Architecture Commons^™

Effect Of Raw Materials And Loop Length On Thermal Comfort Properties Of Pique Fleece Fabrics, Aya E. Elemam, Abd Elmonem Fouda, Ahmed S. Eldeeb, Rehab Abd Elkhalek

Mansoura Engineering Journal

Technological developments of knitting machines made it possible to produce evolved fabric structures to obtain various properties that suit consumer needs. Pique fleece is a variation of the special popular fleece knitted structure with aim of combining the features of pique and fleece structures. The aim of this research was to study the effect of yarns material type and loop length on thermal comfort properties of un-napped pique fleece fabrics that used as apparel textiles during transitional seasons. Two types of fleece yarn (100% cotton and 65% cotton/ 35%polyester) and three types of face and binding yarns (cotton, polyester and …

Exploring The Role Of Cinema In Architectural Perception Of Biophilic Design., Walaa Abdou Abd Elrazik, Mona Awad Abu El-Enein, Mahmoud M. Saafan

Mansoura Engineering Journal

With rapid urbanization transforming the built environment, biophilic architecture offers a sustainable approach that integrates natural elements to promote well-being and ecological balance. As a powerful storytelling medium, cinema shapes architectural perceptions by depicting both the presence and absence of biophilic principles in future urban landscapes. This study investigates how cinematic depictions of biophilic architecture influence audience understanding and appreciation. Using film content analysis, case studies, and surveys of architectural professionals, this research examines selected film scenes, evaluating the emotional and perceptual impact of biophilic versus non-biophilic environments. Findings indicate that films effectively highlight key biophilic features such as natural …

Behaviour Of The Internal Rc Slab-Column Connection With Both Correct And Incorrect Reinforcing Details, Momen M. Ali, Abdelrhman B. Harraz, Walid H. Shalaby

Mansoura Engineering Journal

Flat slabs without beams are common slab systems due to their simple formwork and ability to accommodate reduced story heights. Reinforced concrete slab-column connections are critical, especially internal connections with the final roof slabs. This research aims to compare the correct and incorrect reinforcing details of internal slabcolumn connections and examine how they affect the connections' behaviour. One of the most common problems in reinforced concrete structures is incorrect reinforcing details of slab-column connections, which is caused by insufficient experience and a lack of quality control. For this reason, numerical research is carried out. FE models for eighteen (18) specimens …

A Digital Paradigm For Shaping Smart Sustainable New Cities In Egypt, Hayam M. Omayer, Eman H. Ayad

Mansoura Engineering Journal

Shaping the future of cities is a crucial responsibility that depends on today’s developers and designers. In light of the ongoing technological advancements across all fields, cities are obliged to harness this accelerated continuous progress to rescue from global challenges facing communities. Rapid urbanization, population growth, fragile infrastructure, and many other threatening environmental issues have prompted many governments across the world to expedite the digital transformation of cities to achieve sustainable urban progression. In Egypt, planning for smart cities is still taking its first step. Various significant economic, environmental, and social challenges are confronted. This research explores the pivotal role …

Review And Comparative Study On Renewable Energy Use And Policies In Egypt And Leading Countries, Salwa Abdel Monem El Gindi

Mansoura Engineering Journal

Improving energy efficiency and sustainability in buildings is essential for maintaining good environmental quality. Renewable energy use has become imperative as a result of shortage and disadvantages of traditional energy sources. Although the world has taken measures to develop renewable energy, the amount of greenhouse gas emissions is continuously increasing. This may be related with a low level of elaboration of the ongoing policies, with obstacles to the renewable energy market growth. The energy sector in Egypt is overwhelmed with the local energy demands. Considering Egypt’s signature on the Kyoto protocol and hosting COP27 as it acknowledges the significance of …

Case Study On Application Of External Protection Screen In Trifoliate Spindle-Shaped Super High-Rise Building, Liu Jian, Liu Wen, Li Xinxue, Wang Zhi, Ahmed Mohamed Salama

Mansoura Engineering Journal

This paper presents a comprehensive case study of the design, analysis and application of an external protection screen for a trifoliate spindle-shaped supertall building. The study aims to provide a technical solution for the structural challenges associated with complex changes in façade geometry, especially within the context of a self-climbing external protection system. A numerical model was developed using Finite Element Analysis software SAP2000 to simulate the structure of protection screen, analyzing its effects under the action of various loads. By means of a parametric study, the key parameters of this protection screen such as climbing unit configuration …

