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Study The Effect Of Apply The Problem Based Learning In Engineering Education, Raed Hwayyin, Azhar Ameed Aug 2026

Study The Effect Of Apply The Problem Based Learning In Engineering Education, Raed Hwayyin, Azhar Ameed

Engineering and Technology Journal

The study examined the effect of application of the problem-based learning method of teaching engineering students in the Department of Petroleum Technology compared to traditional teaching methods (lecture). The problem-based learning method involved a number of assessments and exams that students individually and collectively performed. The study investigates the first class students of petroleum technology department of two subjects which are the calculus and engineering practice subjects. The study is use the statistical calculations to compare between applying the problem based learning and tradition method “lecture method” in engineering education, and taking into consideration the individual differences between students to …

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Different Levels Of Engineering Education (Ee): Needs And Applications, Ameen Al-Juboori, Aws Al-Akam, Amir Saud Aug 2026

Different Levels Of Engineering Education (Ee): Needs And Applications, Ameen Al-Juboori, Aws Al-Akam, Amir Saud

Engineering and Technology Journal

Engineering education is often described as being constructivist, suggesting that learning involves constructing an understanding of several components. There is a commonly used series of levels of learning. It is most frequently presented in terms of six levels of understanding. Every learner has to follow these levels. However, the impact of these levels may vary from one learner to another. This paper study the impact of one different level of Engineering Education (EE) on the different background of learners. Furthermore, it investigates the problems that face EE in Iraq and offers several solutions. This work is the first step to …

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Assessing The Level Of Reflective Thinking In Engineering Teachers During The Process Of Research Action, Raudhah Ali, Abdulhadi Al-Saady, Najah Al Maimuri Aug 2026

Assessing The Level Of Reflective Thinking In Engineering Teachers During The Process Of Research Action, Raudhah Ali, Abdulhadi Al-Saady, Najah Al Maimuri

Engineering and Technology Journal

A hydrogeologic study has been adopted to conceptualize the concepts of groundwater levels lowering in swamped area of Tyass, middle of Iraq. 2D dimensional groundwater model and, mitigation model have been used to mitigate the aquifer against high salinity and chemical pollutants by the mitigation theory of heterogeneous subsurface media which basically depends upon physical and mathematical derivation, evaluation of chemical pollutants and total dissolved salts (TDS) of subsurface water before and after mitigation process. The water table level was lowered up to 2.43m at the center of a pumping well of abstraction discharge (400m3/day) obtained after 2755days in steady …

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Mapping Lclu Using Python Scripting, Oday Jasim, Khalid Hasoon, Noor Sadiqe Aug 2026

Mapping Lclu Using Python Scripting, Oday Jasim, Khalid Hasoon, Noor Sadiqe

Engineering and Technology Journal

Land cover land use changes constantly with the time at local, regional, and global scales, therefore, remote sensing provides wide, and broad information for quantifying the location, extent, and variability of change; the reason and processes of change; and the responses to and consequences of change. And considering to the importance of mapping of (LCLU). For that reason this study will focus on the problems arising from the traditional classification (LCLU) that based on spatial resolution only which leads to prediction a thematic map with noisy classes, and using a new method that depend on spectral and spatial resolution to …

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E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood Aug 2026

E-Learning Applications In Engineering And The Project-Based Learning Vs Problem-Based Learning Styles: A Critical & Comparative Study, Hatim Abood

Engineering and Technology Journal

The paper aims to critically review the learning styles and teaching methods of engineering curricula and to compare it with the requirements of engineering profession. Present engineers need to response effectively to the increasingly complex systems. The engineer has to deal with vector and scaler quantities, complex numbers, imaginary parts, electromagnetic fields, and complex constructions are designed and implemented in 3-Dimensions environment. This should be reflected in engineering education styles, where lecturers try to convey many aspects of complex systems. The purpose of engineering education is that to graduate engineers who can design and solve technical problems, and that design …

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Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed Aug 2026

Hydrogeologic Sustainability And Mitigation Of Shallow Groundwater Against High Saline And Chemical Pollutants, Najah Al Maimuri, Arkan Ali, Abdulhadi Al-Sa’Adi, Mohammed Abed Abed

