Preferred Language
Articles
/
alkej-311
Experimental Study Using the Passive Solar Chimney for Evaporative Cooling With PCM and CFM as a Thermal Energy Storage
...Show More Authors

 

      In this work, a test room was built in Baghdad city, with (2*1.5*1.5) m3  in dimensions, while the solar chimneys (SC) were designed with aspect ratio (ar) bigger than 12. Test room was supplied by many solar collectors; vertical single side of air pass with ar equals 25, and tilted 45o double side of air passes with ar equals 50 for each pass, both collectors consist of flat thermal energy storage box collector (TESB) that covered by transparent clear acrylic sheet, third type of collector is array of evacuated tubular collectors with thermosyphon in 45o instelled  in the bottom of TESB of vertical SC. The TESB was made from metallic iron sheets as a shell and fuelled by paraffin wax as phase change material (PCM). The PCM supported by copper foam matrix (CFM) to enhance thermal conductivity of wax. When heat is released from TESB to the air, a buoyancy force will be generated in chimney gaps. Then a difference in pressure between inside and outside test room leads to induce the air flow to test room through wet corrugated cellulose pad, where evaporative cooling (EC) occurs. Results of experimental work, that achieved in June, for 12 to24 hour in the test day, refer to effectiveness using EC to decrease the room temperature comparing. The system reduces test room temperature of up to 8.5~9.2 oC in 11:00 am to 3:00 pm and at highest effectiveness of EC, while minimum reduces in temperature of up to 3.5 oC in 8:00pm to 3:00 am. Also, the results showed the affectivity to using the TESB, during the night time for ventilation and EC, with lower effectiveness than from day time. The range of EC effectiveness equals 30.5-37.5 with a natural vent, while The maximum air change per hour (ACH) equals (3.8-6.187), and the maximum mass flow rate is equal to (36.651 kg.hr-1) at experimental evaluation of the system’s discharge coefficient value 0.371.

View Publication Preview PDF
Quick Preview PDF
Publication Date
Tue Feb 05 2019
Journal Name
Journal Of The College Of Education For Women
Attitudes of Mass Media Students in Baghdad University toward Marriage
...Show More Authors

This Study aims at identifying the attitudes of Masses Media students in Baghdad university toward marriage and the differences of this variable according to sex and the grade. The sample consists of (160) male and Females students, where the questionnaire consists of (40) items’ after achieving their reliability and constancy.
The results show that the attitudes of the students are Positive, there are no differences in the attitudes toward marriage according to sex variable (males and females) and there are differences in the variable of grade toward marriage for the First Class. In the lights of these results the researcher suggests making improvements in the attitudes toward marriage suiting the social value and customs of Iraqi

... Show More
View Publication Preview PDF
Publication Date
Wed May 18 2016
Journal Name
Al-academy
Music Jawq military in Iraq: زينب صبحي عبد البياتي
...Show More Authors

Was and military music still in Iraq whatever tributary of Music, where contributed Brphi Iraqi music musicians, authors and composers of musicians skilled and qualified teachers, was, and still have a big role in the growth and prosperity and progress of contemporary Iraqi music through active and vital role and make a lot of musical tenders excellence in various military and civilian walks of life whether it be in the days of war or peace.As it is the military music schools and the main source of the most important in the education of these machines and training. Therefore occupies the military musicians in Iraq prestigious and important, particularly in the Iraqi National Symphony Orchestra started the forefront of the musical instrum

... Show More
View Publication Preview PDF
Crossref
Publication Date
Thu Feb 24 2022
Journal Name
Journal Of Educational And Psychological Researches
معوقات عمل المرأة في المنظمات غير الحكومية بحث ميداني
...Show More Authors

The issue of volunteerism is one of the most important issues that have become prominent in social sciences and contemporary social thought, especially as a result of the transformations and changes that the world undergoes today. The voluntary sector has become the concern of all societies and governments for its development and service to society and various sectors. The practice of women is prominent in the work of volunteerism after 2003 in Iraq, but its work face a number of obstacles and hindrance. The problem of research is the obstacles of women's work in non-governmental organizations. The research aims to identify the nature and characteristics of volunteer work of Iraqi women.        &nb

... Show More
View Publication Preview PDF
Publication Date
Sun Jan 17 2021
Journal Name
Arab Science Heritage Journal
التنظيمات المالية في العصر العباسي (132-566هـ/749-1170م)
...Show More Authors

The Abbasid Caliphate generally paid attention to the financial aspect through the collection of resources , And also in terms of spending these resources

View Publication Preview PDF
Crossref
Publication Date
Mon Nov 19 2018
Journal Name
Arab Science Heritage Journal
تعمير تعمير الأرض وأهمية الغرس في ضوء السنة النبوية
...Show More Authors

Islam is a religion that God wanted to be a platform emerges from human steps in various walks of devotional and economic life, etc, so it went Islam, guids human beings being as successor of God on earth.

