Architecture Commons^™

Pedestrianization Al- Azhar Street As A Method To Preserve The Urban Fabric Of The Historic Cairo, Ahmed Mohammed Emam Hammad

Mansoura Engineering Journal

The public urban open space is the container that contain human activities, expressing their vitality and distinctive identity. It facilitates various functions, such as providing accessibility to buildings, natural lighting, ventilation, and creating an urban environment (social, urban, and economic). Therefore, it is considered one of the most important components of the urban fabric of any region. Its importance and value increase in heritage and historical areas, where it is regarded as a tangible heritage no less significant than the valuable buildings found in those areas.

Hence, it should receive popular and official attention over time, and its character and …

Acknowledgment Note

Mansoura Engineering Journal

No Abstract

Deep Learning Based Classification Of Focal Liver Lesions With 3 And 4 Phase Contrast-Enhanced Ct Protocols, Ahmed El-Emam, Hossam El-Din Moustafa, Mohamed Moawad, Mohamed Aouf

Mansoura Engineering Journal

It had been noticed that 3-phase and 4-phase computed tomography protocols with contrast serve as standard examinations for diagnosing liver tumors. Additionally, many patients require periodic follow-up, which entails significant radiation exposure for them. Advancements in image processing facilitate automated liver lesion segmentation. However, the challenge remains in classifying these small lesions by doctors, especially when the liver has different types of lesions with very little intensity difference. Therefore, deep learning can be utilized for the classification of liver lesions. The present work introduces a CNN-based module for the classification of liver lesions. The module consists of four stages: data …

An Enhanced Lane Detection Technique Based On Active Learning, Ahmed M. Radwan, Amira Y. Haikal, Hisham E. Gad, Mohamed M. Abdelsalam

Mansoura Engineering Journal

The lane detecting algorithm plays a major role in advanced driver assistance systems (ADAS) and autonomous driving systems. In recent years, deep learning-based lane detection techniques have shown encouraging results; nonetheless, the quality and size of the training data set has a significant impact on how effective these techniques are. Active learning is a technique that can improve the capacity of deep learning-based lane identification systems to repeatedly choose and classify valuable samples from a large body of unlabeled data. In this research, a novel 1-dimensional deep learning approach is used to present an augmented Active Learning based Lane Detection …

Application Of Machine Learning Models In The Capacity Prediction Of Ccfst Columns, Khaled Megahed, Nabil Said Mahmoud, Saad Elden Mostafa Abd-Rabou

Mansoura Engineering Journal

Circular concrete-filled steel tubular (CCFST) columns are widely utilized in structural engineering due to their impressive load-bearing capabilities and ductility. Existing design standards often yield disparate outcomes when applied to structural columns with identical properties, introducing uncertainty for engineering designers. This study introduces an innovative technique to address these challenges using two machine learning (ML) models: Gaussian process regression (GPR) and extreme gradient boosting (XGBoost). These models consider various input variables, including the geometric and material properties of CCFST columns, to estimate the compressive strength. The models undergo training and evaluation using two datasets comprising 1004 axially loaded CCFST columns …

Retrofitting The Building Materials And Techniques Of A Residential Villa: Finding Alternative Solutions, Ahmed Abdelmonteleb M. Ali, Essam S. Almahmoud, Azzam I. Aljutayli, Basem O. Elgendy, Meshal A. Alhrabi, Khattab I. Alyahya

Mansoura Engineering Journal

Approximately 40% of greenhouse gas emissions globally are attributed to the construction industry, with building materials alone accounting for 11%. This study evaluated several building materials and techniques to investigate alternative possibilities for retrofitting a residential villa. The research methodology thoroughly evaluated the building materials and techniques employed in a Saudi villa as a case study located in Buraidah within the Al-Qassim Region. This examination included the structural integrity and cost comparison between the current and suggested scenarios. Alternative building materials and methods are discovered, and their possible application in retrofitting the villa is examined based on this evaluation. The …

Knowledge Gap Analysis For Efficient Form-Finding Of Lightweight Structures, Shorouk Mohamad Khedr, Mohamed Esmat Elattar, Ahmed Eltantawy, Esraa Elazab