Engineering and Technology Journal

A hydrogeologic study has been adopted to conceptualize the concepts of groundwater levels lowering in swamped area of Tyass, middle of Iraq. 2D dimensional groundwater model and, mitigation model has been used to mitigate the aquifer against high salinity and chemical pollutants by the mitigation theory of heterogeneous subsurface media, which depends upon physical and mathematical derivation, evaluation of chemical pollutants and total dissolved salts (TDS) of subsurface water before and after mitigation process. The water table level was lowered up to 2.43m at the center of a pumping well of abstraction discharge (400m3/day) obtained after 2755days in steady state. …

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A Modified Matrices Approach In Advanced Encryption Standard Algorithm, Abdul Monem Rahma, Atheer Abbas Aug 2026

A Modified Matrices Approach In Advanced Encryption Standard Algorithm, Abdul Monem Rahma, Atheer Abbas

Engineering and Technology Journal

The cryptographic algorithms became the main proceeding for protection of very important data from unauthorized access. There are several cryptographic algorithms to ensure the data, but algorithms must be selected according to speed, strength and the implementation. Thus, choosing the advance encryption standard (AES) for encryption and decryption data because its speed and strength of encryption, flexible, complex processing and its resistance to Brute-force attack. This paper presents enhancement of the AES algorithm to increase the security of the encrypted documents by using different sizes data matrices based on multiple irreducible polynomials with order 2, 4, and 8. The proposed …

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Security Improve In Zigbee Protocol Based On Rsa Public Algorithm In Wsn, Nabaa Hasan, Alaa Farhan Aug 2026

Security Improve In Zigbee Protocol Based On Rsa Public Algorithm In Wsn, Nabaa Hasan, Alaa Farhan

Engineering and Technology Journal

ZigBee is consuming low energy and providing the protection in Wireless Sensor Networks. ZigBee pro is supporting most applications. In spite of improved the security, ZigBee pro weak in key administration. In this paper, we depend on Logistic Map Diffie Hellman (LMDH) and SubMAC for Wireless Sensor Networks by ZigBee. In addition, we will improve the security in ZigBee by using the Rivest-ShamirAdleman (RSA) algorithm instead of Advanced Encryption Standard (AES). LMDH used for improved key administration schema (protect key distribution) and SubMAC used for providing authentication and prevented Man-In-The-Middle (MITM) and Replay attacks, LMHD did not provide this service, …

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Design Of N-Bit Adder Without Applying Binary To Quaternary Conversion, Walaa Khalaf, Dhafer Zaghar, Kadhum Al-Majdi Aug 2026

Design Of N-Bit Adder Without Applying Binary To Quaternary Conversion, Walaa Khalaf, Dhafer Zaghar, Kadhum Al-Majdi

Engineering and Technology Journal

Microprocessor has been considered as most important part in ICs manufacturing and making progress since more than 50 years, so increasing microprocessor speed is paid attention in all technologies. ALU is known as the slowest part in microprocessor because of the ripple carry, nowadays microprocessor uses 8-uints as pipeline, each one has 8-bits for implementing 64-bit, working in this form has been captured the microprocessor development and limited its speed for all its computations. Parallel processing and high speed ICs always trying to increase this speed but unfortunately it remains limited. The contemporary solution for increasing microprocessors speed is the …

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Geochemical Evaluation Of Heavy Metals (Cd, Cr, Fe, And Mn) In Sediment Of Shatt Al-Basrah, Iraq, Zahraa Al-Janabi, Shahed Zaki, Jinnan Alhassany, Abdul Hameed Al-Obaidy Al-Obaidy, Eman. Awad, Afrah Maktoof Aug 2026

Geochemical Evaluation Of Heavy Metals (Cd, Cr, Fe, And Mn) In Sediment Of Shatt Al-Basrah, Iraq, Zahraa Al-Janabi, Shahed Zaki, Jinnan Alhassany, Abdul Hameed Al-Obaidy Al-Obaidy, Eman. Awad, Afrah Maktoof

