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2026

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Catalytic Reaction Of Ethanol Into Light Olefins Over 2wt%Cuo/Hzsm-5, Fanar G. Hashim Hashim Aug 2026

Catalytic Reaction Of Ethanol Into Light Olefins Over 2wt%Cuo/Hzsm-5, Fanar G. Hashim Hashim

Engineering and Technology Journal

There was increasing in the international needing for fossil fuel, which is formed from nonrenewable materials such as crude oil. Bio-ethanol considered one of the materials that can be produced from renewable sources like the fermentation of sugar cane. 2wt% CuO doped HZSM-5 has been modified by the impregnation method. All experimental runs have conducted at 500 °C, 1 atmosphere pressure and WHSV 3.5 h-1 in a fixed bed reactor. Catalyst, which modified in this work, was analyzed by SEM and XRD as well as TGA experiment. The analysis hydrocarbons products have done by gas chromatographs provided with flame ionization …

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Diagnosis And Evaluation Of Defects Encountered In Newly Constructed Houses In Erbil City, Kurdistan, Iraq, Khalil Wali, Noori Ali Aug 2026

Diagnosis And Evaluation Of Defects Encountered In Newly Constructed Houses In Erbil City, Kurdistan, Iraq, Khalil Wali, Noori Ali

Engineering and Technology Journal

This study investigated the types and profile of defects facing newly constructed houses through conducting a survey and analyzing defect records of data observed for 652 houses out of 1000 houses newly constructed for Salahaddin University academic staff in Erbil City. The result of analysis revealed that the overall of 6758 defects identified with the mean average of 10 defects per house. The overall percentage of defected houses for each type of defects and the location of the defect ranged from 10% to 67%. The most defected components found in the doors and windows, which comes in rank 1 with …

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Optimal Location And Parameter Setting Of Statcom Device Based Pso For Iraqi Grid Voltage Profile Enhancement And Power Losses Minimizing, Rashid Al-Rubayi, Mohammed Eesee Aug 2026

Optimal Location And Parameter Setting Of Statcom Device Based Pso For Iraqi Grid Voltage Profile Enhancement And Power Losses Minimizing, Rashid Al-Rubayi, Mohammed Eesee

Engineering and Technology Journal

The main goal of this work is to enhance the Voltage stability by using optimum location and parameters setting of STATCOM device. The parameters are the magnitude of the output voltage ������ and the angle ������, these parameters are taken to control the device performance. The simulation results have been done by using power flow program solution by Newton-Raphson method (Matlab program / M-file) with Particle Swarm Optimization (PSO) technique, for power losses minimizing and improving voltage profile. Two systems have been implemented:- IEEE 5-bus test system and Iraqi (400 kV) National super Grid System 27-bus. The MATLAB programs are …

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Examining The Impact Of Different Thermosyphon Diameters And Working Fluids On Their Performance, Talib Farge, Sahar Al-Sakini, Aseel Ismael Aug 2026

Examining The Impact Of Different Thermosyphon Diameters And Working Fluids On Their Performance, Talib Farge, Sahar Al-Sakini, Aseel Ismael

Engineering and Technology Journal

This work was designed to examine the effect of various thermosyphon diameters and working fluids on the thermosyphon performance. A thermosyphon made from copper tubes with three different external diameters 7, 13 and 22mm with thickness of 1mm is used in this work. The length of evaporator and condenser were 120 and 300 mm respectively. Working fluids were water, acetone and Freon R11 working fluids are tested. The obtained results have shown that the temperature gradient was decreased when increasing the thermosyphon diameter. Also, the results showed that the Merit for water had the highest value than the other working …

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Investigation Of Corrosion Protection For Steel By Eco-Friendly Coating, Majid Abdulmajeed, Hiba Abdullah, Slafa Ibrahim, Ghaith Alsandooq Alsandooq Aug 2026

Investigation Of Corrosion Protection For Steel By Eco-Friendly Coating, Majid Abdulmajeed, Hiba Abdullah, Slafa Ibrahim, Ghaith Alsandooq Alsandooq