Mansoura Engineering Journal

Historically, Performance assessment of temporary structures’ form was substantially dependent on how loads transfer along geometry. Fortunately, the development of tools has enabled designers to explore more design variations as well as testing their feasibility. This study aims to address the knowledge gap between design process, tool contributions and feasibility requirements of temporary structures. This will be achieved through analyzing the evolution of temporary structures’ design approaches including early form finding approaches, geometrical properties dependencies, reflections of both bottom -top and top-bottom approach as well as linking them to material innovations, structural contributions and manual experiments. As a result, the …

Predicting The Role Of Connectivity In The Development Of Border Regions In Egypt, Shimaa Mohammed Hamdy Derbala

Mansoura Engineering Journal

The research analyzed the current situation of the development of 12 existing roads in the development plan 2052 and linked to the Governors of (Matrouh, North Sinai, South Sinai, New Valley, and Red Sea), and by reviewing previous studies, it showed the link between road development and the demographic and social factors of the population. The methodology for studying various cases and the methodology for predicting development models are the most appropriate for the field of research. This research examines the goals and challenges of road development with global experience that can be applied to development plans. The research is …

The Transformer Modelling For Vftos Calculation - A Comprehensive Review, Mohamed Salah, Ebrahim A. Badran, Mansour H. Abdelrahman

Mansoura Engineering Journal

The transformer is exposed to Very fast transient overvoltages (VFTOs) originated from the switching operations in the gas insulated switchgears (GIS), these overvoltages may damage the transformer insulation and result in catastrophic failures. Consequently, the transformer should be modeled to handle the transient state. In this work, the methods published in the literature to illustrate the VFTOs in GIS are reviewed, and then an overview of the transformer modelling techniques is presented with the contribution and shortcomings of each technique. The determination methods of the parameters required for the modelling of the transformer are also reviewed. In addition, the contributions …

A 10-Gb/S Single-Loop Half-Rate Dll-Based Clock And Data Recovery Circuit For Forwarded-Clock Wireline Transceivers, Abdallah K. Mohamed, Sameh A. Ibrahim, Mohy Eldin A. Abo-Elsoud

Mansoura Engineering Journal

This paper introduces a 10-Gb/s single-loop, half-rate delay-locked loop (DLL)-based clock and data recovery (CDR) circuit for forwarded-clock (FC) wireline transceivers. The proposed CDR employs a differential ring oscillator (RO) with sub-feedback loops structure for multi-phase clock generation with a single-loop operation. An Alexander phase detector utilizing a flip-flop based on an improved true single-phase clock (TSPC) logic with split outputs is adopted. The proposed DLL-based CDR is an optimized solution in terms of area and power for FC wireline transceivers. The recovered clock exhibits an RMS jitter of 590 fs and a peak-to-peak jitter of 3.8 ps. The circuit …

Impact Of Traffic Congestion On Transportation System: Challenges And Remediations - A Review, Hamdy B. Faheem, Amira M. El Shorbagy, Mohamed Elsayed Gabr

Mansoura Engineering Journal

Traffic congestion is a growing problem in urban transportation networks around the world, having major consequences for the economy and the environment. As metropolitan populations rise and more people rely on autos for mobility, traffic congestion is becoming more common and severe. This review paper presents an overview of the economic and environmental issues caused by traffic congestion in urban areas, as well as proposed ways to reduce its negative effects. It discusses potential traditional transportation solutions such as traffic management infrastructure development, improving public transportation, and intelligent transportation solutions to address traffic congestion problems such as smart parking systems, …

The Role Of Smart Systems In Conservation On Sustainability Of Heritage Buildings, Aml Abd El-Wareth Mohamed

Mansoura Engineering Journal

Abstract— Historic cities with challenges in trying to integrate their heritage buildings to keep pace with the age of technology, by developing a vision for an intelligent environment (IE) of the future that would integrate smart systems for conservation on heritage. Recent, information and communications technology (ICT) progress has diverse smart heritage solutions, enhancing efficiency, sustainability, and longevity for future generations. Research problem includes challenging the possibility of integrating smart systems into heritage buildings while conserving its values, identity, and using it effectively, sustainably manner, also no comprehensive model for smart technology integration in heritage buildings for automation and control …

Neural Network-Based Fault Distance Estimation For Multi-Terminal Dc Microgrids, Mohamed Elmadawy, Abdelhady Ghanem, Sayed Abulanwar, Ahmed Shahin

