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Splitter-Bladed Centrifugal db )*f CHRYSLER Compressor ...

Splitter-Bladed Centrifugal db )*f CHRYSLER Compressor ...

Ahstracl Mechar~ical design and fabrication of two splitter-bladed centrifugal compressor impellers were completed for rig testing at NASA Lewis Research Center. These impellers were designed by NASA for automotive gas turbine application. The mnchanical design was based on NASA specifications for blade-shape and flowpath configurations.

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Experimental investigation and energy conversion modelling ...

Experimental investigation and energy conversion modelling ...

As shown in Fig. 2, a full scale centrifugal compressor driven by a gas turbine is the main research subject in the present work. The same facility has been employed in previous studies examining the influence of tip clearance flow in Zhang's work . With a rotating speed of 60 k rpm, the impeller is composed of 7/7 main/splitter blades.

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Effect of double splitter blades position in a centrifugal ...

Effect of double splitter blades position in a centrifugal ...

Aug 08, 2018 It was identified that small splitter close to the suction surface of the main blade and big splitter close to the pressure surface has more uniform flow, reduced separation, and better efficiency than the placement of big splitter close to the suction surface. Keywords

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Multilevel optimization of the splitter blade pro le in ...

Multilevel optimization of the splitter blade pro le in ...

Centrifugal compressor; Optimization; Splitter blades; Blade pro le; Incidence loss. Abstract. In this research, multi-level optimization of the pro le of the splitter blades of a turbocharger compressor is performed using genetic algorithm in order to improve its performance. Successive corrections of the pro le at hub, mid-span, and shroud of the

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Influences of Splitter Blades on the Centrifugal Fan ...

Influences of Splitter Blades on the Centrifugal Fan ...

Centrifugal fan and compressors with splitter blades are widely utilized in engineering practices. A detail investigation of the influences of splitter blades on a forward-curved centrifugal fan performances is presented in the paper. The study includes two parts: experiment and numerical calculation. The experiments were produced in a specific impeller with …

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CFD investigation of flow through a centrifugal compressor ...

CFD investigation of flow through a centrifugal compressor ...

Dec 11, 2021 The aerodynamic losses in centrifugal compressors are mainly associated with the separated flow on the suction sides of impeller and diffuser vanes. The overall performance of such compressors can be improved by adding splitter vanes. The present work examines the effect of varying the geometrical location of the splitter vanes in the diffuser on the overall …

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Using splitter blades to improve suction performance of ...

Using splitter blades to improve suction performance of ...

Dec 15, 2014 Zangeneh M. On 3D inverse design of centrifugal compressor impellers with splitter blades. In: Proceedings of the 1998 international gas turbine aeroengine congress exhibition, Stockholm, Sweden, 2–5 June 1998. ASME 98-GT-507. Google Scholar

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On 3D Inverse Design of Centrifugal Compressor Impellers ...

On 3D Inverse Design of Centrifugal Compressor Impellers ...

Dec 23, 2014 In the design of centrifugal compressor impellers with splitter blades it is quite common to use the same blade shapes on the full and splitter blades with the splitters placed at the mid-pitch location.

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Design of a high-performance centrifugal compressor ...

Design of a high-performance centrifugal compressor ...

Feb 14, 2022 The research object of Case 1 is a 145 series turbocharger that is matched with a 12V190 engine (660 kW-1350 rpm). The centrifugal compressor is equipped with a vaneless diffuser. There are eight main blades and eight splitter blades in …

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3D Inverse Design of Centrifugal Compressor Impellers with ...

3D Inverse Design of Centrifugal Compressor Impellers with ...

In the design of centrifugal compressor impellers with splitter blades it is quite common to use the same blade shapes on the full and splitter blades with the splitters placed at …

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Influence of Splitter Blades on the Performance of a ...

Influence of Splitter Blades on the Performance of a ...

Jan 11, 2021 High performance centrifugal compressors with high pressure ratio are highly applied in turboshaft engines in order to obtain higher power-to-weight ratio and lower fuel consumption. The optimization of the aerodynamic configuration design of splitter blades is one of the effective ways to achieve higher efficiency.

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Influence of Splitter Blades on the Flow Field of a ...

Influence of Splitter Blades on the Flow Field of a ...

Jan 28, 2007 Abstract. This work aims at studying the influence of adding splitter blades on the performance of a hydraulic centrifugal pump. The studied machine is an ENSIVAL-MORET MP 250.200.400 pump (diameter = 408 mm, 5 blades, specific speed = 32), whose impeller is designed with and without splitter blades. Velocity and pressure fields are computed using …

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[PDF] Performance Enhancement of Centrifugal Compressor ...

[PDF] Performance Enhancement of Centrifugal Compressor ...

