Results 111 to 120 of about 113,995 (347)

Thermal analysis of turbulent flow of a supercritical fluid [PDF]

The influence of the large variation of thermodynamics and transport properties near the pseudocritical temperature on the heat transfer coefficient of supercritical fluid in turbulent flow was studied.
Yamane, E.
core   +1 more source

Analysis of triacylglycerol and phospholipid sn‐positional isomers by liquid chromatographic and mass spectrometric methodologies

Mass Spectrometry Reviews, EarlyView., 2023
Abstract Analysis of triacylglycerol (TG) and phospholipid sn‐positional isomers can be divided into two main categories: (a) direct separation by chromatography or other means such as ion mobility mass spectrometry and (b) quantification of regioisomer ratios by structurally informative fragment ions with mass spectrometric methods.
Mikael Fabritius, Baoru Yang
wiley   +1 more source

Nested subcritical flows within supercritical systems [PDF]

In supercritical systems the design inlet and outlet pressures are maintained above the thermaodynamic critical pressure P sub C. Designers rely on this simple rule of thumb to circumvent problems associated with a subcritical pressure regime nested ...
Braun, M. J., Hendricks, R. C., Mullen, R. L., Wheeler, R. L., III   +3 more
core   +1 more source

Ionic Liquid‐Enhanced Solvent‐Based Fractional Crystallization for Separation of Fatty Acids From Tallow fat—A Modelling Approach

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In industrial practice, fats and oils that contain triglycerides when subjected to high‐temperature and high‐pressure aqueous hydrolysis, yield sweet water as the bottom product and fatty acid mixtures as the top product in a separating column.
K. ShyamSundar, M. Helen Kalavathy, Rames C. Panda   +2 more
wiley   +1 more source

Analysis of Adaptability and Application Potential of Supercritical Multi-Source Multi-Component Thermal Fluid Technology for Offshore Heavy Oil in China

Applied Sciences
Supercritical multi-source, multi-component thermal fluid is a heavy oil thermal recovery method independently developed by China National Offshore Oil Co., Ltd (Beijing, China).
Yan Sun, Lijun Zhang, Yuting Bai, Taichao Wang, Wenbo Zhang, Jipeng Zhang, Pengcheng Liu   +6 more
doaj   +1 more source

The Frequency Dependence of Critical-velocity Behavior in Oscillatory Flow of Superfluid Helium-4 Through a 2-micrometer by 2-micrometer Aperture in a Thin Foil

, 2005
The critical-velocity behavior of oscillatory superfluid Helium-4 flow through a 2-micrometer by 2-micrometer aperture in a 0.1-micrometer-thick foil has been studied from 0.36 K to 2.10 K at frequencies from less than 50 Hz up to above 1880 Hz.
A. Amar, B. Plourde, B.P. Beecken, B.P. Beecken, C. A. Lindensmith, C.A. Lindensmith, E. Varoquaux, G.B. Hess, H.J. Jensen, H.M. Jaeger, I.M. Khalatnikov, J. A. Flaten, J. Maynard, J. Steinhauer, J. Steinhauer, J.S. Brooks, K.W. Schwarz, M. Niemetz, O. Avenel, P. Bak, R.E. Packard, R.E. Packard, S. Field, W. Zimmermann, W. Zimmermann Jr., W. Zimmermann Jr., W. Zimmermann Jr., W. Zimmermann Jr.   +27 more
core   +1 more source

Research on Optimization of Flow Field and Combustion Performance in Boilers With Combined Near‐Wall Air Supply Systems

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT In the pulverized coal boiler industry, reducing NOx emissions has become a critical objective. Although low‐NOx combustion technologies are effective, they may lead to localized high‐temperature corrosion. To address this issue, near‐wall air supply technology has been introduced, which involves injecting an appropriate amount of air near the
Wangyongjia Zhong, Lihua Cai, Dianxu Ruan, Haifeng Fang, Xiangfei Lin   +4 more
wiley   +1 more source

Pattern orientation in finite domains without boundaries

, 2015
We investigate the orientation of nonlinear stripe patterns in finite domains. Motivated by recent experiments, we introduce a control parameter drop from supercritical inside a domain to subcritical outside without boundary conditions at the domain ...
Bergmann, Fabian, Rapp, Lisa, Zimmermann, Walter   +2 more
core   +1 more source

Design and Performance Analysis of a Thermal Energy Storage System With Steam Extraction and Electric Heating in a Coal‐Fired Power Plant

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT To alleviate the impact of the instability of renewable energy power generation on the power grid, coal‐fired power plants (CFPPs) have to undertake peak shaving tasks, which puts forward high requirements for the flexibility of CFPPs. To enhance the flexibility of CFPPs to consume more renewable energy, this paper innovatively proposes a ...
Yuguo Ni, Keliang Liu, Miao Yu, Hao Zhou
wiley   +1 more source

Composition and Injection Rate Co-Optimization Method of Supercritical Multicomponent Thermal Fluid Used for Offshore Heavy Oil Thermal Recovery

Energies
Supercritical multicomponent thermal fluid injection is a new technology with great potential for offshore heavy oil thermal recovery. In the process of thermal fluid generation, the reaction conditions including temperature, pressure, and the organic ...
Shenyao Yang, Zhilin Qi, Jie Tian, Mingda Dong, Wei Zhang, Wende Yan   +5 more
doaj   +1 more source