Engineering and Technology Journal

In this study, the sediment of Shatt Al-Basrah canal, was evaluated to illustrate the distribution of 4 heavy metals Cd, Cr, Fe and Mn in sediments collected from 5 sites. The assessment of heavy metals was conducted using three indices; the geoaccumulation index (I-geo), the enrichment factor (E.F.) and Pollution Index (PI). According to I-geo, the sediments collected from all sampling locations were unpolluted by Cd, Cr and Fe, where their values are less than 0 (<0), except Mn ranged between 0.98 to 1.37, the Igeo values for Mn show that sediments of Shatt Al-Basrah are unpolluted to moderately polluted for all sampling locations. Based on The enrichment factor, the sediment of Shatt Al-Basrah canal are classified as followed; significant enrichment for Cd, moderate enrichment to significant enrichment for Cr and deficiency to minimal enrichment for Mn. PI, which is based on individual metal Concentrations, shows that all sampling sites have no pollution effect for Cd, Cr and Mn, except Fe, which cause Slightly pollution affect in all site.

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Optical And Thermal Characterizations Of Pmma Composites, Raghad Al-Khafaji, Kareem Jasim, Adil Ibraheim Aug 2026

Optical And Thermal Characterizations Of Pmma Composites, Raghad Al-Khafaji, Kareem Jasim, Adil Ibraheim

Engineering and Technology Journal

Thick composite films were prepared employing hand – layup method . A definite quantity of PMMA ( 98%wt ) , fixed content ( 2% wt ) of rutile titanium dioxide TiO2 , gamma alumina ( ᵞ- Al2O3 ) and Zirconia powder ( ZrO2 ) , were added to polymer solution gradually and separately. Optical constants were obtained of the prepared samples using spectrometer (UV- VIS). The prepared composite samples were thermally characterized by differential scanning calorimeter ( DSC ). We notice increasing value of glass temperature and differential heat capacity ( ∆Cp ) for composites compared with pure PMMA .

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Modeling The Plasma Frequency For F2-Region Using Modified Chapman Function And Nequick2 Model Over Different Geographical Locations And Months, Ali Nima Aug 2026

Modeling The Plasma Frequency For F2-Region Using Modified Chapman Function And Nequick2 Model Over Different Geographical Locations And Months, Ali Nima

Engineering and Technology Journal

This study aims to modeling the plasma frequency profile of the F2 region as a function of geographical location and month of the y ear. The most important model and function used are Chapman function and NeQuick 2 model which have been defined both by exponential function. These models need some ionospheric parameters such as the critical frequency of F2 layer (foF2), maximum peak height (hmF2), semi thickness (ymF2), and the M factor (M (3000) F2). The results of these models are compared with the results of the International Reference Ionosphere (IRI) model. For north hemisphere, the results of Chapman …

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Weak Convergence Of Two Iteration Schemes In Banach Spaces, Salwa Abed, Zahraa Mohamed Hasan Aug 2026

Weak Convergence Of Two Iteration Schemes In Banach Spaces, Salwa Abed, Zahraa Mohamed Hasan

Engineering and Technology Journal

In this paper, we established weak convergence theorems by using appropriate conditions for approximating common fixed points and equivalence between the convergence of the Picard-Mann iteration scheme and Liu et al iteration scheme in Banach spaces. As well as, numerical examples are given to show that Picard-Mann is faster than Liu et al iteration schemes.

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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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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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Thermodynamic And Kinetic Investigation Of Desalination By Refrigerant Clathrate Hydrate Formation, Shurooq Al-Hemeri, Riyadh Al-Mukhtar, Lina Mahmood Aug 2026

Thermodynamic And Kinetic Investigation Of Desalination By Refrigerant Clathrate Hydrate Formation, Shurooq Al-Hemeri, Riyadh Al-Mukhtar, Lina Mahmood