Engineering and Technology Journal

The coupling effect of coating and inhibition has been investigated in the present work. polypyrrole coating with adding coumarin was applied on carbon steel to protect it against corrosion. Electropolymerization process by cyclic voltammeter was carried out in 0.2M oxalic acid electrolyte containing 0.1M pyrrole monomer without and with 0.01M coumarin as an eco-friendly inhibitor. SEM/EDS, AFM and FTIR techniques were used to identify the coating film. Corrosion test using Potentiostat was achieved for uncoated and coated specimens and the results indicated that the corrosion potentials became nobler compared with uncoated specimen, this means that the anodic sites were covered …

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Effect Of Using Local Insulation Materials On The Indoor Temperature Of Residential Buildings At Iraq, Abdulrahman Mahmood, Haqi Qatta, Nassr Hussein Aug 2026

Effect Of Using Local Insulation Materials On The Indoor Temperature Of Residential Buildings At Iraq, Abdulrahman Mahmood, Haqi Qatta, Nassr Hussein

Engineering and Technology Journal

In this research, a thermal insulation between the two layers of a wall has been used for the residence buildings to reduce the heat transmitted across the walls and thus reducing the power consumption for cooling load. A MATLAB program was used to obtain the thermal response for various types of walls from the energy sources (solar radiation and ambient temperature) in summer season in Baghdad, Iraq. Local materials used in this study as thermal insulators between the two layers of walls are: local cane mat, wood sawdust and cork grains. Modeling tests were carried out on June, July and …

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Response Of Bread Wheat To Abscisic Acid Under Water Stress, Shatha Ahmed, Emad Hashim, Ahmed Al-Taie Aug 2026

Response Of Bread Wheat To Abscisic Acid Under Water Stress, Shatha Ahmed, Emad Hashim, Ahmed Al-Taie

Engineering and Technology Journal

Field experiments were carried out at the Field Crops Research Station of the Agricultural Research Office - Abu Ghraib, during Seasons of 2014-2015 and 2015-2016 to study the effect of four concentrations of abscisic acid (ABA) on some of the physiological characteristics of cultivar bread wheat (Bohooth10) under water stress. The experiments were applied according to randomized complete block design (RCBD) by split plot arrangement with three replicates. Water treatments, which occupied the main plots, included four water irrigation quantities, which were irrigated when depletion 50%, 70% and 40% of available water, in addition to rainy treatment (germination irrigation + …

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The Effect Of Using Multi Types Of Mineral Admixtures On Some Properties Of Lightweight Self-Compacting Concrete, Waleed Razaq, Qais Freih, Shubbar Al Obaidey Aug 2026

The Effect Of Using Multi Types Of Mineral Admixtures On Some Properties Of Lightweight Self-Compacting Concrete, Waleed Razaq, Qais Freih, Shubbar Al Obaidey

Engineering and Technology Journal

The main objective of this research was studying the effects of using multi types of mineral admixtures as high reactivity Attapulgite (HRA), high reactivity Metakaolin (HRM) and fly ash (FA) on some rheological and mechanical properties of lightweight self - Compacting concrete (LWSCC), when were used as a partially replacement by weight of cement. The results showed that using of (HRA) and (HRM) increased the superplasticizer (SP) dosage, while (FA) with spherical particles reduced the (SP) dosage relative to reference mix (Ref. mix) to get the same slump flow target value. The optimum content for (HRA) used in this study …

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Comparison Of The Trends Of Mean Temperature And Rainfall Rate In The City Of Samawah (Iraq) With Global Climate Change, Athier Hussin Aug 2026

Comparison Of The Trends Of Mean Temperature And Rainfall Rate In The City Of Samawah (Iraq) With Global Climate Change, Athier Hussin

Engineering and Technology Journal

Increasing earth temperature due to the high level of greenhouse gas has affected the other climate elements on the earth surface. However, there was a little consideration of the differences between the global and local scale of climate change. This research included a comparison between the global climate change and the changes of climate elements that happened in Samawah city. The results showed that there is a significant difference between the increasing annual mean temperature globally and the annual mean temperature in the city. For example, when comparing the increase in annual mean temperature of the city for the period …

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Study The Catalytic Oxidation Of Phenol In Both Baskets Stirred Tank And Packed Bed Reactors, Ghayda Al-Kindi, Faris Al Ani Aug 2026