Improving Load Capacity Of Steel Beams With Corrugated Webs Using Stiffening Plates, Aya Fouda, Mohamed Dabaon, Saad Eldeen Mostafa Abdrabou, Mohamed Ghannam

Mansoura Engineering Journal

In the last decades, Steel Beams with Corrugated Webs (SBCWs), especially those with trapezoidal profiles, are extensively employed in structural applications owing to their superior strength-to-weight ratio and improved structural stability under various loading conditions. While the behavior of SBCWs has been widely investigated, comparatively fewer studies have explored approaches aimed at improving their structural performance through strengthening techniques. This study presents numerical investigation into the capacity enhancement of SBCWs through the application of horizontal stiffeners and reinforcing plates. The numerical results were validated against existing experimental and computational data from previous research. The finite element method was employed to …

Existence And Stability Of A Mathematical Model Solution Of Classical Brain Metabolite Variations In The Circadian Rhythm, Eman A. A. Ziada

Mansoura Engineering Journal

This research aims to study an important model in view of its applications to brain metabolite variations in the circadian rhythm. We will discuss the solution existence and stability of the general form of this model and give its solution by using numerical and analytical methods. The numerical method is the proposed numerical method (El- Sayed method), and two analytical methods, the Adomian decomposition method (ADM) and the Picard method (PM). The uniqueness of the solution will be proved, the convergence of the series solution will be discussed, and an error analysis will be given. The numerical solution of the …

Integrating Aerodynamic Behavior In The Design Process Through Digital Tools: An Architectural Pedagogic Exercise, Mahmoud M. Elghawaby

Mansoura Engineering Journal

Analyzing air movement in open spaces is essential for developing livable environments and fostering unique atmospheres. By visualizing this intangible element, designers can enhance spatial quality and explore innovative solutions. This article examines the integration of aerodynamic simulations of air movement into the design process of an architectural graduation project conducted at the Grenoble School of Architecture, in collaboration with the Cresson research team and the Design by Research Lab. The project focuses on designing living bridges over the Nile in Cairo as part of an international architecture competition.The pedagogical exercise comprised theoretical lectures complemented by simulation sessions, designed to …

The Impact Of Direct Emergency Policies Of Corona Pandemic On The Education Process Affecting Economic Labor Productivity, Shimaa Mohammed Hamdy Derbala, Usama Helmy Mohmmed

Mansoura Engineering Journal

This research examines the impacts of immediate emergency policies of the Corona Virus pandemic on the education process at Minya University; Egypt; along with impacts on economic labor productivity. It hypothesizes that academic performance of graduates during the pandemic declined, including impacts on employment, quality of labor, and economic productivity.The research reviews experiences of Malaysia, KSA, Kuwait, and Egypt in managing the education process during the pandemic. Two questionnaires were used, to analyze students’ satisfaction with the experience of distant teaching/learning, and to analyze workers’ satisfaction with the efficiency of economic labor productivity during the pandemic. SPSS Non …

Merging Biophilic Design Approach Into University Learning Interior Spaces: An Applied Experience, Sara M. Atwa

Mansoura Engineering Journal

Incorporating living elements into educational environments is a crucial matter, as many educational spaces are deprived of natural features. Designers should incubate this way of thinking to generate healthy and inspiring spaces for students. The biophilia hypothesis reveals that humankind has a genuine connection with the natural environment which makes us happier and healthier. Biophilic design has motivated architects to merge nature within the interior spaces using plants, reclaimed wood, water features, and daylight. Thereby, this manuscript debates that educational spaces – particularly in universities – requisite a sincere interaction with the nature environment by embracing biophilic design as an …

Designing Public Parks To Enhance Quality Of Life: A Case Study Of Al-Eskan Park In Buraydah City, Basem Osama Elgendy, Essam Salem Almahmoud

Mansoura Engineering Journal

Public parks are essential elements for improving the quality of life, as they contribute to enhancing psychological comfort and creating spaces for social interaction. As the Kingdom moves towards achieving the goals of Vision 2030, the growth of green spaces, and the increasing interest of community members in public parks. However, many parks still lack a design that meets the needs of visitors, which calls for studies to understand the desires and behavior of park-goers.

