Hybridburners.com home page
My site provides information about the various models of propane burners I produce, and have available for use in forges, foundry furnaces, glass melting furnaces, heat treating ovens, or anything else that requires a very high temperature and high efficiency heat source.
Scarfing and Scalloping Effects on Lobed Forced Mixer at Low
The Effects of Spoilers on Jet Mixing of Lobed Nozzles
Presz Jr WM, Reynolds Jr G, McCormick D (1994) Thrust augmentation using mixer-ejector-diffuser systems. AIAA-94-0020. Proceedings of the 32nd Aerospace Sciences Meeting and Exhibit; Reno, USA. [ Links ] Shan Y, Zhang JZ (2005) Numerical investigation on the effects of lobe nozzles geometric parameters on mixer-ejector performance.
Numerical and Experimental Study on Jet Trajectories
An investigation of the jet trajectories and mixing behavior of venturi-jet mixers, in which turbulent jet injects fluid at an arbitrary angle to mix incompressible fluids, is described in this paper. Numerical results of an incompressible ...
Forced Mixer Lobes In Ejector Designs
More Forced Mixer Lobes In Ejector Designs images
US5884472A - Alternating lobed mixer/ejector concept
A mixer/ejector suppressor is disclosed for reducing the noise level created by the exhaust flows in gas turbines. In the preferred embodiment, the suppressor comprises a mixing ring of alternating lobes attached to the engine's tailpipe; an ejector shroud mounted onto the mixing ring; and a plurality of arcuate gaps, between the mixing ring and ejector shroud, that permit ambient air to be ...
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Mixer-Ejector Noise-Suppressor Model
May 23, 2012 · Mixer-Ejector Noise-Suppressor Model. David E. Tew , ... Forced mixer lobes in ejector designs. W. PRESZ, JR. and ...
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Forced mixer lobes in ejector designs
May 23, 2012 · Mechanisms of lobed jet mixing: About circularly alternating-lobe mixers Aerospace Science and Technology, Vol. 98 Research on Nonlinear Oscillation Suppression and Mixing Characteristics of RVABI Base on Bypass Pressure Fluctuation
US5761900A - Two-stage mixer ejector suppressor
A two-stage mixer ejector concept ("TSMEC") is disclosed for suppressing the noise emanated by jet aircraft. This TSMEC was designed to help older engines meet the stringent new federal noise regulations, known as "Stage III".
Prototype development - INASCO
Scaled Mixer-ejector high temp alloy prototyping including manufacturability evaluation and changes to comply with design for manufacture: Internal and External Mixer, Ejector Mounting Struts, Ejector (long and short), Ejector Closure, Liners Integration, Inner Mixer Lobes, Foreplug, Foreplug Struts, Plug Waved, Closure Skin.
Experimental studies on supersonic mixer-ejector using
Experimental studies on supersonic mixer-ejector using radially lobed nozzles ... Gousy R; Morin BL (1986) Forced mixer lobes in ejector designs. AIAA Paper 86-1614. ...
Exchange Inlet Design for Rocket-Based Combined-Cycle Engines
Forced mixer lobes in augmentor primary ejectors obtain a 100-percent increase in pumping over conventional design, together with nearly complete mixing in very short mixing ducts, through the ...
Gen 2.0 Mixer/Ejector Nozzle Test at Lsaf June 1995 to July
Jul 31, 2013 · Gen 2.0 Mixer/Ejector Nozzle Test at Lsaf June 1995 to July 1996 [Arney, L. D., Nasa Technical Reports Server (Ntrs), Et Al] on Amazon.com. *FREE* shipping on qualifying offers.
Experimental Investigation of a One-Sided Ejector Nozzle
The ejector nozzle in the HSCT program turned out to be quite large and heavy. This is a limitation with the ejector design. Even though much work has been done to improve mixer-ejector nozzle performance (Refs.
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Alternating lobed mixer/ejector concept suppressor
Mar 23, 1999 · The present invention concerns an alternating lobed mixer/ejector concept for suppressing the noise from jet aircraft. This suppressor is marketed under the trademark "ALMEC" by the Assignee, Stage III Technologies, L.C., of La Jolla, Calif.
Parametric Effects on Internal Aerodynamics of Lobed Mixer
The internal flow characteristics inside lobed mixer-ejector with curved mixing duct and the parametric effects on the lobed mixer-ejector performance are investigated numerically and validated by experimental test. The curved mixing duct affects the development of the streamwise vortices induced by the lobed mixer.