Mansoura Engineering Journal

Fault distance estimation in DC microgrids is a critical issue due to the growing adoption of DC-based distribution systems. Current methods face limitations like sensitivity to system parameters and high-resistance fault detection, necessitating improved accuracy. This study proposes a neural network approach to accurately locate fault distances in multi-terminal DC microgrids. Three different structures based on backpropagation algorithms are developed and trained to estimate fault distances with high precision. These structures can handle various fault scenarios, including different fault resistances and the presence of noise. Two of the structures can predict fault distances from one side locally, achieving low error …

Environmental Impact Assessment Of Water Desalinating Systems: Kuwait As A Case Study, Eissa S. Al-Mutairi, Ibrahim.G. Rashed, Mohamed.M. El-Halwany, Mohamed A. Mosaad

Mansoura Engineering Journal

The challenge of managing water resources is intensifying due to rapid urbanization, population expansion, and the growth of industry and agriculture. Furthermore, the looming threat of climate change significantly impacts both water resources and crop yields. In Kuwait, the majority of its potable water supply is dependent on seawater desalination. Specifically, multistage flash (MSF) desalination accounts for nearly 90% of the country's total desalination capacity, while the remaining 10% is generated using multi-effect distillation (MED) technology. Nevertheless, the environmental repercussions of desalination on Kuwait's ecosystem remain a subject of profound concern. This study employs a comprehensive approach, utilizing peer-reviewed journal …

Effect Of Rows And Columns On The Heat Transfer Characteristics Of Pcm Staggered Capsules Bundle, Ahmed Saad Soliman, Ahmed A. Sultan, Mohamed A. Sultan

Mansoura Engineering Journal

The current work is a heat exchanger (H.EX) incorporating several oval capsules filled with PCM as staggered bundles in a shell. Through the charging process, the PCM, initially at 299 K, is heated by passing a cross flow of hot water in the upward direction by a value of 343K. After complete melting, the solidification process is started by passing water at a temperature of 283 K. The proposed unit is studied with different rows (3, and 5 rows), and columns (3, and 5 columns), including 8, 13, 14, and 23 capsules. The number of rows and columns gets four …

Power Generation And Water Conservation Potentials For Several Photovoltaic Configurations Installed Over A Fresh Water Surface, Rana A. Kewan, Mohamed S. Salem, Mohamed R. Elmarghany, Maher Bekheit, Gamal I. Sultan

Mansoura Engineering Journal

One of the challenges that face photovoltaic systems is depleting performance if their average temperature increases due to solar radiation. Floating photovoltaic (FPV) and submerged photovoltaic (SPV) systems offer a potential solution to such problem. Another major benefit is the decrease of water evaporation by creating an artificial shadow over water. In this paper, an experimental study is presented that includes three different systems: an inclined PV by 30⸰ over water (IPV), an SPV, and an FPV systems and compares their performance with that of a conventional PV system under the same operating conditions. The FPV and SPV systems exhibited …

Exploring The Potential Of Value Engineering To Reduce The Economical Pressure On The Construction Industry In The Case Of Luxury Housing, Ahmed M. Seddik Hassan, Amal R. Tantawy, Bahaa Elboshy, Mahmoud Desouki

Mansoura Engineering Journal

This research highlights the critical role of value engineering in integrating economic sustainability and environmental stewardship within the luxury housing market. It focuses on reconciling profitability with sustainable practices through a comprehensive study of alternative construction materials, their environmental impacts, costs, and long-term financial benefits. A case study on a luxury villa in New Beni Suef, Egypt, demonstrates the practical application of these principles. The study employs a multi-dimensional approach, including quantitative material selection, environmental performance evaluations using Design Builder software, market research for cost-effective materials, and analysis of long-term electricity costs. It showcases value engineering as essential for economic …

Glaucoma Diagnosis Using Hybrid Neural Encoder Decoder Based Unet Hybrid Inception, Akanksha Bali, Vibhakar Mansotra

Mansoura Engineering Journal

The anatomy of the retinal fundus picture, which includes the optic disc, affects how glaucoma characteristics are extracted. One of the main causes of blindness in the globe is glaucoma. Correct glaucoma screening in its early phases is difficult since the condition only becomes apparent when its symptoms are severe. If glaucoma is not treated, the optic nerve head (ONH) will be harmed, resulting in vision loss. Nevertheless, there are currently not enough eye experts accessible, and eye screening is personal, time-consuming and labor-intensive. Therefore, this is a real issue that can be addressed by automatically diagnosing glaucoma using deep …

