test_combustion_stability_audit Namespace Reference

Classes
class	TestRayleighDriving
class	TestAcousticGateCanFail
class	TestHalfWaveAndNozzleAdmittance
class	TestNyquistAllCrossings
class	TestChamberTimeConstant
class	TestRegulatorStatus
class	TestIntegration
class	TestFeedLineAcoustics
class	TestDomeRegulatedCurve

Functions
	synth_diagnostics (Pc=2.4e6, **kw)

Variables
float	PSI = 6894.757
	GAS_6500 = dict(gamma=1.1375, a_sound=1166.0, nu_g=1.6e-5, mach_nozzle_entrance=0.072)
	D_6500
	L_6500
	COMMON = dict(Pc=2.4e6, MR=2.8, mdot_total=2.71, cstar=1800.0, gamma=1.18, R=350.0, Tc=3500.0)

Detailed Description

Regression tests for the 2026-09-26 stability/feed audit (STAB-1..10, FEED-1, FEED-4).

Every expected value comes from outside the code under test: a closed form worked here, a
quadrature, a root-find of an independently written characteristic equation, or CoolProp.

Function Documentation

synth_diagnostics()

test_combustion_stability_audit.synth_diagnostics	(		Pc = 2.4e6,
		**	kw )

Definition at line 28 of file test_combustion_stability_audit.py.

Referenced by test_combustion_stability_audit.TestIntegration.test_acoustic_report_only_by_default(), test_combustion_stability_audit.TestFeedLineAcoustics.test_both_lines_reported(), test_combustion_stability_audit.TestIntegration.test_chug_gate_is_the_gain_margin_band_minimum(), test_combustion_stability_audit.TestChamberTimeConstant.test_inputs_carry_the_state(), test_combustion_stability_audit.TestIntegration.test_missing_injector_drop_is_recorded_and_zero_is_zero(), and test_combustion_stability_audit.TestIntegration.test_model_error_fails_closed().

Variable Documentation

COMMON

test_combustion_stability_audit.COMMON = dict(Pc=2.4e6, MR=2.8, mdot_total=2.71, cstar=1800.0, gamma=1.18, R=350.0, Tc=3500.0)

Definition at line 25 of file test_combustion_stability_audit.py.

D_6500

test_combustion_stability_audit.D_6500

Definition at line 23 of file test_combustion_stability_audit.py.

GAS_6500

test_combustion_stability_audit.GAS_6500 = dict(gamma=1.1375, a_sound=1166.0, nu_g=1.6e-5, mach_nozzle_entrance=0.072)

Definition at line 22 of file test_combustion_stability_audit.py.

L_6500

test_combustion_stability_audit.L_6500

Definition at line 23 of file test_combustion_stability_audit.py.

PSI

float test_combustion_stability_audit.PSI = 6894.757

Definition at line 19 of file test_combustion_stability_audit.py.