This study focused on Al-Eskan Park as a case study, employing a mixed-methods approach that included observation and surveys of 34 participants from various age …

Experimental Investigations For The Influence Of Pile Group Positions On Local Scour Geometry, Osama Nagah, El-Masry A. A, Reda Diab

Mansoura Engineering Journal

The sustainable development of coastal infrastructures such as docks and marine piers as well as riverine structures such as bridges, is critical to strengthening the global economy and developing international trade relationships. As a result, it is critical to provide vital insights into the hydraulic and geomorphological implications of any changes to infrastructures, enhancing our comprehension of sustainable practices in the marine and riverine environments. So, this experimental study delves into the intricate dynamics of scour hole morphology caused by integrating additional new pile group alongside before or behind an existing one, focusing on local scour deformations induced through extending …

Achieving Urban Resilience Strategies For Cities, Rehab Abdelfatah Abdel Aziz. Mahmoud

Mansoura Engineering Journal

The concept of the Resilient City is a relatively recent addition to urban planning discussions, gaining global attention due to the increasing need for cities to withstand urban, social, and environmental challenges. Urban resilience, alongside adaptability, plays a vital role in addressing these dynamic transformations. This research investigates how to implement urban resilience strategies to effectively respond to ongoing changes and sudden crises, such as terrorist attacks and natural disasters like floods, earthquakes, and hurricanes. The research identifies a critical gap in the absence of a comprehensive theoretical framework for evaluating the success of urban resilience strategies within cities’ planning …

Efficient Operation Of The Stand-Alone Solar Photovoltaic Power System, Tasneem Mohammed Abed Al-Ezaby, Saad Saad Eskander, Mohammed Adel El-Sayes

Mansoura Engineering Journal

Due to the instability in the amount of solar radiation and the need for battery units to steady the required energy to supply the load the cost of the photovoltaic system construction and operation has increased by at least 60%, an optimal operation for sizing the photovoltaic system has been presented to reduce the number of battery units and utilize the solar cell panels to the maximum. The characteristic behavior of the PV system has been studied and the load curve has been presented. Based on the results we achieved our purpose. A suitable program has been offered and the …

Applying Visual Identity At The Main Entrances To Cities (Case Study: Entrance To Beni Suef City), Nesma Mohamed Abd El- Maksoud

Mansoura Engineering Journal

Egypt’s vision and many initiatives, such as the “Controlling Egyptian Urbanism and Supporting Visual Identity” initiative, seek to create a visual identity for Egypt’s governorates, to deepen the concept of national belonging, and to issue a guideline for visual identity at the level of each governorate. The visual identity of cities is produced from a set of urban, social, cultural, historical, and environmental variables. Economically, the research studies how to link the urban and visual identity of cities and express it through the entrances to cities and the urban spaces surrounding them to improve and develop the city’s local and …

Energy Performance Efficiency And Cost Analysis By Bim-Based Model Simulation For Residential Buildings In Egypt, Bishoy Magdy Tawfeeq Sidhom

Mansoura Engineering Journal

Technology plays an important role in meeting the needs of users, as it is considered one of the important tools in the BIM construction and industry, which many engineering sectors in projects have taken an interest in using by creating a social and healthy environment. Therefore, Egypt was interested in resorting to the establishment of stations to take advantage of renewable energy sources to produce energy and reduce the consumption of non-renewable energy sources, including reducing the consumption of cooling devices in the summer to save energy and costs. BIM helps designers design buildings quickly, the ability to analyze information, …

Scaleddetr: An Alight Weight Object Detection Model For Autonomous Driving, Ali Elhenidy, Labib Mohamed, Amira Yassien, Mahmoud Saafan

Mansoura Engineering Journal

End-to-end object detection is one of the recent trends in object detection; however, it is time- and memory-consuming due to the Transformer encoder-decoder (TED) module. Detection TRansformer (DETR) is the first end-to-end object detector using a TED architecture. Despite achieving competitive performance, it suffers from slow convergence due to a long sequence of attention and the whole image. In this paper, ScaledDETR is proposed to handle the slow convergence issue in DETR and speed up the training process by implementing end-to-end detection based on the latest efficient backbone with fewer parameters. ScaledDETR proposes an efficient model with fewer parameters by …