Study The Catalytic Oxidation Of Phenol In Both Baskets Stirred Tank And Packed Bed Reactors, Ghayda Al-Kindi, Faris Al Ani

Engineering and Technology Journal

The aim of this study, using five types of AL-Fe pillared Iraqi clay to study catalyst wet air oxidation to oxide phenol from synthesis’s wastewater and study the limitation criteria in control of operating conditions. Two types of reactor (Batch and packed bed) used to study operation conditions and the best conditions result from Batch reactor was pressure 3.2Mpa, temperature 130⁰C, phenol concentration 500mg/l and pH 3.9, for packed bed reactor with AL-Fe pillared clays of Anbar-Erbil, Mosul, due to high phenol removal, in up-flow mode. The results show that phenol removal is 98-97.8-95% for Erbil-MosulAnbar respectively, when the LHSV …

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Effect Of Operating Parameters On Degradation Of Eriochrome Black T Dye, Walaa Sabre, Sheymaa Mohammed, Ahmed Ali Aug 2026

Effect Of Operating Parameters On Degradation Of Eriochrome Black T Dye, Walaa Sabre, Sheymaa Mohammed, Ahmed Ali

Engineering and Technology Journal

Of the effect, the process parameters on photocatalytic degradation Eriochrome black T( EBT) dye has been degraded in a batch reactor under UV light in heterogeneous slurry utilizing various concentrations of two semiconductors commercial catalysts (Titanium dioxide and Zinc Oxide). The parameter has been studied (catalyst type, catalyst concentration, pH of dye solution and initial dye concentration). The results showed that the best dose of TiO2 and ZnO are 1.5 and 1 g/l respectively and the optimum pH (6 and 11) using TiO2 and ZnO respectively. Moreover, the comparative assessment of the photocatalytic efficiency was made for different photocatalytic powder. …

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Adsorption Study Of Nitrate Anions By Different Materials Using Fixed Bed Column, Anaam Sabri, Noor Abbood Aug 2026

Adsorption Study Of Nitrate Anions By Different Materials Using Fixed Bed Column, Anaam Sabri, Noor Abbood

Engineering and Technology Journal

MCM-41is, a mesoporous material with a hexagonal structure, has a high surface area, high pore vol., and low mass density. Continuous adsorption fixed bed of NH2-MCM-4I adsorbent was utilized for the removal of nitrate anions from aqueous solutions. The effect of adsorbent weight (0.5, 1, 2 gm), flow rate (0.5, 1.0, 1.5 ml/min) and initial NO3 - concentrations (50, 75, 100 mg/l) on breakthrough curves were studied. It was found that breakthrough time increases with increasing column bed height and decreases with increasing NO3 - inlet concentration and flow rate. The highest removal percentage (75.2%) achieved at inlet concentration of …

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Effect Of Compost And Humic Acid On Potato Growth And Quality, Abbas Mijwel, Adel N. Abed Al-Redha Abed Al-Redha, Tarif Bresim Aug 2026

Effect Of Compost And Humic Acid On Potato Growth And Quality, Abbas Mijwel, Adel N. Abed Al-Redha Abed Al-Redha, Tarif Bresim

Engineering and Technology Journal

an experiment was carried out in Karbala on 10/9/2014 using the compost of palm residues at four levels (0, 20, 30, 40) tan.h-1 and the humic acid in three concentrations (0,1.5, 3)ml.L-1 to determine the effect of these factors and their interaction in growth and quality characteristics of potato and find organic fertilizer combination instead of chemical fertilizers. The addition of the compost of the residue palm has a significant and positive effect on all studied traits (Number of branches.plant-1, Plant height, percent of the dry weight of vegetative growth, percent of nitrogen, phosphorus and potassium in tubers, ratio of …

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Comparison Between Iraqi Gauges And Trmm Rainfall Data Over Middle Euphrates Region During Period From 1998 To 2017, Imzahim Abdulkareem, Abdul Razzak Ziboon, Alaa Khalaf Aug 2026

Comparison Between Iraqi Gauges And Trmm Rainfall Data Over Middle Euphrates Region During Period From 1998 To 2017, Imzahim Abdulkareem, Abdul Razzak Ziboon, Alaa Khalaf

