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Article
Flow field calculations for afterburner
In this paper a calculation procedure for simulating the combustion flow in the afterburner with the heat shield, flame stabilizer and the contracting nozzle is described and evaluated by comparison with exper...
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Article
Critical state behaviors of a coarse granular soil under generalized stress conditions
Critical state line (CSL) is the central concept in soil mechanics. A series of true triaxial compression tests under the constant- $${...
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Article
Numerical investigation of the effects of ITD length on low pressure nozzle
The advantage of high efficiency, low SFC (Specific Fuel Consumption), ultra-high bypass ratio turbofan engine attracts more and more attention in modern commercial engine. The intermediate turbine duct (ITD),...
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Article
Flow development through HP & LP turbines, Part II: Effects of the hub endwall secondary sealing air flow on the turbine’s mainstream flow
Although many literatures have been focused on the underneath flow and loss mechanism, very few experiments and simulations have been done under the engines’ representative working conditions or considering th...
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Article
Flow development through HP & LP turbines, Part I: Inward rotating cavity flow with superimposed throughflow
With the aid of numerical method, both flow field and its accompanied loss mechanism within the rotating cavity are investigated in detail in the 1st part of the two parts paper. For ease of comparison, rotating ...
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Article
Numerical investigation of the effects of rising angle on intermediate turbine duct and nearby turbines
In order to improve the efficiency, ultra-high bypass ratio engine attracts more and more attention because of its huge advantage, which has larger diameter low pressure turbine (LPT). This trend will lead to ...
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Article
Influence of Reynolds Number on the Unsteady Aerodynamics of Integrated Aggressive Intermediate Turbine Duct
The ultra-high bypass ratio turbofan engine attracts more and more attention in modern commercial engine due to advantages of high efficiency and low Specific Fuel Consumption (SFC). One of the characteristics...
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Article
General Design and Thermodynamic Analysis of a Supercritical Carbon Dioxide Cannon
This paper presents a new supercritical carbon dioxide (SCO2) cannon based on the carbon dioxide (CO2)’s thermodynamic cycle under constant volume. First, Virial equation and NIST database are applied to formulat...
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Article
Real-Time Instability Detection of Centrifugal Compressors Based on Motor Speed Measurements
Flow instability in the centrifugal compressor should be detected and avoided for stable and safe operation. Due to the popularity of electric centrifugal compressors, instability detection could be achieved b...