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alkej-365
Numerical Investigations on Heat Flow of Nanofluids in Ribs Tube Configurations
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Abstract

In this paper presents two dimensional turbulent flow of different nanofluids and ribs configuration in a circular tube have been numerically investigation using FLUENT 6.3.26. Two samples of CuO and, ZnO nanoparticles with 2% v/v concentration and 40 nm as nanoparticle diameter combined with trapezoidalribs with aspect ratio of p/d=5.72 in a constant tube surface heat flux were conducted for simulation. The results showed that heat flow as Nusselt number for all cases raises with Reynolds number and volume fraction of nanofluid, likewise the results also reveal that ZnO with volume fractions of 2% in trapezoidal ribs offered highest Nusselt number at Reynolds number of Re= 30000.

Keyword: Heat transfer augmentation, Friction factor, Thermal performance factor, Ribs configuration, CFD simulation, Fluent.

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Publication Date
Mon Oct 06 2014
Journal Name
Journal Of Educational And Psychological Researches
The Effect of the Problem Based Learning on EFL Learners’ Achievement
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The present study discusses the problem based learning in Iraqi classroom. This method aims to involve all learners in collaborative activities and it is learner-centered method. To fulfill the aims and verify the hypothesis which reads as follow” It is hypothesized that there is no statistically significant differences between the achievements of Experimental group and control group”. Thirty learners are selected to be the sample of present study.Mann-Whitney Test for two independent samples is used to analysis the results. The analysis shows that experimental group’s members who are taught according to problem based learning gets higher scores than the control group’s members who are taught according to traditional method. This

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Publication Date
Sun Jan 04 2015
Journal Name
Journal Of Educational And Psychological Researches
The Effect of the Problem Based Learning on EFL Learners’ Achievement
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The present study discusses the problem based learning in Iraqi classroom. This method aims to involve all learners in collaborative activities and it is learner-centered method. To fulfill the aims and verify the hypothesis which reads as follow” It is hypothesized that there is no statistically significant differences between the achievements of Experimental group and control group”. Thirty learners are selected to be the sample of present study.Mann-Whitney Test for two independent samples is used to analysis the results. The analysis shows that experimental group’s members who are taught according to problem based learning gets higher scores than the control group’s members who are taught according to traditional method. This

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Publication Date
Thu Dec 27 2018
Journal Name
Revue Académique De La Recherche Juridique
Extent and limits of the judge's power to the contract (Comparative study)
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The contractual imbalance is perceived today by the majority of the doctrine as being one of the pitfalls to the execution of the contracts. As a result, most legislations grant judges the power to intervene to restore it. Granting the judge the power to complete the contract raises the question of the extent to which the judge can obtain such power. Is it an absolute authority that is not limited? If so, is it a broad discretion in which the judge operates in his conscience, or is it a power of limited scope by specific legal texts and conventions? This is what we will try to answer in this research.

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Publication Date
Sat Sep 30 2023
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
The reflection of environmental quality costs on the evaluation of environmental performance
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Abstract:

               The research aims to achieve defining the concept of environmental quality and associated costs. Studying the impact of environmental quality costs on the performance of economic units. Measuring the relationship between environmental quality and environmental performance of the units. Where the research problem is represented in the weak awareness of some economic units of the importance of environmental quality costs and their impact on evaluating environmental performance, and this leads to neglecting environmental considerations and not improving environmental performance effectively, which negatively affects the en

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Publication Date
Tue Sep 28 2021
Journal Name
Journal Of The College Of Education For Women
Classism Hate Speech in Katherine Mansfield's Short Story ‘The Doll’s House’: A Pragmatic Study: ايمان نوري جاسم , مصلح شويش احمد
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Hate speech (henceforth HS) has recently spread and become an important issue. This type of speech in children's writings has a particular formulation and specific objectives that the authors intend to convey. Thus, the study aims at examining qualitatively and quantitatively the classism HS and its pragmatic functions via identifying the speech acts used to express  classism HS, the implicature instigated as well as impoliteness. Since pragmatics is the study of language in context, which is greatly related to the situations and speaker’s intention, this study depends on pragmatic theoriespeech acts, impoliteness and conversational implicature) to analyze the data which are taken from Katherine Mansfield's short story (The D

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Publication Date
Thu Feb 07 2019
Journal Name
Journal Of The College Of Education For Women
آیات النصح والإرشاد في الأخلاق في سورة البقرة ( دراسة وتحلیل )
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This Research on (Ayat of Advice and Guidance of Morals
Included in Sorat Al-Baqara) is a study for the virtual of Ayat
dealing with advice and guidance.
The importance of this research title comes from the study of
the Holy Quran from one side and the importance of advice and
guidance from the other side, besides, we are truly in need for
such study in our life.

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Publication Date
Mon Nov 26 2018
Journal Name
Arab Science Heritage Journal
الموظفون العثمانيون في ايالة الجزائر (دراسة في أوضاعهم الاجتماعية والاقتصادية)
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        Ottoman Empire created in the state of Algeria staff who manage its affairs on behalf of the Ottomans, who identified their functions and was mostly soldiers Alancksharien, but these soon engaged in Algerian society and coexist with him, and became them their own interests and participated people there in their business and their trades until it became their property and provinces and the interests they manage to order provide for a living.

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Publication Date
Wed Feb 01 2006
Journal Name
Political Sciences Journal
عرض كتاب البرلمان في العراق (دراسة للواقع .. وتأملات في المستقبل)
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عرص كتاب البرلمان في العراق (دراسة للواقع .. وتأملات في المستقبل)

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Publication Date
Wed Jan 01 2014
Journal Name
Journal Of The College Of Languages (jcl)
EL TRATAMIENTO DE LAS UNIDADES FRASEOLÓGICAS EN EL TEXTO PERIÓDISTICO
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The team of this investigation deals with phraseology and the importance of its organized use in the media of communication, especially in the daily newspaper which is used by different society classes.                                                                                      

 So, the journalist

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Publication Date
Sat Sep 30 2023
Journal Name
Journal Of Accounting And Financial Studies ( Jafs )
A model of a proposed audit program to audit the strategies of municipal institutions and its impact on achieving sustainable development: An applied research in the municipal institutions of Karbala Governorate
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Abstract

                  The study aimed to prepare a practical guide for procedures for auditing the strategies of municipal institutions in achieving sustainable development by adopting the idea of ​​the audit matrix through which a classified report is prepared according to the dimensions of sustainable development, by preparing a specialized audit program for the purpose of auditing strategies for achieving sustainable development and emptying the results of the application of each of the paragraphs The program in the audit matrix that was prepared for the purpose of determining the impact of each observation and linkin

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