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柴油乳化液喷雾闪急沸腾与微爆现象的激光阴影试验研究(英文...  CNKI文献

在常压定容室内,应用ND:YAG激光阴影法、高分辨率CCD照相机和粒径分析软件,对不同含水量的柴油乳化液雾油滴的闪急沸腾与微爆现象以及油滴粒径分布进行了试验测量与变参数对比分析,探讨了在130℃温度条件下,乳化油含水...

MEDHAT Elkelawy 张煜盛... 《内燃机学报》 2009年04期 期刊

关键词: 微爆 / 闪急沸腾 / 柴油乳化液 / 滴径测量

下载(277)| 被引(7)

不同燃料的喷嘴内流动与喷雾形态可视化试验  CNKI文献

采用高速可控闪光摄影技术搭建了喷油器喷孔内流动及近场喷雾可视化试验装置,针对柴油、汽油、乙醇柴油、生物柴油4种燃料,对实际尺寸的透明喷油器喷孔内的流动及近场喷雾进行了对比试验研究。试验研究结果表明:所有试...

姜光军 张煜盛... 《农业机械学报》 2014年05期 期刊

关键词: 喷孔 / 流动 / 空穴 / 近场喷雾

下载(374)| 被引(32)

背压对喷油嘴断油过程中气体倒流现象的影响  CNKI文献

基于流体体积(VOF)模型和动态重叠网格技术对针阀关闭过程的喷油嘴内流场进行了瞬态模拟,分析发现在断油过程中,喷油嘴压力室和喷孔入口两个位置都会发生空化现象,与试验现象一致。计算得到的最大空化体积与倒流气体体...

文华 王晨亮... 《农业机械学报》 2017年10期 期刊

关键词: 气体倒流 / 喷油嘴 / 数值模拟 / 可视化试验

下载(143)| 被引(8)

DME闪急沸腾喷雾特性的试验与数值模拟研究  CNKI文献

在压力定容室内,利用数字粒子图像速度场仪(DPIV)对二甲醚(DME)闪急沸腾喷雾特性,以及DME和柴油的常规喷雾特性开展了试验研究;建立了适用于DME闪急沸腾喷雾的宏观现象学模型,并将该模型与KIVA程序相耦合,藉此对DME闪...

余敬周 张煜盛... 《内燃机工程》 2009年03期 期刊

关键词: 内燃机 / 二甲醚 / 闪急沸腾喷雾 / 喷雾特性

下载(316)| 被引(24)

Pediatric case report:primary antiphospholipid syndrom...  CNKI文献

Background:The classical clinical picture of the antiphospholipid syndrome is characterized by venous and arterial thromboses,fetal losses,and thrombocytopenia in the presence of anticardiolipin anti...

Medhat AF Shalaby Mcdhat AW Shabana... Abstracts of the 8th International Congress on SLE 2007-05-01 国际会议

关键词: Pediatric / case / report / primary

下载(2)| 被引(0)

Performance of an Anaerobic Baffled Reactor (ABR) duri...  CNKI文献

appropriate start-up of an anaerobic baffled reactor (ABR) is considered to be the most delicate and important issue in the anaerobic process, and depends on several factors such as wastewater compos...

D.M.Bassuney W.A.Ibrahim... International Scientific Academy of Engineering and Tec... 2013-08-17 国际会议

关键词: Anaerobic / baffled / reactor / Anaerobic

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Enhanced PSO Approach for Real Time Systems Scheduling  CNKI文献

Systems as asymmetric multiprocessor platforms are considered power-efficient multiprocessor architectures,efficient task partitioning(assignment) and play a crucial role in achieving more energy eff...

Medhat Awadalla Abdullah Elewi Proceedings of SCIEI 2015 Paris Conference 2015-04-13 国际会议

关键词: Task / Partitioning / Task / Assignment

下载(1)| 被引(0)

A suggestion of Optimization Process for Water Pipe Ne...  CNKI文献

The main aim of the present study is to produce a suggestion of optimization process of water pipe networks design through studying the effect of pipe and pump costs on the optimization process in a ...

Mohamed Somaida Medhat Elzahar... The proceedings of 2011 International Conference on Env... 2011-10-21 国际会议

关键词: optimum / network / water / pipe

下载(18)| 被引(0)

Risk Assessment of Aviation Fuel Shipment  CNKI文献

Recently,transition to quantitative statement is required for management risk associated withshipment hazardous loads.This issue describes shipment aviation fuels toairport for assurance that product...

M. O. Nafd W. A. Ibrahim... Proceedings of 2012 4th International Conference on Che... 2012-09-01 国际会议

关键词: Environmental / Risk / Assessment / -

下载(12)| 被引(0)

Investigations of Oxy-Fuel Combustion Characteristics ...  CNKI文献

In this work, a modified two-step reaction kinetics model for methane-oxygen combustion is used to predict oxy-combustion characteristics and permeation rate characteristics inside a stagnation flow ...