Establishing A Quantitative Assessment Tool For Biophilia In Healthcare Facilities, Sara Moustafa Fouda, Mohanad Ali Fouda

Mansoura Engineering Journal

This study aims at developing a novel assessment tool that can quantitatively evaluate the level of biophilia integration in healthcare facilities. The developed assessment tool helps to address the difficulty of biophilia quantification in the built environment due to the broad nature of the biophilia concept. The methodological approach for the tool depends on employing biophilic design patterns as a basis for biophilia, where these patterns are correlated to a group of biophilia-related features of the WELL Building Standard. This correlation is attained through a list of Integrated Design Guidelines (IDGs) that is proposed to act as an intermediate ground …

An Experimental Study Of The Effect Of Spindle Speed On The Spike Energy Of The Light & Heavy Spindles, Wael A. Hashima, Ibrahim A. Elhawary

Mansoura Engineering Journal

In the present work, the experimental studies were carried out the investigation of the effect of some factors on the spike energy of the light and heavy spindles used frequently; in cotton spinning and in twisting continuous filament, speed with and without the spool and also with different values of full yarn package. Depending on the rotating mass, it was found that by the increase of the heavy spindle speed from 4000 r.p.m to 12000 r.p.m, the spike energy of the spindle with full package increase from 0.5 gSE to 2.3 gSE. At the working speed (10000 r.p.m) of the …

Enhancing The Perception Of Public Urban Spaces Via Place-Making: Martyrs' Square And Selected Locations In El-Gaish Street Case Study, Vert Kamal Ramzy, Nanees Abdel Hamid Mohamed Ali Elsayyad, Lamis Saad El-Din El-Gizawi

Mansoura Engineering Journal

Trust be told that urban spaces have generated a lot of controversy in recent years. The major issues that I will address in this paper are transformations in the urban environment affected by different appearances due to economic and social changes that shape their meaning through human interactions for creating a social life. With the emergence of modern architecture and planning patterns, urban spaces have become the focus of researchers for study and analysis to determine the best destination.

This paper aims to present place-making as an approach to strengthening the perception of public urban spaces and, consequently, its impact …

Enhancing The Garment Quality Through The Integration Of Statistical Techniques, Magdi El Messiry, Affaf Al-Oufy, Heba Marwan, Samar Abd-Ellatif

Mansoura Engineering Journal

The textile and apparel sector has always held significant strategic value for the economies of numerous developing countries. These industries represent vital components of manufacturing and exports, playing a major role in employment opportunities. Within the realm of garment production, a strong emphasis on quality is maintained throughout the entire process, starting from sourcing raw materials and extending to the final stages of garment completion.

This research undertaking involves a comprehensive analysis, classification, and evaluation of defects in fabrics and garments. Frequencies and distributions of these defects are being looked after with great caution. To enhance product quality, the application …

Design And Construction Of A Novel Reciprocating Pin-On-Plate Wear Testing Machine, Yasser S. Mohamed, Ahmed Abdelbary

Mansoura Engineering Journal

This manuscript introduces a new pin-on-plate tribometer established for a study of the tribological behavior of materials at a constant sliding speed. The originality of this test rig lies in its capability to perform six independent tests at the same time. Wear tests can be conducted with high reliability and low error thanks to the high rigidity of the machine. The reciprocating motion of the counterface was designed to be in an arc path. The tribometer has the facility of changing the applied load and the length of the wear path. The test machine can used to perform both dry …

Effect Of The Shape And Volume Of Capsulated Phase Change Materialon The Melting Process And Exergy Efficiency, Ahmed Saad Soliman, Ahmed A. Sultan, Mohamed A. Sultan

Mansoura Engineering Journal

Due to the lack of solar energy continuity throughout the day, researchers tended to store this energy in phase change materials (PCM). The goal is to store a big amount of energy in a small PCM mass. In this study, the effect of the capsule shape (circular and elliptical cross-section), number of capsules with the same volume (1, 2, 3, 4, and 5 capsules), and one capsule with increasing its initial volume (multiplying of volume ratio 1 (Vr = 2, 3, 4, and 5)) on the PCM melting process was studied. The results of the numerical model for both circular …

Machine Learning-Based Prediction Of International Roughness Index For Continuous Reinforced Concrete Pavements, Ragaa T. Abd El-Hakim, Ahmed N. Awaad, Sherif M. El-Badawy