Engineering and Technology Journal

Gas hydrate is a crystalline solid compound form of water with hydrophobic gas at certain conditions (pressure and temperature). The hydrogen bond in water molecules constructs a framework as a host that entraps gas molecules (gust). Gas hydrate can be applied to many industries such as gas separation, cool storage, food concentration and desalination. Hydrate route looks a promising alternative technology compared to the conventional process, by utilizing a proper gas host, which can be held within water cavities composed by hydrogen-bonded water molecules. In this study the selected host gas was Refrigerant R134a, the work consists of an experimental …

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Properties Of Fuzzy Closed Linear Operator, Jehad Kider, Noor Kadhum Aug 2026

Properties Of Fuzzy Closed Linear Operator, Jehad Kider, Noor Kadhum

Engineering and Technology Journal

In this paper we recall the definition of fuzzy norm of a fuzzy bounded linear operator and the fuzzy convergence of sequence of fuzzy bounded linear operators in order to prove the uniform fuzzy bounded theorem and fuzzy open mapping theorem. The definition of fuzzy closed linear operators on fuzzy normed spaces is introduced in order to prove the fuzzy closed graph theorem.

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A Comparative Investigation On Mechanical Properties Of Various Fibers Reinforced Concrete, Ahmed Al-Ghaban, Hussein Jaber, Aya Shaher Aug 2026

A Comparative Investigation On Mechanical Properties Of Various Fibers Reinforced Concrete, Ahmed Al-Ghaban, Hussein Jaber, Aya Shaher

Engineering and Technology Journal

The present work presents an investigation the effect of adding various fiber materials such as (glass, nylon, and carbon) into the concrete mix for inspecting and compare the mechanical properties of different fibers reinforced concrete. Two different fiber length states of (short=3cm and long=10cm) are used in this work. The concrete of ordinary Portland cement of (1:1.5:3), (cement: sand: gravel), were mixed with each of the fiber materials at four different weight percentages (0, 0.4, 0.8, and 1.2) wt% per cement content. Compressive strength and flexural strength were experimentally investigated of different fibers reinforced concrete specimens after curing for 28 …

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Automatic Tool Path Generation For Parametric Surfaces, Tahseen Abbas, Sara Shawi Aug 2026

Automatic Tool Path Generation For Parametric Surfaces, Tahseen Abbas, Sara Shawi

Engineering and Technology Journal

A tool path generation algorithm has been proposed and implemented in the presented work. The aim of the development of tool path algorithm is to machine parametric surface with a given tolerance and scallop height. The algorithm proposes dividing the desired parametric surface to several linear segments depending on the desired accuracy of the parametric surface. The Bspline technique has been used to generate the required data of the parametric surface. After generating the tool path, the cutter movement has been simulated allowing to reduce the cutting time and cost. The tool path is verified on the C-TEK CNC milling …

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Investigation Of Optimum Helix Angle Of A Wire Rope Subjected To Harmonic Dynamic Loading, Hatem Obeid, Riham Nima Aug 2026

Investigation Of Optimum Helix Angle Of A Wire Rope Subjected To Harmonic Dynamic Loading, Hatem Obeid, Riham Nima

Engineering and Technology Journal

The current work includes the dynamic structural analysis of wire rope with different helix angle. The main objectives are; estimating the stress and deflection for each helix angle, comparing the results to get the best helix angle suitable for practical applications. This paper falls into two parts: The first part includes modal analysis for the models of wire rope using finite element method with certain boundary conditions that are suitable to obtain the first five frequencies for each helix angle and the second part focuses on harmonic analysis of wire rope to estimate stress and deflection and compares maximum results …

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Investigation Vibration Damping In The Hydraulic Systems By Using An Accumulator, Walaa Hashim, Huda Al-Salihi, Hisham Hoshi Aug 2026

Investigation Vibration Damping In The Hydraulic Systems By Using An Accumulator, Walaa Hashim, Huda Al-Salihi, Hisham Hoshi

Engineering and Technology Journal

It is generally accepted that the vibration of fluid power systems considered to be one of the major problems that is normally occurred in the hydraulic system, which causes a noise and short life of its components. Accordingly, it should be reduced the efficiency as well as an increase leakage system. Hence, present study pays more attention to investigate a bladder an accumulator which was successfully added to the hydraulic system in order to reduce the vibrations that might be generated by the system and decelerate the actuator at the end stroke. Which variables are measured before relief and directional …

