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Design and control of a novel side-stream extractive distillation column for separating methanol-toluene binary azeotrope with intermediate boiling entrainer
Side-stream extractive distillation column intermediate boiling entrainer Dynamic control Binary azeotrope Methanol-toluene
2023/6/19
It is innovative and important to perform complex binary azeotrope separation via single distillation column. In the article, design and control of a novel and simple side-stream extractive distillati...
Design and comparison of conventional and side-stream extractive distillation sequences for separating the methanol-toluene binary azeotrope with intermediate boiling entrainer
Side-stream extractive distillation Separation sequences Intermediate boiling entrainer Eco-efficiency analysis Methanol-toluene
2023/6/19
The side-stream extractive distillation (SSED) system is attracting widespread attention due to its high eco-efficiency. In the article, three double-column SSED (DC-SSED) sequences and two single-col...
When you’re frying something in a skillet and some droplets of water fall into the pan, you may have noticed those droplets skittering around on top of the film of hot oil. Now, that seemingly trivial...
Boiling for Science
Science beginning students
2015/7/23
In this column we customarily deal with philosophical issues in ocean education. At the suggestion of a few readers, I'd like to turn to a practical demonstration of some ways to invite critical think...
Modeling of Flash Boiling Flows in Injectors with Gasoline-Ethanol Fuel Blends
Flash Boiling Flows Injectors Gasoline-Ethanol Fuel Blends
2014/10/24
Flash boiling may be defined as the finite-rate mechanism that governs phase change in a high temperature liquid that is depressurized below its vapor pressure. This is a transient and complicated phe...
Quality Characteristics of Processed Flours from Trifoliate Yam (Dioscorea dumetorum) as Influenced by Steeping and Boiling in Varying Concentration of Trona Solution over Time
Trifoliate Yam Processed Flours
2016/6/2
The use of additives (trona solutions) in pre treatment of stored trifoliate yam in order to reduce cooking time and evaluation of quality characteristic of the resultant flours were studied. Selected...
Enhanced flow boiling in parallel microchann els with metallic porous coating
Parallel microchannels Flow boiling Heat transfer Pressure drop Porous coating
2016/12/2
Three heat sinks with porous-coated parallel microchannels were fabricated by using a solid-state sintering method. The enhanced flow boiling of anhydrous ethanol in the porous-coated microchannels wa...
Effect of Germination, Boiling and Co-fermentation on the Viscosity of Maize/cowpea Mixture as Complementary Infant Food
Germination Boiling Co-fermentation
2016/6/1
Traditionally prepared cereal based complementary food are too dilute for adequate energy and nutrient density as infant complementary food. The consistency of complementary food is of particular impo...
FLOW BOILING HEAT TRANSFER COEFFICIENT OF R-134A/R-290/R-600A MIXTURE IN A SMOOTH HORIZONTAL TUBE
heat transfer coefficient stratified flow acetone
2009/10/14
An investigation on in-tube flow boiling heat transfer of R-134a/R-290/R-600a (91%/4.068%/4.932% by mass) refrigerant mixture has been carried out in a varied heat flux condition using a tube-in-tube ...
Numerical Investigation of Subcooled Boiling in a Vertical Pipe Using a Bubble-Induced Turbulence Model
Subcooled boiling k− turbulence model bubbles
2009/10/12
A bubble-induced turbulence model is applied to subcooled boiling of water in a vertical pipe. The volume fractions, velocities, temperatures of water and steam and turbulence characteristics of the f...
Simulation of Boiling Flow Experiments Close to CHF with the Neptune_CFD Code
the Neptune_CFD Code Flow Experiments
2009/9/3
A three-dimensional two-fluid code Neptune_CFD has been validated against the Arizona State University (ASU) and DEBORA boiling flow experiments. Two-phase flow processes in the subcooled flow boiling...
Modeling of Multisize Bubbly Flow and Application to the Simulation of Boiling Flows with the Neptune_CFD Code
Multisize Bubbly Flow Boiling Flows
2009/9/3
This paper describes the modeling of boiling multisize bubbly flows and its application to the simulation of the DEBORA experiment. We follow the method proposed originally by Kamp, assuming a given m...
Mechanistic Multidimensional Modeling of Forced Convection Boiling Heat Transfer
Mechanistic Boiling Heat Transfer
2009/9/3
Due to the importance of boiling heat transfer in general, and boiling crisis in particular, for the analysis of operation and safety of both nuclear reactors and conventional thermal power systems, e...
Extraction of CSVd-RNA by Boiling for Dot Blot Hybridization
Hybridization CSVd-RNA Extraction
2009/7/13
A new and simple boiling method for extracting chrysanthemum stunt viroid (CSVd) RnA is described. Fresh leaves of CSVd-infected chrysanthemum were homogenized in an equal volume of CTAB buffer then c...
柴油机缸盖水腔流动与沸腾传热的流固耦合数值模拟（Fluid-solid Coupling Numerical Simulation on Flow and Boiling Heat Transfer of Cooling Water-jacket in Cylinder Head of Diesel Engine）
气缸盖 冷却水腔 沸腾传热 流固耦合 数值模拟
2010/5/5
采用CFD软件STAR-CD和FEA软件ABAQUS对226B型柴油机缸盖冷却水腔内的流动和传热过程进行了流固耦合数值模拟计算。为反映沸腾传热的影响，基于FORTRAN语言开发了单相流沸腾传热模型，将其嵌入到STAR-CD中。与试验结果的比较表明，加入沸腾传热模型可以大幅度提高模拟计算的精度，最大误差由18%下降至7%，为柴油机冷却水腔的优化设计提供了理论依据。 Fluid-solid coupl...