engine.pipeline.stability.chug.ChugStream Class Reference

Collaboration diagram for engine.pipeline.stability.chug.ChugStream:

Public Member Functions
float	G_inj (self)
float	inertance (self)
float	resistance (self)
complex	Z_feed (self, complex s, *, bool with_regulator=True)

Public Attributes
	mdot
	eta_inj
	Pc
	feed_length
	feed_area
	dP_feed

Static Public Attributes
Regulator	regulator = field(default_factory=Regulator)

Detailed Description

One propellant stream (O or F) feeding the shared chamber.

Definition at line 63 of file chug.py.

Member Function Documentation

G_inj()

float engine.pipeline.stability.chug.ChugStream.G_inj

(

self

)

Definition at line 76 of file chug.py.

Referenced by Z_feed().

inertance()

float engine.pipeline.stability.chug.ChugStream.inertance

(

self

)

Definition at line 79 of file chug.py.

Referenced by Z_feed().

resistance()

float engine.pipeline.stability.chug.ChugStream.resistance

(

self

)

Linearized feed resistance R = dDP_feed/dmdot ~ 2*DP_feed/mdot (quadratic loss) [Pa·s/kg].

Definition at line 82 of file chug.py.

References engine.layerx.flight.InlineAscent.mdot, mdot, feedtwin.comps.base.InfeasibleOperatingPoint.mdot, feedtwin.engine.balance.SideBalance.mdot, feedtwin.session.network_trace.NetworkTrace.mdot, and feedtwin.vessels.vapour.VapourExchange.mdot.

Referenced by Z_feed().

Z_feed()

complex engine.pipeline.stability.chug.ChugStream.Z_feed	(		self,
		complex	s,
		*	,
		bool	with_regulator = True )

Series feed+injector(+regulator) impedance Z_feed_k(s) [Pa·s/kg].

Definition at line 88 of file chug.py.

References G_inj(), engine.layerx.diag.start.Element.inertance(), inertance(), regulator, and resistance().

Member Data Documentation

dP_feed

engine.pipeline.stability.chug.ChugStream.dP_feed

Definition at line 86 of file chug.py.

eta_inj

engine.pipeline.stability.chug.ChugStream.eta_inj

Definition at line 77 of file chug.py.

feed_area

engine.pipeline.stability.chug.ChugStream.feed_area

Definition at line 80 of file chug.py.

feed_length

engine.pipeline.stability.chug.ChugStream.feed_length

Definition at line 80 of file chug.py.

mdot

engine.pipeline.stability.chug.ChugStream.mdot

Definition at line 77 of file chug.py.

Referenced by resistance(), and feed_line_K.Run.straight().

Pc

engine.pipeline.stability.chug.ChugStream.Pc

Definition at line 77 of file chug.py.

Referenced by test_combustion_stability_audit.TestNyquistAllCrossings.case(), test_combustion_stability_audit.TestNyquistAllCrossings.L_indep(), and engine.pipeline.stability.timelag.ChamberThermo.Pc_bar().

regulator

Regulator engine.pipeline.stability.chug.ChugStream.regulator = field(default_factory=Regulator)

static

Definition at line 73 of file chug.py.

Referenced by Z_feed().

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The documentation for this class was generated from the following file:

• EngineDesign/engine/pipeline/stability/chug.py