Investigations of flows in a new infrared suppressor
Presz et al. , , , has indicated that a substantial increase in the pumping performance of an ejector system can be obtained through the use of low loss ‘forced’ mixer lobes These ‘forced’ mixers have proven very effective in advanced turbofan applications by achieving nearly complete mixing of separate engine and fan streams with very ...
Micro-Gas Turbine Engine Ejector-Mixer Design and Testing
result serves as a base of knowledge useful to the design of a micro-gas turbine engine ejector-mixer. 4 Technical Background 4.1 Ejector-Mixer Theory As the name suggests, an ejector-mixer is composed of two parts: the ejector, and the mixer. The ejector is the shroud in which the engine exhaust primary ﬂow and the ambient conditioned
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Multi-Stage Mixer/Ejector Systems
Forced mixer lobes generate large scale axial vorticity which results in rapid mixing and improved diffuser performance. Ejector testing was conducted using both an ejector wind tunnel.
Full text of "Computational analysis of the flowfield of a
Full text of "Computational analysis of the flowfield of a two-dimensional ejector nozzle" See other formats NASA Contractor Report 185255 AIAA-90-1901 Computational Analysis of the Flowfield of a Two-Dimensional Ejector Nozzle Y.H. Choi and W.Y. Soh Sverdrup Technology, Inc. Lewis Research Center Group Brook Park, Ohio June 1990 Prepared for Lewis Research Center Under Contracts NAS3 …
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RANS-Based Noise Predictions of Jets with Internal Forced Mixers
In the current study three 12-lobe mixers and two 20-lobe mixers are evaluated. A typical internal lobed mixer configuration is shown in Figure 1. The geometries of all five forced mixers evaluated in this study are shown in Figure 2. The 12-lobe mixers all have similar designs, with the primary difference being the lobe penetration height
A/AN Series - Submersible Wastewater / Sump Pumps
Standard accessories include : cable with an epoxy resin sealed water-resistant cable base, Auto-cut Protector, dual mechanical seals and lip seal design. The A-05A is an extremely practical pump, with a low temperature, oil filled motor and single seal design (CA/CE). A/AN Series - Submersible Wastewater / Sump Pumps
Stereoscopic PIV measurement of a lobed jet mixing flow
Abstract. In a continuing effort to study the mixing enhancement by large scale streamwise vortices generated by a lobed nozzle, a high-resolution stereoscopic PIV system was used in the present study to conduct three-dimensional measurements of air jet flows exhausted from a lobed nozzle and a conventional circular nozzle.
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Euromecc entirely designs and produces concrete batching plants, manufacturing almost all the components and assembling them to its factory. With a range of products with no equal, Euromecc establishes as a leader in providing plants for concrete and cement markets, thanks also to the capability of designing and producing tailor-made solutions.
According to the possibility of moving the plant, they can be classified into stationary batching plants, suitable for settled building sites and mobile batching plants, FIVETECH series, guaranteeing production of a stationary batching plant with easy transportation and fast installation...
Each kind of plant can be equipped or not with a concrete mixer, identifying WET concrete batching plants (provided with concrete mixer) and DRY concrete batching plants. WET batching plants allow to blend aggregates, cement, water and additives guaranteeing a better concrete quality and optimizing water/cement ratio. Euromecc produces three types of concrete mixers with cutting-edge mixing technologies: MEB double shaft mixers, MEP planetary mixers, MEC continuous mixers.
Analyzing the type of production of the plants are picked out plants for continuous production, equipped with continuous mixers, and plants for cyclical production, equipped with double shaft and planetary mixers.
Euromecc concrete batching plants can be equipped with:
- bins for bulk material storage (at least two bins)
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According to material produced, plants are divided into: ready-mixed concrete plants, plants for precast concrete, plants for cement mixture.
The manufacturing of batching plants is realized inside the factory, making Euromecc the only interlocutor and responsible for the whole project. The production is done with NC-machines, steel and section bars have certified quality and origin, components are the best available in the market...
EUROMECC offers to the customer turnkey solutions from the feasibility study, continuing with carpentry production, mechanical engineering, realization of electric control panel and IT management, up to assembly and test to the building site followed by post-sales assistance...