A Proposed Architectural Strategies To Design A Healthy Home For Kids, Kareem Mahrous Ali

Mansoura Engineering Journal

The research addresses the concept of Healthy Home for Kids and the importance of considering their needs and requirements in home design, because of Kids represents the nucleus and future of communities, also Home is the place where children spend most of the time and has a direct impact on their development, composition, and preparation for coexistence with the surrounding community. In spite of the importance of Home for Kids it is the most destructive building for children and does not help to stimulate children's basic areas of development in a comprehensive and integrated manner as a result of the …

Black Box Modeling Of Hvcb: A Comparative Approach, Raghdaa Elbahy, Ahmed Abdelbaset, Mahmoud Hammoda, Mansour H. Abdel-Rahman, Ebrahim A. Badran

Mansoura Engineering Journal

The extinction of an electric arc is a multifaceted process influenced by electric, magnetic, thermodynamic, and chemical phenomena. Black box models provide a mathematical depiction of the electrical characteristics of the arc. Although these models do not offer a complete explanation of the physical processes within a circuit breaker, they effectively describe its electric behavior. This study explores the modeling of electric arcs and the analysis of high-voltage circuit breakers using black box models such as Cassie, Mayr, and Schavemaker. To represent the circuit breaker model in ATPdraw, a customized MODELS block was employed. The paper presents a comparative evaluation …

Rehabilitation Of Existing University Buildings To Reduce Energy Consumption Through The Application Of Sustainable Design Standards (Case Study Of The Building Of The Modern Academy Of Engineering), Mohamed Mahmoud Hassan

Mansoura Engineering Journal

The research paper deals with the role of architects in finding solutions to the global energy problem, especially since the buildings sector, which consumes about 40% of the energy globally due to the design of buildings in a way that increases the building's energy needs by relying heavily on mechanical systems for heating and cooling and relying on industrial lighting completely During daylight hours, perhaps one of the most important energy-consuming buildings is the educational building. Therefore, the paper deals with the absence of a clear understanding among some architects of the need to move towards designing educational buildings in …

Anti-Phishing Approach For Iot System In Fog Networks Based On Machine Learning Algorithms, Mahmoud Gad Awwad, Mohamed M. Ashour, El Said A. Marzouk, Eman Abdelhalim

Mansoura Engineering Journal

As the Internet of Things (IoT) continues to expand, ensuring the security and privacyِ of IoT systems becomes increasingly critical. Phishing attacks pose a significant threat to IoT devices and can lead to unauthorized access, data breaches, and compromised functionality. In this paper, we propose an anti-phishing approach for IoT systems in fog networks that leverages machine learning algorithms, including a .fusion with deep learning techniques We explore the effectiveness of eleven traditional machine learning algorithms combined with deep learning in detecting and preventing phishing attacks in IoT systems. By utilizing a diverse range of algorithms, we aim to enhance …

Effect Of Initial Crack Length, Cross-Head Speed, And Quenching On The Fracture Toughness Of Hdpe With And Without Uv Stabilizers, A. Koriem, R. Singer, A. M. Ollick, M. Elhadary

Mansoura Engineering Journal

In materials science and engineering, understanding the fracture toughness of polymers is essential for ensuring the reliability and safety of various applications. This paper delves into the properties of high-density polyethylene (HDPE), a widely utilized polymer known for its versatility and durability. Fracture toughness, denoting a material's resistance to crack propagation, serves as a critical parameter in assessing the structural integrity of HDPE. The investigation focuses on unraveling the intricate interplay of factors influencing fracture toughness, with particular emphasis on crosshead speed, initial crack length, and the transformative effects of quenching. By exploring the relationships between these variables, our study …

Retraction Of Numerical Modeling Of An L-Shaped Very Stiff Concrete Retaining Wall, Mej Editorial Board

Mansoura Engineering Journal

This is a Retraction note

A Comparative-Analytical Based Approach To Improve Energy Efficiency In Office Buildings, Ahmed Mohamed Thabet Alieldin, Raghda Abdelwahab Othman