Jul 01, 2018 This paper exemplified a way to increase pressure ratio and improve efficiency with addition of multi splitters in centrifugal impeller with a vaneless diffuser. DDA 404-III back swept impeller of centrifugal compressor, studied through experiment is modified with the addition of splitters blades and a sample impeller is designed and analyzed with big splitter close to …

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Investigation of the impact of splitter blades on a low ...

Investigation of the impact of splitter blades on a low ...

Jul 08, 2020 A. Goulas, A blade-to-blade solution of the flow in a centrifugal compressor impeller with splitters, Journal of Engineering for Power, 102(3) (1980) 632–637. Article Google Scholar . S. A. Moussavi, A. H. Benisi and M. Durali, Effect of splitter leading edge location on performance of an automotive turbocharger compressor, Energy, 123 (2017) 511–520.

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Influences of Splitter Blades on the Centrifugal Fan ...

Influences of Splitter Blades on the Centrifugal Fan ...

Mar 18, 2015 Centrifugal fan and compressors with splitter blades are widely utilized in engineering practices. A detail investigation of the influences of splitter blades on a forward-curved centrifugal fan performances is presented in the paper. The study includes two parts: experiment and numerical calculation.

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Splitter-bladed centrifugal compressor impeller designed ...

Splitter-bladed centrifugal compressor impeller designed ...

Mechanical design and fabrication of two splitter-bladed centrifugal compressor impellers were completed for rig testing at NASA Lewis Research Center. These impellers were designed for automotive gas turbine application. The mechanical design was based on NASA specifications for blade-shape and flowpath configurations. The contractor made engineering drawings and …

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Multilevel optimization of profile of splitter blades in ...

Multilevel optimization of profile of splitter blades in ...

Multilevel optimization of profile of splitter blades in the impeller of a centrifugal compressor. Scientia Iranica , 24, 2, 2017, 707-714. doi: 10.24200/sci.2017.4055

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Effects of the Splitter Blade on the Performance of a Pump ...

Effects of the Splitter Blade on the Performance of a Pump ...

Oct 11, 2018 The splitter blade runner, a special structure runner with long and short blades placed alternately in the circumference direction, was proposed in centrifugal pumps [13, 14] and compressors [15, 16]. It has advantages of improving hydraulic performance and reducing the blade load, the appearance of secondary flow, pressure fluctuation ...

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Design Optimization of Splitter Blade Impeller in a ...

Design Optimization of Splitter Blade Impeller in a ...

Oct 12, 2020 Takao, S, Hayashi, K, Miyabe, M. Design Optimization of Splitter Blade Impeller in a Centrifugal Pump. Proceedings of the ASME 2020 Fluids Engineering Division Summer Meeting collocated with the ASME 2020 Heat Transfer Summer Conference and the ASME 2020 18th International Conference on Nanochannels, Microchannels, and Minichannels.

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Small centrifugal compressor performance trend prediction ...

Small centrifugal compressor performance trend prediction ...

Sep 26, 2018 One of them is that it can give higher pressure ratio than axial compressor (for example common single stage small centrifugal compressor can give 3-4 in pressure ratio at 80000-98000 rpm). The purpose of this paper is to assess the effect of geometry parameters, such as fillet radius, number of splitter and blades, to the pressure ratio.

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Improving Centrifugal Compressor Performance by Optimizing ...

Improving Centrifugal Compressor Performance by Optimizing ...

Sep 30, 2019 Due to the secondary flows in the impellers of centrifugal compressor splitter blades, the situation is not the same as that of the main blades. The flow does not match with splitter blades and this leads to performance loss in the compressors. To mitigate this loss, compressor blades should be redesigned.

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An Overview of Effect of Splitter Blades on Centrifugal ...

An Overview of Effect of Splitter Blades on Centrifugal ...

splitter blades in centrifugal pumps. The following conclusions can be drawn from the literature review 1. Implementation of splitter blades reduces the clogging of fluid at inlet of impeller hence improves the performance of pump 2. Splitter blades reduces the pressure fluctuation hence decreases vibration and noise. 3.

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Multilevel optimization of the splitter blade pro le in ...

Multilevel optimization of the splitter blade pro le in ...

The main blades and impeller center body are recreated by spline curves derived from the initial impeller, while splitter blades are generated using new locations of its control points as calculated by Eq. (1). (M) = X4 i=0 4 i (1 M)4 iMi Mi i : (1) The resulting 3D geometry is meshed and prepared for CFD simulations.

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Performance improvement of a transonic centrifugal ...

Performance improvement of a transonic centrifugal ...

This paper presents a procedure for three-dimensional optimization of a transonic centrifugal compressor impeller with splitter blades by integrating 3D blade parameterization method, a genetic algorithm (GA), an artificial neural network, and a CFD solver.

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