C hollow cone nozzle

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C hollow cone nozzle is the one-piece cast-type design,the cast models has the good features of high pressure resistance, wear-resistanc .
Cavity number of industrial nozzles and hollow cone nozzle

Experimental study of cavitation nozzle overview so far , scientific and technical personnel have launched a considerable number of experimental observations to analyze the characteristics of cavitation inside the nozzle . Due to the long-term unremitting efforts , the experimental research on cone nozzle cavitation mainly made ??significant progress in two areas: First , make sure the nozzle cavitation flow in the macro-structure of quasi- steady-state conditions and the factors that affect it ; second , confirmed that the cavitation process on the nozzle flow characteristics ( ie, flow coefficient ) were studied. The following lists the main conclusions of the study . Process and mechanism of the impact of diesel fuel atomization nozzle jet instability display a confirmation hydraulic cavitation cavitation forms of reflux as early as 1959 , Bergwerk diesel model for transparent cone nozzle cavitation process and hydraulic reflux (hydraulic flip, gas is forced into the outer orifice , and occupy a phenomenon near the wall cavity area ) were observed and found that with decreasing size of the nozzle experiment is difficult to see water back. Meanwhile , Bergwerk strive to associate with Reynolds hydraulic backflow occurs , but to no avail . Soteriou enlarged model , who use the hydraulic nozzle reflux key observation , and that the actual diesel injection process, due to the small size of the injection hole and the injection transient conditions , difficult to place hydraulic reflux . Laoonual , who used to enlarge the size of the VCO

(valve covered orifice) conical nozzle experimental observations , and found that when the aspect ratio of greater than 10 orifice or orifice entrance grind out the possibility of very low hydraulic reflux occurs when the fillet . Ultra cavitation Chaves , who used diesel nozzle size and the actual size of the nozzle considerable experimental model , the degree of concurrency now cavitation under certain conditions of back pressure jet spray hole with elevated pressure and increased when the injection pressure is increased to a certain when the extent of cavitation orifice area would have been extended to the formation of ultra- orifice outlet cavitation (supercavitation). Badock , who also uses the true size of the nozzle to do experiments , they found that at high injection pressure ( ultra cavitation ) conditions orifice center still has full plume exists. It is noted that , and found no water and refluxed Badock et al Chaves et experiments.

Line cavitation Afzal et al , Roth et al and Gavaises & Andriotis observation enlarge the size of the nozzle to form an unstable cavitation , which they named the line cavitation (string cavitation). Line cavitation generally occurs at the inlet orifice upstream of the recirculation zone , and its essence is the vortex motion induced cavitation . Andriotis et al lines cavitation phenomena more detailed analysis , sought to line up the probability of occurrence of cavitation and associated Strouhal number appears in the specific location and needle lift , cavitation number , Reynolds number and swirl , but not very successful. So far , the internal space of a diesel nozzle for experimental observation of enlarged mainly in the size of the model for industrial nozzles . However, due to the presence of foot than the effects of cavitation nozzle in the form of large size may not appear in the actual size of the diesel fuel nozzle , such as hydraulic return, line cavitation , both need further confirmation.

Ordering information of C hollow cone nozzle(One-piece cast-type) (YBS brand)
Thread: B=BSPT
Materials：None=brass
I=cast iron
SS=316 stainless steel
1/2 B1/2C-3 B1/2CI-3 B1/2C-SS3
B1/2C-4 B1/2CI-4 B1/2C-SS4
B1/2C-5 B1/2CI-5 B1/2C-SS5
B1/2C-7 B1/2CI-7 B1/2C-SS7

3/4 B3/4C-5 B3/4CI-5 B3/4C-SS5
B3/4C-6 B3/4CI-6 B3/4C-SS6
B3/4C-7 B3/4CI-7 B3/4C-SS7
B3/4C-10 B3/4CI-10 B3/4C-SS10

1 B1C-7 B1C-I7 B1C-SS7
B1C-8 B1C-I8 B1C-SS8
B1C-9 B1C-I9 B1C-SS9
B1C-10 B1C-I10 B1C-SS10
B1C-12 B1C-I12 B1C-SS12
B1C-15 B1C-I15 B1C-SS15

1-1/4 B1-1/4C-10 B1-1/4C-I10 B1-1/4C-SS10
B1-1/4C-12 B1-1/4C-I12 B1-1/4C-SS12
B1-1/4C-14 B1-1/4C-I14 B1-1/4C-SS14
B1-1/4C-16 B1-1/4C-I16 B1-1/4C-SS16
B1-1/4C-20 B1-1/4C-I20 B1-1/4C-SS20

1-1/2 B1-1/2C-16 B1-1/2C-I16 B1-1/2C-SS16
B1-1/2C-20 B1-1/2C-I20 B1-1/2C-SS20
B1-1/2C-25 B1-1/2C-I25 B1-1/2C-SS25
B1-1/2C-30 B1-1/2C-I30 B1-1/2C-SS30

2 B2C-30 B2C-I30 B2C-SS30
B2C-35 B2C-I35 B2C-SS35
B2C-40 B2C-I40 B2C-SS40
B2C-45 B2C-I45 B2C-SS45
B2C-50 B2C-I50 B2C-SS50
B2C-60 B2C-I60 B2C-SS60

2-1/2 B2-1/2C-60 B2-1/2C-I60 B2-1/2C-SS60
B2-1/2C-70 B2-1/2C-I70 B2-1/2C-SS70
B2-1/2C-80 B2-1/2C-I80 B2-1/2C-SS80
B2-1/2C-90 B2-1/2C-I90 B2-1/2C-SS90
B2-1/2C-100 B2-1/2C-I100 B2-1/2C-SS100