gt

Specific fuel consumption, kg/dN hour Cyd Cyd

Specific thrust, m/s Ryd Ryd

Wall temperature, K Tw Tw

Dimensionless parameters:

Dimensionless complex parameter Lam Lam

Dimensionless thrust R/(k0·p0·Fa) Rend Rend

Relative area of the inlet channel Ff Ff

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

Dimensionless petal stiffness S

Dimensionless air flow Gv/(a0·ro0·Fa) Gvd Gvd

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

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

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 L

Inlet channel length, mm Le

Petal thickness (mm, 0.1-0.3) h

Air-fuel ratio Lambda Ac

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

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