Medhat Nemitallah Mohamed Habib... Proceedings of 2013 International Conference on Mechani... 2013-01-27 国际会议

关键词: Ion / transport / membrane / Membrane

下载(5)| 被引(0)

Fluid to Fluid Modeling for Post Dry out Using Dimensi...  CNKI文献

In this work, both dimensional analyses using Buckingham Pi-theorem and scaling of the energy equation have been applied successfully in fluid to fluid modeling for post dry out to model the Freon(R-...

Medhat Nemitallah Meamer El-Nakla Proceedings of 2013 International Conference on Mechani... 2013-01-27 国际会议

关键词: Ahmad's / parameter / Critical / heat

下载(2)| 被引(0)

Investigations of an Ion Transport Membrane Reactor Sp...  CNKI文献

This work is aiming to investigate the dependence of the performance of a 3-D ITM reactor depends on the operating conditions and flow configurationThis work is a design problem, where the oxygen sep...

Medhat Nemitallah Mohamed Habib... Proceedings of 2013 International Conference on Mechani... 2013-01-27 国际会议

关键词: Ion / transport / membrane / Membrane

下载(1)| 被引(0)

Effect of climate change on mungbean growth and produc...  CNKI文献

Seeds of mungbeanKawmy-1 variety were exposed to variable extreme waves of temperatures through sowing the seeds on six planting dates,viz.mid-February(15-22 ℃),mid-April(18-26 ℃),mid-June(22-36 ℃...

Ezzat M.Abd El Lateef Mostafa Abd Essalam... 第七届国际作物科学大会摘要集 2016-08-14 国际会议

关键词: Climate / change / Mungbean / Minimum

下载(1)| 被引(0)

EFFICIENT MECHANICAL METHOD FOR MANUFACTURING HOMOGENO...  CNKI文献

An efficient simple mechanical method is introduced to manufacture homogenous carbon nanosheets, having a thickness of the order of nanometer, high shape asymmetry, and a well preserved crystalline o...

Medhat Awad El-Hadek Saleh Hamada Kaytbay Proceedings of the 2011 International Conference on Mec... 2011-12-24 国际会议

关键词: Carbon / Nanosheets / Grain / Refining

下载(2)| 被引(0)

THE ACCELERATED CONCRETE PRISM TEST (60℃):VARIABILITY...  CNKI文献

This paper discusses the results of an interlaboratory study on the Accelerated Concrete Prism Test (i.e. 60℃, R.H. > 95%) for ASR. Concrete mixtures were made in one laboratory with moderately- ...

Benoit Fournier Ray Chevrier... 第十二届国际混凝土碱集料反应会议论文集(Ⅰ) 2004-10-01 国际会议

关键词: Alkali-silica / reaction / accelerated / concrete

下载(10)| 被引(0)

Applying The Neural Fuzzy System To Predict Sugar Cons...  CNKI文献

The current study addresses the prediction of both consumption and production of sugar. The former function's dependent variable is sugar consumption quantity (in kiloton KT) and the independent ...

Medhat Mohamed Abdelaal Proceedings of the Second International Conference on I... 2003-08-01 国际会议

关键词: Artificial / Neural / networks / (ANN)

下载(6)| 被引(0)

Significance of renal staging in systemic lupus erythe...  CNKI文献

Purpose:To asses the significance of histological renal staging in lupus nephritis in relation to the parameters of disease activity,renal function tests and auto antibodies profile.

Medhat Ahmed Fouad Shalaby Tarik Ahmed Al Azraqui... Abstracts of the 8th International Congress on SLE 2007-05-01 国际会议

关键词: SLE)in / relation / to / disease

下载(2)| 被引(0)

Open innovation and alliance formation  CNKI文献

"Open Innovation"is now an essential approach for companies to grow and accelerate the introduction of their new products into the market place.With the imperative to grow,companies can no ...

Medhat Tannous 第五届中美化学工程学术会议论文集 2009-10-13 国际会议

关键词: Open / innovation / and / alliance

下载(4)| 被引(0)

MITIGATION OF ELEPHANT-FOOT BULGE FORMATION IN SEISMIC...  CNKI文献

1 PROBLEM DEFINITION AND OBJECTIVES In assessing the safety of a steel tank under seismic loading, the capacity of its thin wall against buckling must be assured. Shells containing liquids may possib...

Medhat A. Haroun Proceedings of 18th International Conference on Structu... 2005-08-01 国际会议

关键词: MITIGATION / OF / ELEPHANT-FOOT / BULGE

下载(8)| 被引(0)

ACR MODULARIZATION AND CONSTRUCTABILITY:ACHIEVING THE ...  CNKI文献

The Advanced CANDU Reactor (ACR) Modularization and Constructability programs, built on the experience of the successful Qinshan Phase III Project, are key components in achieving the cost and projec...

Rick Ricciuti Ian Love... Abstracts of the 13th International Conference on Nucle... 2005-05-01 国际会议

关键词: ACR / MODULARIZATION / AND / CONSTRUCTABILITY

下载(7)| 被引(0)

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