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Robust Multiple Model Adaptive Control For Dynamic Positioning Of Quadrotor Helicopter System, Safanah Raafat, Zainab Mahmoud Aug 2026

Robust Multiple Model Adaptive Control For Dynamic Positioning Of Quadrotor Helicopter System, Safanah Raafat, Zainab Mahmoud

Engineering and Technology Journal

The quadrotor control has been one of the benchmark control problems. It is considered as an under-actuated, multivariable and high nonlinear system due to its dynamics, having strong coupling between translation and angular motion and affected by external disturbances associated with flight environment. Therefore, there is a need to design a robust control that can keep up with sudden changes and find better tracking performance against modeling error and uncertainties. In this work, an adaptive state feedback control method denoted as Classical Multiple Model Adaptive Control (CMMAC) has been implemented. This method embodies in its structure a bank of filters. …

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Mechanical Properties Modeling And Optimization For Polymeric Matrix Hybrid Bio Composite For Scaffolds Application, Jenan Kashan, Marwan Arbilei Aug 2026

Mechanical Properties Modeling And Optimization For Polymeric Matrix Hybrid Bio Composite For Scaffolds Application, Jenan Kashan, Marwan Arbilei

Engineering and Technology Journal

TiO2 / Polypropylene composite considers very promising biomaterials in bone replacement and repair application, but mechanical properties still out of load bearing scaffolds application. In this work, two approaches were suggested to produce enhanced polymeric matrix bio composite for scaffolds application, 1st one was by using Nano TiO2 particles to produce bio composite with good mechanical properties. while the 2nd approach applied by the addition of Al2O3 Nano particles. Different processing conditions have been used like different compounding pressures, compounding temperatures, and chemical composition. This work aimed to investigate the effect of these additions and processing factors on mechanical and …

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Investigation Of The Effect Of Loading Paths In The Tube Hydroforming Process, Adil. Jaber Aug 2026

Investigation Of The Effect Of Loading Paths In The Tube Hydroforming Process, Adil. Jaber

Engineering and Technology Journal

The control accurately of internal pressure, axial feeding and paths of loading which have important influences on the final tube quality. In this research an impact of loading path of the tube hydroforming process and final part requirements ( i.e. thickness specification and shape conformation) were studied numerically. Small bulge shape tube hydroforming parts were utilized in the finite element analyses to get several guidelines on the effect of the relation between the internal pressure and axial compressive feeding programs. Two dimension model of bulge shape tube (50 mm) bulge width has been developed from cylindrical tube with thickness (2mm) …

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Comparison Between Deterministic And Stochastic Interpolation Methods For Predicting Ground Water Level In Baghdad, Muammar Ali, Aqeel Al-Adili, Nagaratnam Sivakugan Aug 2026

Comparison Between Deterministic And Stochastic Interpolation Methods For Predicting Ground Water Level In Baghdad, Muammar Ali, Aqeel Al-Adili, Nagaratnam Sivakugan

Engineering and Technology Journal

Surface interpolation techniques are usually used to create continuous data (i.e. raster data) from distributed set of point data over a geographical region. There are deterministic and stochastic (geostatistical) interpolation techniques can be used to create spatial raster surface. In this paper, the comparison between the Inverse Distance Weight (IDW) interpolation method as deterministic method and the Kriging interpolation method as stochastic method is done to determine the best performance for measuring levels of ground water in Baghdad Governorate. Spatial raster surface surfaces as ground water prediction maps are generated from each method by using average ground water level measured …

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Developing An Approach To Redesign Freeform Surfaces Using B-Spline Technique, Amjad Adulghafour, Ahmed Hassan Aug 2026

Developing An Approach To Redesign Freeform Surfaces Using B-Spline Technique, Amjad Adulghafour, Ahmed Hassan

