Experimental and numerical investigations of the centrifugal pump performance at non-cavitating and cavitating flow conditions were carried out in the present study. Experiments were performed by applying a vacuum to a closed-loop system to investigate the effects of the net positive suction head available (NPSHa), flow rate, water temperature and pump speed on the centrifugal pump performance. Accordingly, many of the important parameters concerning cavitation phenomenon were calculated. Also, the noise which is accompanied by cavitation was measured. Numerical analysis was implemented for two phase flow (the water and its vapor) using a 2-D simulation by ANSYS FLUENT software to investigate the internal flow of centrifugal pump under c

Experimental investigations had been done in this research to demonstrate the effect of carbon fiber and Ceramic fillers contents on the tribological behaviour of (15% volume fraction) carbon-epoxy composite system under varying volume fraction, load, time and sliding distance. The wear resistance were investigated according to ASTM G99-05standard using pin on disc machine to present the composite tribological behaviour. The influence of three ceramic fillers, granite, perlite and calcium carbonate (CaCO₃), on the wear of the carbon fabric reinforced epoxy composites under dry sliding conditions has been investigated. The effect of variants in volume fraction, applied load, time and sliding distance on the wear behaviour of po

        The current research aims to investigate the skills of the intended meaning beyond the context when reading poetry among fifth literary students. To achieve the aim of the research, the researcher has followed the descriptive approach and used two tools: an open questionnaire that includes an inquiry about the skills of the intended meaning beyond the poetic context, and a closed questionnaire that were examined by the juries, and modified accordingly. Besides, its validity and stability were examined by applying the study on an exploratory sample of (15) teachers to reach its final version and determine the time required to answer it. Then, the researcher applied it on the research sample of (9

All the Islamic Groups agreed that God Almighty is the speaker as nobody can deny the words of God as Quran texts are explicit in proving that, as all group integrity of God Almighty but the conflict was on the characteristics of words of God due to their differences in their understanding of Quran texts and the differences of their accents, and some adhere to the intellectual aspects like Mutazila whereas others adhere to psychological aspects like Ashaaira, while Handbalis focused on the ancient time of Quran and exaggerated in this , as the issue of words of God is the most critical issue of conflict that occurred in the  Islamic nation.

المقدمة

Out of the studying Arabic lexicon, the search aims to discover the enunciating ,Homeed Thour Al.Hilali, that relates to the field of Delali Maeen .Moreover ,

By looking at the definition of buildings and their sections, the research noted that there is a clear confusion of specialists and researchers because of the leniency in the development of the term appropriate for how the fundamentalist or jurist adopts the Shariah rulings, which they know and divide as evidence and sometimes as rules, foundations, or assets; Hence we had to first study these terms and indicate what is meant by language and terminology; to determine the applicability and proportionality, and to determine the correct term and come up with clear and clear results.

المسألة الدينية عند ألبرت الكبير وتوما األكويني

The current research tries to study the reasons for lying since its
inception, as it is interesting to a child's moral growth, which can benefit from
the results of this research by institutions of socialization, parents and
teachers in the treatment and care of children.
The objective of this research is to highlight the reasons for lying to the
children from the viewpoint of teachers and the answer to the paragraphs of
research designed research instrument (questionnaire) was distributed to a
sample of teachers was clear from the analysis that the reasons lie that
received a high percentage of members of the sample are: -
- The fear of severe punishment
- Child rid himself of a specific problem
- To sat

ابن حزم ، أبو محمد بن احمد بن سعيد بن حزم ، ولد في قرطبة (384هـ - 944م) وتوفي ودفن فيها عام (456هـ - 1016م) علم من أعلام الفكر الأندلسي ومن أجّل وأشهر مفكريه أصالة وعبقرية ، ويعد أفضل من مثل الثقافة الأندلسية في الحضارة العربية الإسلامية ، مفكر كبير ، وصاحب ثقافة واسعة غطت مجالات المعرفة كلها ، له اهتمامات متعددة يدل عليها كثرة تصانيفه والحقول التي كتب فيها ، حيث بلغ مجموع تأليفه نحو أربعة مائة مجلد ⁽¹⁾ ، شملت فروع ا

we conclude that Alaotaby in his Designation, with respect to defects in speech or speech pathology, he cited a number of terms function on speech defects in voice and accent like , Aphasia, Alokla, Alaay, Alramz, Alhasr, Alfadm,and Alaghop, and pointed to the sound stop as a result of an accident or a problem or the speech organ deny the will of the speech, which refers to the refrain defect in sound organic.
He also marked the disorders individual sound caused by the bug of sample and disability among individual like Alokla, node and aphasia - which hinders communication as well as other factors such as irregular sound product and not reporting to be into the future toward the Aljamjamah and whispering, and it can be said that he po