Engineering and Technology Journal

The aim of this paper is evaluated and compares between Iraqi gauges in the Middle Euphrates region and TRMM rainfall data during the period from 1998 to 2017. Middle Euphrates Region, whose Area is 26611 km2 was selected as a study area. Two sets of Iraqi data gauges and Tropical Rainfall Measuring Mission (TRMM) average monthly rainfall data were used for analysis. Rainfall data were acquired from two sources, Iraqi Meteorological Organization and Seismology (IMOAS) and Giovanni website to download TRMM v7 0.25-degree data. Data collected from five stations in the study area and these stations are, Dewaniya, Hilla, Karbala, …

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Evaluation Biosorption And Recovery Of Zn, Cr And Ni Ions From Industrial Wastewater Using Beads Of Banana Peel Powder Constrained By Calcium Alginate, Sufyan Shartooh, Sedik Al-Haiyaly Aug 2026

Evaluation Biosorption And Recovery Of Zn, Cr And Ni Ions From Industrial Wastewater Using Beads Of Banana Peel Powder Constrained By Calcium Alginate, Sufyan Shartooh, Sedik Al-Haiyaly

Engineering and Technology Journal

Plant wastes have been successfully applied as biosorbent materials of several heavy metal ions from industrial wastewater due to the obvious capability of removing significant quantities of heavy metal ions. In the current work, banana peel powder was constrained by calcium alginate for polymerization and bead formation and subjected to both biosorption and recovery processes of Zn, Cr and Ni ions from untreated wastewater, collected from general state electrical manufacturing company in Baghdad-Iraq, using designed laboratory treatment unite. It has been found that the capacity of immobilized banana peel was significantly higher in bioremoving Zn, Cr and Ni ions than …

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Slurry Infiltrated Fiber Concrete As Sustainable Solution For Defected Buildings, Mays Alrubaie, Dalya Hameed, Shakir Salih, Galib Habeeb Habeeb, Waleed Abbas Aug 2026

Slurry Infiltrated Fiber Concrete As Sustainable Solution For Defected Buildings, Mays Alrubaie, Dalya Hameed, Shakir Salih, Galib Habeeb Habeeb, Waleed Abbas

Engineering and Technology Journal

One of the new concrete technology applications that had to get increased importance as repairing and retrofitting technique is slurry infiltrated fiber concrete (SIFCON). This research aims to investigate some of the mechanical properties of SIFCON and its role in improving the useful life of normal concrete. The research consists of two parts; in the first part, three mixes are prepared with 0%, 1.5%, and 6% volume fraction steel fiber content. Compressive strength, flexural strength, total absorption and apparent density tests are made for each mix. In the second part, a composite section of normal concrete and SIFCON mix with …

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Treatment Of Crude Oil Spills In Water Resources By Using Biological Method, Ibtihaj Abdulrazzak, Mohammed Hafiz, Ali Ibrahim Aug 2026

Treatment Of Crude Oil Spills In Water Resources By Using Biological Method, Ibtihaj Abdulrazzak, Mohammed Hafiz, Ali Ibrahim

Engineering and Technology Journal

Biological treatment has definite to be an effective and excellent method for the removal of aquatic oil spills. It is competent of being used as the best treatment method for cleanup of oil spills. Being a potential technology, significant work needs to be done to improve the capabilities of bioremediation for oil contaminated-aquatic environment. Novel application of combined solvent extraction and two-phase biodegradation processes using Two-Liquid Phase Partitioning Bioreactor (TLPPB) technique was proposed and developed to enhance the cleanup of high concentration of crude oil from aqueous phase using acclimated mixed consortiums in an anaerobic environment. Silicone oil was used …

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Evaluation Of Water Treatment Residue As A Sorption Medium And Its Application To Control Phosphate Level In Water, Mahmood Barbooti, Shaymaa Hasan, Mustafa Jassim Aug 2026

Evaluation Of Water Treatment Residue As A Sorption Medium And Its Application To Control Phosphate Level In Water, Mahmood Barbooti, Shaymaa Hasan, Mustafa Jassim