Engineering and Technology Journal

In product design process trends currently tend to use sculpture surface (freeform surface) that modeling by using (NURBS, B-spline, Bezier) technique to suit aesthetic, functional and manufacturability requirements. The B-Spline technique is one of the most important tools in computer aided geometric design (CAGD). This paper reported a new approach to design 3D freeform CAD model and then represented this model mathematically by using B-Spline technique. This mathematical represent consider one of the important aims that useful in manufacturing process through its geometric data which defines by this represent. The approach has three major steps: design 3D CAD solid contain …

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Fault Diagnosis In Wind Power System Based On Intelligent Techniques, Kanaan Jalal, Lubna Abd Alameer Aug 2026

Fault Diagnosis In Wind Power System Based On Intelligent Techniques, Kanaan Jalal, Lubna Abd Alameer

Engineering and Technology Journal

Wind energy is one of the most important sources as well as being environmentally friendly and sustainable. In this paper, different types of faults of Doubly-Fed Induction Generator (DFIG) have been studied based on Artificial Neural Network (ANN), Particle Swarm Optimization (PSO) and Field Programmable Gate Array. To simulate the wind generators model MATLAB/Simulink program has been used. Artificial Neural Network (ANN) is trained for detection the faults and (PSO) technique is used to get the best weights. After the training process, the network was transformed into a Simulink program and then converted into the Very High Speed Description Language …

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New Accurate Wattmeter Based On Logarithmic Amplifiers, Azzad Saeed Aug 2026

New Accurate Wattmeter Based On Logarithmic Amplifiers, Azzad Saeed

Engineering and Technology Journal

Analog Computers can realize most of mathematical equations; these equations can be solved using difference, adder, logarithmic, anti-logarithmic, integrator, and differentiator amplifiers. The logarithmic and anti-logarithmic amplifiers are the main components of the analog computers, whereas, they can convert the multiplication and division operations to addition and subtraction ones, and they can convert the exponential functions to multiplication relationships. These amplifiers depend on the non-linearity of the relation between forward current and applied voltage of the diode. All of previous types of wattmeters, measure the consumed power of a specific load or resistor by multiplying the difference voltage of that …

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Applying Modern Optimization Techniques For Prediction Reaction Kinetics Of Iraqi Heavy Naphtha Hydrodesulferization, Zaidoon Shakor, Anfal Sadeiq Aug 2026

Applying Modern Optimization Techniques For Prediction Reaction Kinetics Of Iraqi Heavy Naphtha Hydrodesulferization, Zaidoon Shakor, Anfal Sadeiq

Engineering and Technology Journal

In this study, a powerful modern optimization techniques such as Genetic Algorithm (GA), Particle Swarm Optimization (PSO) and Artificial neural network (ANN) were applied to estimate the optimal reaction kinetic parameters for Heavy naphtha Hydrodesulferization (HDS), the hydrodesulferization unit located in AL-Daura refinery-Baghdad/Iraq. The reactions was carried out in a fixed-bed reactor packed with Co-Mo/γ-Al2O3 catalyst and the operating was 315-400 °C temperature 35 bar Pressure and 0.5-2.1 hr-1 liquid hourly space velocity. The result showed that hydrodesulferization of heavy naphtha follows the pseudo-first order reaction kinetics. This study signifies that the reaction kinetic parameters calculated by Genetic Algorithm was …

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Effect Of V-Shape Twisted Jaw Turbulators On Thermal Performance Of Tube Heat Exchanger: An Experimental Study, Akram Abed, Nassr Hussein, Abdulmunem Abdulmunem Aug 2026

Effect Of V-Shape Twisted Jaw Turbulators On Thermal Performance Of Tube Heat Exchanger: An Experimental Study, Akram Abed, Nassr Hussein, Abdulmunem Abdulmunem

Engineering and Technology Journal

The main purpose of the present investigation is enhancing heat transfer rate in a tube heat exchanger by using V-shape twisted Jaws. The air is used as a working fluid and pumped through the test section with different values of Reynolds number (6000 - 19500), while the heat flux has been selected as a constant boundary condition around the tube section. In this study, two type of twisted jaw turbulators are used with two twisted ratio (TR= 2 & 4) as well as, the effect of using different numbers of turbulators (N= 6, 8 and 10) inside test section with …

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