Burn­er Test­ing to Pre­vent Com­bus­tion Dy­nam­ics

Op­tim­iz­a­tion of Com­bus­tion Cham­bers

Com­bus­tion cham­bers are re­ac­tion cham­bers in which a fuel un­der­goes an exo­therm­ic re­ac­tion (com­bus­tion). Com­bus­tion cham­bers are used in many ap­plic­a­tions, such as gas tur­bines, rock­et en­gines and in­dus­tri­al and heat­ing plants. There­fore, the test­ing of com­bus­tion cham­ber pro­to­types against thermal and mech­an­ic­al loads is of great im­port­ance, es­pe­cially with re­gard to in­creas­ing ef­fi­ciency. The cor­rect para­met­er­iz­a­tion of the com­bus­tion cham­ber and the cor­rect mix­ing ratio of the fuels is the main focus of the test pro­ced­ures.

Com­bus­tion Dy­nam­ics

Chal­lenges in Burn­ers

The primary goal of burn­er test­ing is to identi­fy and elim­in­ate weak­nesses with­in the sys­tem. Above all, it is im­port­ant to pre­vent ther­moacous­tic res­on­ances or com­bus­tion dy­nam­ics by suit­able para­met­er­iz­a­tion of the com­bus­tion cham­ber. These pres­sure os­cil­la­tions, known as com­bus­tion dy­nam­ics, com­bus­tion os­cil­la­tions or ther­moca­cous­tic os­cil­la­tions are often per­ceived as vi­bra­tions or dis­turb­ing noises. In severe cases, the com­pon­ents are severely dam­aged with­in a few seconds.

Meas­ure­ment and Ana­lys­is Tech­no­logy for Insight-Based Op­tim­iz­a­tion

Our solu­tion for burn­er test­ing

In order to meet the high re­quire­ments, it is ne­ces­sary to in­stall a meas­ure­ment and ana­lys­is sys­tem that can com­pletely identi­fy and ana­lyze the dif­fer­ent types of vi­bra­tions in a burn­er test bench. The IfTA Dyn­aMaster in com­bin­a­tion with the ana­lys­is soft­ware IfTA TrendView­er provides a solu­tion that can be per­fectly ad­ap­ted to any test bench. On the basis of the in­form­a­tion ob­tained, valu­able con­clu­sions can be drawn about the cor­rect para­met­er­iz­a­tion of the com­bus­tion cham­ber.

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