Single Pulse Jet Impingement on Inclined Surface, Heat Transfer and Flow Field

Bovo, Mirko; Rojo, Borja

doi:10.4271/2013-24-0003

Cited by 9 publications

(12 citation statements)

References 28 publications

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“…In most cases, the jet impinges on the piston surface with changing angles due to the piston's shape and motion. This event is the starting inspiration for this work (see also [13]). …”

Section: Introductionmentioning

confidence: 80%

“…An example of the instantaneous flow field is presented in figure 4. Collections of images presenting the evolution of the flow field are published in [13]. This work focuses on reporting results suitable as input to CFD simulation.…”

Section: Piv Resultsmentioning

confidence: 99%

“…This suggests that the target thermal inertia plays a significant role in dampening the effect of the turbulent fluctuations on the surface temperature. The quality of the results is also comforted by the accuracy of the trends in both space and time as discussed in [13]. …”

Section: Thermocouplesmentioning

confidence: 90%

“…These results can be directly used for comparison with CFD simulations. A physical interpretation of the results is carried out by the authors and presented in [13].…”

Section: Thermal Cameramentioning

confidence: 99%

“…These are also further elaborate to extract some information about the turbulence levels in the flow. Other PIV measurements focus instead on the entire jet space-time evolution and are reported in [13]. The jet-wall thermal interaction is measured with two distinct experiments using fast responding thermocouples and infrared thermal camera.…”

Section: Introductionmentioning

confidence: 99%

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Measurements of a single pulse impinging jet. A CFD reference

Bovo

Rojo

Golubev

2014

EPJ Web of Conferences

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Abstract. This paper reports three sets of measurements of a single pulse impinging jet. The purpose is to serve as a reference for CFD validation. A gas injector generates a single pulse jet at Re ~90000. The jet impinges on a temperature controlled flat target at different angles (0º, 30º, 45º and 60º). The jet velocity field is measured with PIV. The evolution of the jet velocity profile in time is reported at two different locations (suitable as CFD inlet conditions). At the same locations also turbulence quantities are reported. The impingement wall temperature is measured with fast responding thermocouples and infrared camera. These give high time and space resolution respectively. Results are reported in a format suitable for comparison with CFD simulations. The results show that the heat transfer effects are highest for the jet impinging normally on the target. Target inclination has remarkable effects on the jet penetration rate and repeatability. Even small target inclinations result creates a preferential direction for the jet flow and cause a shift in the position of the stagnation region.

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“…In most cases, the jet impinges on the piston surface with changing angles due to the piston's shape and motion. This event is the starting inspiration for this work (see also [13]). …”

Section: Introductionmentioning

confidence: 80%

Section: Piv Resultsmentioning

confidence: 99%

Section: Thermocouplesmentioning

confidence: 90%

“…These results can be directly used for comparison with CFD simulations. A physical interpretation of the results is carried out by the authors and presented in [13].…”

Section: Thermal Cameramentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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