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Numerical investigation of natural convection in a square enclosure partially filled with horizontal layers of a porous medium
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Abstract<p>Two‐dimensional buoyancy‐induced flow and heat transfer inside a square enclosure partially occupied by copper metallic foam subjected to a symmetric side cooling and constant heat flux bottom heating was tested numerically. Finite Element Method was employed to solve the governing partial differential equations of the flow field and the Local Thermal Equilibrium model was used for the energy equation. The system boundaries were defined as lower heated wall by constant heat flux, cooled lateral walls, and insulated top wall. The three parameters elected to conduct the study are heater length (7 ≤ <italic>ζ</italic> ≤ 20 cm), constant heat flux (150 ≤ <italic>q</italic>″ ≤ 600 W m<sup>−</sup><sup>2</sup>), and porous material thickness (5 ≤ <italic>H</italic> ≤ 20 cm). The porous material used was the copper metal foam of porosity = 0.9 and pore density PPI = 10, and saturated with a fluid of Prandtl number = 0.7. On the basis of the results obtained, it was concluded that at the porous layer thickness = 5 cm, the rate of heat transferred was (74.6%) higher than when the layer height was 20 cm (the cavity is fully filled) and at the same thickness it was found that the heat rate is (51.4%) higher than when using the half filling (<italic>H</italic> = 10 cm). Further, the local and mean Nusselt number is maximum when using the largest heater size and smallest porous layer thickness. Finally, better circulation and convective modes were observed at high values of heat flux.</p>
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Publication Date
Sun Sep 02 2012
Journal Name
Baghdad Science Journal
Occurrence of Pneumococcal Meningitis in Iraq
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This study focuses on the relative frequency of Streptococcus pneumoniae in children with culture-proven bacterial meningitis. The epidemiology has been investigated with clinical and laboratory findings in The Central Public Health Laboratory, Iraq from April to September, 2010. From (138) samples , (55) cases (39.85 %) were diagnosed by physician as bacterial meningitis, (23) cases (16.66 %) as viral menginitis , (18) cases (13.04 %) as different medical cases (e.g febrile convulsion , meningoencephalitis , epilepsy …etc) and (42) cases (30.43 %) as unidentified medical cases. For bacterial meningitis S.pneumoniae was isolated from (10) cases (18.18 %) only. The median age for bacterial meningitis was (130.75) month and the predomina

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Publication Date
Sun May 12 2019
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Prevalence of Fibromyalgia in Infertile Women
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Background: Fibromyalgia is a functional disorder of growing importance characterized by chronic widespread musculoskeletal pain. It frequently affects women of child bearing age. Infertility is failure to achieve pregnancy within a 12 month period for sexually active individuals under 35 years of age and failure to conceive within a 6 months period for those over 35 years, which can have a major psychosocial impact on the affected person’s life.

Objectives: To estimate the prevalence of fibromyalgia among a sample of infertile women; and to study its relationship with age, length of marriage, duration and type of infertility.

Patients and Methods: A cross-sectional stu

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Publication Date
Sun Apr 24 2022
Journal Name
Journal Of The Faculty Of Medicine Baghdad
use of dietary supplement in Iraq
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Background: Dietary supplementation is a common strategy to achieve a specific health status or performance benefit. The aim of this study was to describe the use of dietary supplement in Iraqi genders.

Patients and Methods:  several questions on dietary supplement use were asked as a part of single performed on 112 female and 247 women aged 35–74 years in 2021 .n = 359) ,reported the frequency and prevalence of supplement use by sex and type of supplement .