Engineering and Technology Journal

Wastewater treatment residual material, WTR, from a local drinking water facility in Baghdad, was evaluated as a potential medium for the removal of some unwanted species from water. The material was first characterized by chemical composition, X-ray diffraction and infrared spectral analysis prior to its use as an adsorbent. The x-ray revealed that the material is a calcium based water treatment residue mixed with silica and impurities of oxides like MgO and Fe2O3. The adsorption characteristics of the material were evaluated by studying the adsorption of methylene blue. The cation exchange capacity and the surface area had values of 10.5 …

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Predictive Modeling Of Multilayer Graphene Growth By Chemical Vapour Deposition On Co-Ni/Al2o3 Substrate Using Artificial Neural Network, May Muslim, Zainab Yousif, Mohamed Abdel Ghany Aug 2026

Predictive Modeling Of Multilayer Graphene Growth By Chemical Vapour Deposition On Co-Ni/Al2o3 Substrate Using Artificial Neural Network, May Muslim, Zainab Yousif, Mohamed Abdel Ghany

Engineering and Technology Journal

The uniqueness of multilayer graphene as extremely high carrier mobility, tune-able band gap and high elasticity has made it be considered as a high prospect engineering material that can be employed for several applications such as solar cells, field effect transistors, super-capacitors, batteries and sensors. In this study, the application of Artificial Neural Networks (ANN) for the predictive modeling of multilayer graphene (MLG) growth by chemical vapor deposition (CVD) on Co-Ni/Al2O3 substrate was investigated. Data comprises temperature, catalyst compositions, ethanol flowrates were generated using central composite experimental design and employed to obtain the MLG yield as the response. The data …

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Biofilm Inhibitory Potential Of Westiellopsis Prolifica Extract Against Some Pathogenic Microorganisms, Neihaya Heikmat, Ghaidaa Abd Ali, Shurooq Al-Razaq, Nada Mahdi Mahdi Aug 2026

Biofilm Inhibitory Potential Of Westiellopsis Prolifica Extract Against Some Pathogenic Microorganisms, Neihaya Heikmat, Ghaidaa Abd Ali, Shurooq Al-Razaq, Nada Mahdi Mahdi

Engineering and Technology Journal

Resistance of microorganisms to many kinds of antibiotics push towards using natural products to eliminate the biofilm. In this study, 7 different species of algae were identified, 3 species of Chlorophyta and 3 of Cyanophyta. Westiellopsis prolifica is considered a potent organism. Fourier transform infrared spectroscopy (FTIR) was determined 13 clear bands, and the main bands were carbohydrate (1200- 900 cm−1), protein (1660 and around 1540 cm−1) and lipid bands (1740 cm−1). Extracellular crude acetone extract from W. prolifica better than hexane extract and more efficient on negative gram bacteria than positive gram bacteria. Antibiofilm was conducted by Congo red …

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Heavy Metals Content In Several Imported Rice Crops (Oryza Sativa) From The Local Markets, Basim Faraj, Sedik Al-Hiyaly, Athmar Almashhady Aug 2026

Heavy Metals Content In Several Imported Rice Crops (Oryza Sativa) From The Local Markets, Basim Faraj, Sedik Al-Hiyaly, Athmar Almashhady

Engineering and Technology Journal

Rice crop may be subjected to several heavy metals contamination due to various causes such as contaminated irrigating water, fertilizers containing certain heavy metals and other agricultural applications. This work was designed to examine several heavy metals (Lead, Chromium, Arsenic and Copper) in rice crop imported from India, USA, Brazil, Thailand, Paraguay and Uruguay in addition to locally cultivated rice. Rice samples were collected from local markets and subjected to the examination of above heavy metal content using acidic digestive method and heavy metal ions were determined by Atomic Absorption Spectrophotometer. It has been found that these examined rice crops …

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The Influence Of Recycled Crushing Strength Of Rc Beams Under Repeated Loading, Mohammed Al Hamdani, Marawan Hamid, Nada Al Hussiny Aug 2026

The Influence Of Recycled Crushing Strength Of Rc Beams Under Repeated Loading, Mohammed Al Hamdani, Marawan Hamid, Nada Al Hussiny