Mansoura Engineering Journal

The International Roughness Index (IRI) serves as a crucial indicator for ride quality and user comfort. As road roughness escalates, road serviceability diminishes, resulting in reduced vehicle speed and increased travel time, and consequently higher carbon dioxide emissions. Predicting the IRI is of utmost importance for Pavement Management Systems and sustainable development overall. While numerous studies have forecasted the IRI of flexible pavements, there is a notable scarcity of research focusing on rigid pavement performance prediction. This study addresses the gap in predicting IRI for Continuous Reinforced Concrete Pavements (CRCP), an understudied aspect of pavement engineering. Leveraging the Long-Term Pavement …

Distribution System Losses Allocation Based On Circuit Theory With Distributed Generation, Ahmed S. Abdelkader, Ibrahim I. Mansy, Abdelfattah A. Eladl

Mansoura Engineering Journal

Electricity energy is the most convenient and efficient form of energy transmission and conversion. Nonetheless, losses take place while electrical power is traveling from power stations through transmission and distribution networks to the loads. Despite the high efficiency of electrical transmission and distribution networks, the huge amounts of power moving through these networks make the financial loss due to the lost energy very high and its management becomes a critical consideration for both utility providers and regulatory bodies. The efficient management of losses encompasses two major functions: the first is running the system in a way that minimizes the losses; …

Vertical Farming: A Key To Sustainable Compact Cities, Mohab Taher Abdelfatah, Sahar Mahmoud El-Arnaouty, Akram Abdelhakim Zayan

Mansoura Engineering Journal

Urbanization continues to surge, with projections indicating that by 2050, around 70 percent of the global population will reside in urban areas. In response, urban planners are exploring novel urban paradigms to ensure food security through urban agriculture, a cornerstone of sustainable development encompassing environmental, economic, and social dimensions. This study addresses a critical research gap within urban agriculture, conducting a comparative analysis between horizontal and vertical farming methodologies within urban contexts. By categorizing various typologies of vertical farming, from container farms to mixed-use structures, this research highlights their distinct contributions to sustainable urban development. Emphasis is placed on vertical …

The Mechanical Performance Of Sustainable High Performance Concrete Containing Hybrid Polypropylene Fibers And Exposed To Elevated Temperatures, Ahmed M. Tahwia, Marwa M. Ouda, Mohamed Abdellatief, Walid E. Elemam

Mansoura Engineering Journal

The purpose of this research is to investigate the impact of hybrid micro and macro polypropylene fibers (PPFs) on the mechanical characteristics and microstructure of high performance concrete (HPC). Seven concrete mixes with different contents of hybrid polypropylene fibers were tested. The tests included the slump test, compressive and flexural strength, resistance to elevated temperatures, and concrete microstructure. Compared to the control mixture, introducing macro and micro polypropylene hybrid fibers to HPC mixes dramatically enhanced the flexural and compressive strength of concrete while lowering workability. HPC compressive and flexural strengths decrease as temperature rises, nevertheless, the strength loss rate was …

A Novel Method For The Production Of Pig Iron In “Hadisolb” Company (Industrial-Scale Experiments), El-Sayed A. Rassoul

Mansoura Engineering Journal

The chairman of “Hadisolb” had submitted a memorandum in 1977 in which he claimed that the company will never achieve its designed capacity unless it gets rid of the threatening impurities -high alkalis & MnO- in the blast furnace burden. Meanwhile, the DR steel companies are suffering from the generated accumulated wastes which contain > 67% Fe, zero% alkalis and traces of MnO. The novel idea here is finding the best ratio between El-Gedida ore and the waste material (W.M.). In a previous investigation a series of pilot-scale sintering experiments were performed and it was concluded that the blend containing 70% …

Numerical And Analytical Solution For Nonlinear Free Vibration Of Tapered Beams, Zain Abu Shaeer Abu Shaeer, Ramy I. Shahin, Galal I. El-Baghdady, Saad A. Yehia

Mansoura Engineering Journal

This study introduces a computational approach that combines numerical and semi-analytical methods to solve tapered beams' nonlinear free vibration equation. The study employs a numerical approach that relies on the cubic B-spline collocation method and an approximation technique known as the Homotopy perturbation method to approximate the solution to the equation governing nonlinear large-amplitude free vibrations of tapered beams. The effect of vibration amplitude on the frequency of nonlinear vibrations is investigated. The next step is to look at different ways to get close to exact solutions across the whole range of oscillation amplitude. This will show how useful and …