Mansoura Engineering Journal

Green Building Rating Systems (GBRSs) have spread worldwide to evaluate how buildings are related to sustainability criteria. On one hand, leadership in Energy and Environmental Design [1] was recognized to be one of the most prominent rating systems in all over the world. LEED gives importance to the energy category by giving it the highest weighting score. On the other hand, the Egyptian Green Pyramid Rating System (GPRS) has been established to expand the construction of green buildings in Egypt. The governmental codes, policies and strategies in Egypt play the main role in improving several codes in the …

Zinc And Bismuth Additives' Impacts On The Physical Properties Of Lead-Free Alloys Used In Electronic Appliances, Hesham Elzanaty, Rizk Mostafa Shalaby

Mansoura Engineering Journal

The goal of the current analysis was to analytically inspect how the addition of zinc and bismuth would alter the binary structure of the lead-free solder Sn-5Sb. Binary arrangement results have been stretched to the ternary arrangements Sn–5Sb–XBi or XZn (0 ≤ X ≤ 4wt.%) solder that were composed through rapid solidification processing (RSP) using the melt–spun method. The created phases were revealed through metallographic study of the formed alloys using XRD. High elastic modulus E = 32.5 GPa and good electrical resistivity = 26x10-8 .m are two characteristics of binary Sn-Sb doped with Bi. The alloy Sn–5Sb–4Zn owns the …

Production Of Hydrogen From Sodium Borohydride Using Bimetal Catalyst, Haitham I. Attia, Hani Mahanna, M.M. El-Halwany, Mahmoud H Mahmoud

Mansoura Engineering Journal

Here, in this paper we try to focus on the bi-metal non-semiconductor photo catalyst for the Production of hydrogen from sodium borohydride instead of semi conductor photo catalyst which have an excellent performance in photo-catalysis. In this paper , we studied the combination of CuNi bi-metal(developed and reinforced on MWCNTs) as a non-semiconductor photo-catalyst that generates electrons for the Production of hydrogen from sodium borohydride with led light as source of light , We also added CuNi on multi wall carbon nano tubes (MWCNTs) for increasing the surface area of the reaction. We studied the effect of different quantity of …

Assessing The Utilization Of Glazing Types And Alternatives In Office Buildings To Reduce Energy Consumption And Carbon Emissions, Eman Badawy Ahmed

Mansoura Engineering Journal

According to Egypt's Vision 2030 and the recommendations of the Climate Conference, Cop 27, Egypt seeks to reduce energy consumption and emissions, especially carbon, by calculating the carbon footprint and moving towards issuing carbon certificates.
The elements of the building envelope have a strong impact on energy consumption and carbon emissions. Glass is one of the most influential elements. Therefore, it is necessary to study the effect of glassing on energy consumption.
The study aims to evaluate the use of glazing types and their alternatives to reduce energy and carbon consumption in administrative buildings by developing an estimation approach for …

Effect Of Rasp Heads With An Equivalent Height Of End Sill On Scour Hole Dimensions Downstream Weirs, Hadeer Abdelati, A.A. El-Masry, M.T Shamaa, K.A Nassar

Mansoura Engineering Journal

The occurrence of local scour downstream of heading-up structures poses a significant threat to their safety and stability, leading to complete failure. In this study, a series of ninety-six experiments were conducted in a rectangular flume downstream of a Fayoum-type weir. The experiments were designed to investigate the effects of various flow conditions, including a wide range of Froude numbers and tailwater depths. Three different applied discharges of 17.29, 20.63, and 24.17 lit/sec were utilized, along with twelve values of the Froude number ranging from 0.19 to 0.39. The experimental runs were divided into three distinct groups. The first group …

Investigating The Impact Of Cutting Parameters On Roundness And Circular Runout Using Signal-To-Noise Ratio Analysis, Enas Abdel-Fattah Taha, Mona. A. Aboueleaz, Ossama Badie Abouelatta, Fatma Abdallah Elerian

Mansoura Engineering Journal

Geometric dimensioning and tolerancing (GD&T) principles are crucial for achieving accuracy in machining. It is important to try to avoid possible errors when manufacturing the product, such as errors resulting from the machining process. In this paper, the effect of some cutting factors will be studied during the machining parameters (feed, speed, and depth of cut) on free-cutting steel samples that are widely used in the industry by exploring their effects on the roundness, and circular runout errors. The experiments were designed using the standard fractional factorial design L27 orthogonal array Taguchi method. Statistical methods are applied to find which …