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Effect of ejector spacing on ejector-jet noise characteristics. New York: Van Nostrand Reinhold Company, 1984. Research on the rectangular lobed exhaust ejector/mixer systems. Hu H, Kobayashi T, Saga T, Taniguchi N, Liu H, Wu S. Parameter Effects on Mixer-Ejector Pumping Performance, AIAA 26th Aerospace Sciences Meeting AIAA Paper AIAA-88-0188 (2nd ed.), 1988. Design data for the liquid-liquid jet pumps. Cranfield Bedford: BHRA Fluid Engineering, 1976. Jet pumps and ejectors, a state of the art review and bibliography. Cranfield Bedford: BHRA Fluid Engineering, 1975. Study of entrainment and mixing process for an air to air ejector, second symposium on jet pumps and ejectors and gas lift techniques. In Proceedings of GT 2005, ASME turbo Expo 2005: Power for Land, Sea and Air, USA, Paper GT 2005–68597, 2005. Experimental and CFD study of exhaust ejectors with bent mixing tubes. of GT2005, ASME Turbo Expo 2005: Power for Land, Sea and Air, USA. Computational comparison of an air-air ejector system utilizing a primary S-bend transition duct employing the realizable k- ε turbulence model, Proc. Pressure Recovery Coefficient in Conical Diffusers with Injection Flux using CFD, 33rd National & 3rd International Conference on Fluid Mechanics and Fluid Power, IIT, Bombay, India, Paper No. Singh P, Singh SN, Seshadri V, Kumar A, Tribhuvan N.
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Comparison of swirling effects on ejector performance using four turbulence models. Numerical analysis of turbulent flow in a conical diffuser. Comparison of various turbulence models in respect to their suitability for CFD calculations of diffuser flows. Calculation of various diffuser flows with inlet swirl and inlet distortion effects. Application of turbulence models for aerodynamic and propulsion flow fields.
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Model experiments of infrared suppressor for helicopter exhaust system. In Proceedings of GT 2005, ASME Turbo Expo 2005: Power for Land, Sea and Air, USA, Paper GT 2005–68654, 2005. Experimental study of an exhaust ejector with entraining diffuser. The results show that the higher number of slot openings improves cooling in the ejector diffuser as compared to thicker interfaces or inclination at the slot inlet.ġ. The results are presented in terms of temperature distribution, entrainment mass flux rates and static pressure recovery. The three configurations being investigated are the best diffuser configurations established on the basis of cold flow studies reported in literature. This paper presents results of a 3-D numerical study carried out at a fixed Reynolds Number of 2.5×10 5 with a corresponding inlet Mach number of about 0.22 on three configurations of a non-circular ejector diffuser having an overall area ratio of 9. Multiple slot openings are provided along the length of ejector diffusers to lower the temperatures of the exhaust gases. These diffusers are developed as passive devices, which use the energy of the main flow to entrain the relatively cool ambient air through the annular slot openings. I hope this experience helps.Air ejector diffusers are employed in gas turbine exhaust systems to cool the exhaust gases. Depending on the capacity, it should be very low cost. I have done what you propose by buying a catalog listed unit from Penberthy.
#AIR EJECTOR DESIGN CALCULATION PROFESSIONAL#
Professional and experienced suppliers are called upon to furnish proven and warranted products. This is not done in conventional engineering circles. It is obvious that someone (you or your supervisors) will have to take the risk and gamble of seeing to it that your design works as per specified needs.
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What you are proposing is not the conventional case since you yourself admit you know little or nothing of designing such a unit.
#AIR EJECTOR DESIGN CALCULATION INSTALL#
With proven designs available, why would you feel pressed to design, test, modify, and install your own personal design? Are you limited in being able to buy an existing, proven & warranted design? This is understandable, since a lot of the technology is locked up by the existing manufacturers who have spent a lot of time and money in developing their designs. I've only heard of two instances where an engineer took to designing and building his own ejector.