Engineering and Technology Journal

This paper describes a study of the effect of crashed (recycle) concrete on reinforced concrete beams. Three-dimensionally nonlinear finite elements analysis has been used conducted the numerical investigations of the general study of recycling-beam. ANSYS.11.0 computer-program using in this paper. Solid65 using as element of concrete, link8 for steel. The compression strength of the concrete mix decrease due to the strength of crashing concert. It’s weaker than gravel aggregate, that lower strength due to weak of old mortar cement around the aggregate and due to crashed process. The percentage of decrease of the compressive strength equal to (59.8) % and …

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Air Pollution Effects In Some Plant Leaves Morphological And Anatomical Characteristics Within Baghdad City. Iraq, Abdul Hameed Al-Obaidy, Israa Jasim, Abdul-Rahman Alkubaisi Aug 2026

Air Pollution Effects In Some Plant Leaves Morphological And Anatomical Characteristics Within Baghdad City. Iraq, Abdul Hameed Al-Obaidy, Israa Jasim, Abdul-Rahman Alkubaisi

Engineering and Technology Journal

The present study examined the air pollutants effects in seven plant species leaves, Olea europea L., Zizphus spina-christi L. Desf., Conocarpus lancifolius Engl., Albizia lebbeck L. Benth., Eucalyptus camaldulensis Dehnh., Clerodendron inermis L. Graeth and Dodonaea viscasa Jacq., distribute within Baghdad city. The leaves sample were collected from May (2016) to April (2017) in five regions within Baghdad city, which are Karrada, Sadr City, Shoula and Mansur, as well as Baghdad tourist island as a control region. The Sulfur dioxide (SO2), Nitrogen dioxide (NO2), Carbone monoxide (CO), Volatile organic compounds (VOCs) and Suspended particulate matter (PM) were measured in all …

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Effect Of Gamma Radiation On Callosobruchus Maculatus (F.) (Coleoptera: Bruchidae) And Seed Germination, Sahar Abd, Soolaf Kathier, Emad Mahmmod Aug 2026

Effect Of Gamma Radiation On Callosobruchus Maculatus (F.) (Coleoptera: Bruchidae) And Seed Germination, Sahar Abd, Soolaf Kathier, Emad Mahmmod

Engineering and Technology Journal

The grain legumes are the second most important economic crops attacked by many of storage pests, one of these pests is Cowpea seed beetle (Callosobruchus maculatus). Gamma radiation appears to be a potential alternative to chemicals control in stored products. Therefore, this research aims to study the effect of gamma radiation (0.03, 0.06, 0.09, 0.12, 0.15, 0.18 and 0.21 (kGy) on eggs, larvae, pupae and seed germination. The results of this study showed that the irradiated eggs did not hatch. While the last larval stage was very sensitive to all doses of gamma rays, no adults emerged from larvae were …

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Application Of Microwave Heating In The Demulsification Of Crude Oil Emulsions, Firdos Abdulla, Mohammed Ali, Jenan Al-Najar, Nedhal Shaker Shaker Aug 2026

Application Of Microwave Heating In The Demulsification Of Crude Oil Emulsions, Firdos Abdulla, Mohammed Ali, Jenan Al-Najar, Nedhal Shaker Shaker

Engineering and Technology Journal

In recent times the formation of pre-processing water-in-crude emulsions in petroleum industries has led to some inherent challenges such as the reduction in the efficiency of oil recovery, high cost of operation and corrosion in pipes. Traditional ways of pulverizing the emulsions using heat and chemical approaches have many disadvantageous from both economic and environmental points of view. Microwave irradiation is an efficient method for the demulsification of the water-in-oil (W/O) emulsion, encountered in refinery industries. The microwave technology is a costeffective way of emulsifying water-in-crude-oil emulsion. Two methods were used for conducting the demulsification performance test, i.e. chemical and …

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Dynamic Study Of Carbon Dioxide Absorption Using Promoted Absorbent In Bubble Column Reactor, Safa Al-Naimi, Farah Jasim, Ahmed Kokaz Aug 2026

Dynamic Study Of Carbon Dioxide Absorption Using Promoted Absorbent In Bubble Column Reactor, Safa Al-Naimi, Farah Jasim, Ahmed Kokaz