Results: the mean percentage of dietary supplement use varied among female and men. Use was higher in women than in men. Vitamins, minerals were the predominant types of supplements reported, but the

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Publication Date
Sun Apr 01 2007
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Causes of Vomiting in Hospitalized Children
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Background: vomiting is a very common symptom of disease in childhood, it occurs both in gastrointestinal and non-gastrointestinal diseases.
Objectives: Our aim of the study was to find out the causes of vomiting in different age group, the improper management of vomiting in daily practice and to emphasis on the usefulness of imaging study in the diagnosis.
Methods: A prospective study was carried out on patients presented with vomiting admitted to Children Welfare Teaching Hospital from the first of Dec. 2001 to the end of April 2002 .The age ranged between early neonatal periods to 12 years of age.
Reults: A total of 100 child were included in this study,(65) male (35) female male to female ratio 

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Publication Date
Sun Apr 01 2012
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Serovalue of hydatid disease in Baghdad
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Background: Echinococcus granulosus is a one major species of medical and public health importance which causes cystic echinococcosis.Hydatid disease is able to modulate antiparasite immune responses, persist and flourish in humans.
Objective: The main objective of this study is to diagnostic value for hydatidosis and to identify the prevalence in human in two different areas of Baghdad city which include urban and rural areas. Evaluating hydatid fluid antigen and hydatid cyst wall antigen for diagnosis of cystic echinococcosis(CE). preparation ELISA kit for detecting specific antibodies in patients and relative sera is considered as an important step in determining the recurrent case after surgical opera

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Publication Date
Sun Aug 13 2017
Journal Name
Ibn Al-haitham Journal For Pure And Applied Sciences
Propagation of Sedum adolphii In vitro
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Sedum adolphii  stem cutting 1-2 cm were sterilized and cultured on different media . The favorable medium for callus formation was Murashige and skoog (MS, 1962)supplemented with Banzylaminopurine ( BAP) plus Naphalene acetic acid (NAA) in106M  each . Whereas, the best medium for differentiation was MS ,1962 supplemented with BAP 10-7M and NAA10-7M . The formed shoots were transferred to media without Auxin (control) or with different (NAA) concentrations (10-6and 10-7M) . The best rooted shoots were on control, transferred successfully to jeffy 7  discs and to the green house after 3 weeks.

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Publication Date
Sat Dec 30 2023
Journal Name
Iraqi Journal Of Science
Complex of Lascoux in Partition (4,4,4)
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In this paper the diagrams and divided power of the place polarization
(k )
ij  , with
its capelli identities have been used, to study the complex of Lascoux in case of the
partition (4,4,4).

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Publication Date
Sun Oct 02 2005
Journal Name
Journal Of The Faculty Of Medicine Baghdad
distribution of mercury in biological fluids
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Background:

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Publication Date
Wed May 17 2023
Journal Name
College Of Islamic Sciences
Dignity in the books of faith
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The issue of dignity is one of the topics that do not pass as long as the earths and the heavens remain; Because the earth is not devoid of the righteous, the believers, the saints, and the pious, and these do not cease from them aid, dignity, insight, or good vision, and from here the authorship in this section was continuous; Because the people’s need for it is confirmed as time progresses, and in that, Ibn Taymiyyah says in the sum of his fatwas, “And from what it should be known is that dignities may be according to the man’s need, so if the weak needs them Faith or the needy, he is given from it what strengthens his faith and fulfills his needs, and he who is more complete is the guardianship of God than him. He is independent

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Publication Date
Sun Dec 30 2012
Journal Name
Al-kindy College Medical Journal
Analgesic Effect of Melatonin in Mice
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Background: Melatonin is the main hormone secreted by the pineal gland. This indole compound (N-acetyl-5-methoxytryptamine) is derived from serotonin after two biochemical steps. Melatonin has been implicated in some pharmacological effects including sedative/hypnotic, anticonvulsant activity and others. The aim of this study was to investigate the antinociceptive effect of different doses of melatonin administered i.p. to mice, and then, to find the dose- response line of melatonin in mice as analgesic agent.
Methods: The dose response effect of melatonin (10, 50, and 100mg/kg) were assessed against control using tail flick test in mice as a model of nociceptive pain. In this model, all doses of melatonin were given intraperitoneally

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