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Chapter and Conference Paper
The Spatial Effect of Fiscal Decentralization and Financial Decentralization on Carbon Productivity in China
In the context of carbon peak and carbon neutrality constraints, China is faced with the challenge of balancing economic development and environmental protection. In China, economic decentralization under cent...
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Article
Open AccessInfant rhesus macaques as a non-human primate model of Bordetella pertussis infection
The prevalent resurgence of pertussis has recently become a critical public health problem worldwide. To understand pertussis pathogenesis and the host response to both the pathogen and vaccines, a suitable pe...
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Article
Comparison of bacterial community structure and function under different petroleum hydrocarbon degradation conditions
Bioremediation methods have been successfully applied to the removal of organic pollutants for decades, but the responses of the microbial community to environmental factors remain less well known. In this wor...
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Chapter
Introduction
The researches on scramjet have lasted for decades and many important methods have been reviewed [1]. However, there are still many challenges in develo** the scramjet, and one of the most crucial issues is to ...
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Chapter
Flow Dominating Instability in Supersonic Flows
The shock-induced separation is a common phenomenon in supersonic combustion, especially when the scramjet combustor works under high equivalence ratios. The low-speed recirculation zone and strong heat releas...
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Chapter
Flame Flashback in Supersonic Flows
Non-stationary flame propagation against the incoming supersonic flow in scramjet engines has been in focus of numerous experimental and computational studies. In this chapter, we give the research work of the...
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Chapter
Acoustic Oscillation in Supersonic Combustor
In the supersonic combustors, there exist intense exothermic reactions between fuel and oxidizer. In many cases the combustor does not work as expected, where the pressure oscillations occur, especially for th...
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Chapter
Cavity Ignition in Supersonic Flows
Scramjets are promising propulsion systems for hypersonic flight vehicles. Development of scramjets relies on sufficient understanding of the complex mixing, ignition and combustion processes inside a scramjet...
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Chapter
Flame Behaviors Near Blowoff in Supersonic Flows
Blowoff limits, including rich blowoff limit (RBO) and lean blowoff limit (LBO), are the boundaries between stable combustion and flame blowoff. The blowoff limits usually depend on the conditions of inflow, f...
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Chapter
Spray Characteristics of a Liquid Jet in a Supersonic Crossflow
In this chapter, phase doppler anemometer (PDA) and particle image velocimetry (PIV) systems were used to experimentally study the characteristics of liquid jets. The two-dimensional PDA system (Dantec Dynamic...
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Chapter
Spatial Distribution of Gaseous Jet in Supersonic Crossflow
The efficient delivery of gaseous fuel into supersonic airflow is very important in high-speed air-breathing engines, which require sufficient fuel–air mixing in the extremely short residence time within the e...
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Chapter
Mixing Characteristics of a Gaseous Jet in a Supersonic Crossflow
The limited flow residence time inside a supersonic combustor makes the mixing of jet fuel and a crossflow a serious problem in air-breathing supersonic engines. The mixing process is the primary factor that r...
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Chapter
Primary Breakup of Liquid Jet in Supersonic Crossflow
In a liquid hydrocarbon-fuelled supersonic combustion ramjet (scramjet) engine, the atomization and mixing of liquid fuel in the supersonic airflow determine the engine ignition reliability and combustion perf...
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Chapter
Introduction
Hypersonic aircraft are flight vehicles which operate at a Mach number higher than 5, including hypersonic cruise aircraft, hypersonic cruise missiles, and reusable orbital aerospace planes. Since these hypers...
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Chapter
Flow Structures of Gaseous Jet in Supersonic Crossflow
Transverse injection into supersonic flow is one of the most fundamental canonical flows for supersonic propulsion community, which has been studied to enhance the understanding of supersonic turbulent mixing ...
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Chapter
Reaction Characteristics of a Gaseous Jet in a Supersonic Crossflow
Most of the previous studies were performed in conventional wind tunnels by accelerating cold air into a supersonic crossflow, namely in low-velocity and low-total enthalpy flow conditions. However, a real sup...
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Article
Novel modified microcrystalline cellulose-based porous material for fast and effective heavy-metal removal from aqueous solution
A novel porous adsorbent with high surface area and rigid structure was prepared by crosslinking oxidized microcrystalline cellulose particles with tetrafluoroterephthalonitrile. N2 adsorption–desorption measurem...
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Article
Assessment of HCV genotypes in Yunnan Province of Southwest China
Recently, we reported that the frequency of hepatitis C virus (HCV) genotypes and subtypes has rapidly changed among intravenous drug users (IDUs) in Yunnan Province over the last 5 years; this is especially t...
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Article
Numerical study on supersonic mixing and combustion with hydrogen injection upstream of a cavity flameholder
Characteristics of supersonic mixing and combustion with hydrogen injection upstream of a cavity flameholder are investigated numerically using hybrid RANS/LES (Reynolds-Averaged Navier–Stokes/Large-Eddy Simu...
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Article
Experimental investigation on transverse jet penetration into a supersonic turbulent crossflow
The paper evaluates the evolvement of coherent structures and penetration height of gaseous transverse jet penetration into a supersonic turbulent flow. The high spatiotemporal resolution coherent structures o...