Engineering and Technology Journal

The most common process to remove carbon dioxide from natural gas and the flue gasses is absorption into suitable solvents. Absorption of carbon dioxide are studied experimentally in this work using bubble column reactor (glass cylindrical (QVF) of 7.5 cm i.d. × 140 cm height), where different types of absorbent (30%MEA, 30%K2CO3), promoter types (organic(piperazine)and inorganic(amino acids)) and concentrations were examined over a wide range of gas flow rate cover homogeneous to transition flow regime at ambient temperature and atmospheric pressure. The results showed that the dissolved gas undergoes a pseudo-first order reaction, and the optimum superficial velocity of gas …

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Simulation Of Mosul Dam Reservoir Operation For Irrigation And Hydropower Generation, Baraa Jebbo, Taymoor Awchi Aug 2026

Simulation Of Mosul Dam Reservoir Operation For Irrigation And Hydropower Generation, Baraa Jebbo, Taymoor Awchi

Engineering and Technology Journal

The current research aims to build a simulation model to study the effect of Jazeera irrigation projects (North, East and South) water requirements on hydroelectric power generation from Mosul dam hydropower plant. The simulation was applied from January 1988 to December 2006 on a monthly basis. A simulation model was built utilizing (HEC-ResSim 3.0) Package, which showed high efficiency in representing and simulating the actual operation of the reservoir. Simulation model operation has been carried out through five scenarios with two cases of priority; the first was to maximize the hydroelectric power generation, and the second was to minimize the …

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Restoring The Local Heritage And Its Role In Sustainable Spatial Development The Great Market In Al-Najaf – A Case Study, Wahda Al-Hinkawi, Baneen Al-Saadawi Aug 2026

Restoring The Local Heritage And Its Role In Sustainable Spatial Development The Great Market In Al-Najaf – A Case Study, Wahda Al-Hinkawi, Baneen Al-Saadawi

Engineering and Technology Journal

Regional and local changes in Iraq have led to an accelerated dynamic of comprehensive development without the preservation of local heritage, which caused the loss of many traditional buildings, changing their urban fabric, the emergence of contradictory architectural styles, and others without a clear and specific identity, causing visual deformation. The research problem was identified from the goals and principles of urban design that concerned with the conservation, restoration, and continuity of heritage context, activates their role in sustainable development programs and as a response to changes and radical shifts in spatial structures of city centers, and the social and …

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Air Quality Assessment Of Some Selected Hospitals Within Baghdad City, Azhar Haleem, Abdul Hameed Al-Obaidy, Salah Haleem Aug 2026

Air Quality Assessment Of Some Selected Hospitals Within Baghdad City, Azhar Haleem, Abdul Hameed Al-Obaidy, Salah Haleem

Engineering and Technology Journal

Hospitals are institutions designed to provide medical assistance to sick people have harm to their bodies, making them more likely to die than others, so indoor air quality (IAQ) of the various facilities of the hospital must be taken into account by providing an efficient Heating, ventilating and airconditioning (HVAC) systems with periodic maintenance and renewal for nonworking parts, and should appropriate with the health status of admissions, workers and visitors, the present study has been carried out to evaluate indoor air quality (IAQ) for three selected hospitals within Baghdad city. The study period included the summer and winter of …

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Mechanical Properties Of Cement Mortar Made With Black Tea Waste Ash As A Partial Replacement Of Cement, Mohammed Nasr, Zaid Hasan, Mohammed Abed Aug 2026

Mechanical Properties Of Cement Mortar Made With Black Tea Waste Ash As A Partial Replacement Of Cement, Mohammed Nasr, Zaid Hasan, Mohammed Abed

Engineering and Technology Journal

Environmental pollution and the relatively high cost of waste disposal has been a major focus for scientists around the world, leading researchers to find a solution to reuse waste materials in different applications. Iraqi people consume hundreds of tons of black tea each year, which produce a large quantity of the used tea, leaves as waste. These large quantities go to landfills without any benefit or recycling. Additionally, landfills are considered one of the biggest crisis facing the Iraqi government. Therefore, this study aims to recycle the black tea waste ash (BTWA) by utilizing it as a partial replacement of …

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