 The result that the worship of man for the Lord, which is one of the reconstruction of the land that is the secret of the sustainability of human life on the ground, often urged the Sunnah on the reconstruction of the earth and the importance of planting them and paired the reconstruction work that obtained by the human reward which would Allah his home in the Hereafter, There construction of the earth does not involve just planting them; it takes many forms Maintaining them and not marring the form of reconstruction and

... Show More
View Publication Preview PDF
Publication Date
Wed Nov 14 2018
Journal Name
Arab Science Heritage Journal
الامام الإمام الطرطوشي (520هـ) وآراؤه الفقهية في الأحوال الشخصية
...Show More Authors

This research deals with the ideas of Imam Muhammad bin Al-Waleed bin Khalaf bin Sulaiman bin Ayyub , Al -Qurashi, The Moroccan, The  Andalusian, Al-Maliki. He was  known as Abu Bakr Al-Tartoushey , where thesis deals  with the details of his personal life and as well as his scientific path  as well as  his works, and also covered the views of jurisprudence in the personal status and especially on the subject of divorce and inheritance,

View Publication Preview PDF
Publication Date
Fri Feb 08 2019
Journal Name
Journal Of The College Of Education For Women
إدراك الأزیاء في ظل علاقاتھا الجمالیة بعناصر العرض المسرحي
...Show More Authors

The fashion accused important optical avenge with the rest of visual elements
, That style of fashion design stir up beautiful feelings by using fashion forming
that is suitable with the nature of designable treatments to other elements .
The fashions contains the nature of relation ships of educational address and
the kind of beliefs , So the visual beauty is limited for those relation which are the
designer fashion tried to redesign and set them anew . so as to goes with beautifully
with the last visual for fashions.

View Publication Preview PDF
Publication Date
Sun Jul 03 2005
Journal Name
Political Sciences Journal
المنازعات والحروب الاهلية في العالم الثالث نموذجاً الصومال وافغانستان
...Show More Authors

المنازعات والحروب الاهلية في العالم الثالث نموذجاً الصومال وافغانستان

View Publication Preview PDF
Crossref
Publication Date
Sun Nov 15 2015
Journal Name
مجلة دراسات ادارية
‫بواعث الفساد وتقنيات مواجهته في المؤسسات العامة - العلاقة والأثر
...Show More Authors

كان الفساد وما زال أحد المواضيع الرئيسة التي شغلت اهتمام الباحثين والدارسين في المجالات المعرفية المختلفة بضمنها المجال الإداري نظراً للتأثير السلبي والمباشر لإدارات المؤسسات الحكومية العامة على نجاح برامج وخطط التنمية في تحقيق أهدافها المجتمعية, إذ أن عملية تنفيذ هذه البرامج تقع على عاتق إدارات هذه المؤسسات في إطار التزام العاملين فيها بتحقيق الأهداف والسياسات التنموية العامة للدولة ، وحرصهم على تلبية ا

... Show More
Publication Date
Mon Jan 01 2018
Journal Name
Journal Of The College Of Languages (jcl)
LA METÁFORA, LA METONIMIA Y OTROS FENÓMENOS RETÓRICOS EN LENGUA ÁRABE Y ESPAÑOLA
...Show More Authors

Resumen:

En este artículo se indaga sobre fenómenos como la metáfora, la metonimia, la polisemia, y la homonimia en las lenguas árabe y española, según la teoría cognitiva, basada en el pensamiento y la práctica lingüística. Esta teoría intenta investigar la relación entre el lenguaje humano, la mente y la experiencia. En realidad, los fenómenos que estudiaremos crean ambigüedad léxica y sintáctica tanto en árabe como en español. Además, dichos conceptos tienen sus propias características, especificaciones y formas en cada lengua.
Abstract:

This article studies phenomena such as metaphor, metonymy, polysemy, homonymy in Arabic and Spanish, according to cognitive theory, based on linguistic thought a

... Show More
View Publication Preview PDF