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2025

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Articles 211 - 240 of 308

Full-Text Articles in Health Information Technology

Investigating The Relationship Between The Circadian Clock, Age, And Lifestyle, Samuel Park, Amaka Eziakonwa, Amega Nguyen, Madison Payne, Erich Stahmer, Alexis Salinas, Payson Broome, Angel Oliver, Christian Mccormick, Jasmyn Brown, Julie A. Zacharias-Simpson, Jutta Ward, Deborah Bell-Pedersen Feb 2025

Investigating The Relationship Between The Circadian Clock, Age, And Lifestyle, Samuel Park, Amaka Eziakonwa, Amega Nguyen, Madison Payne, Erich Stahmer, Alexis Salinas, Payson Broome, Angel Oliver, Christian Mccormick, Jasmyn Brown, Julie A. Zacharias-Simpson, Jutta Ward, Deborah Bell-Pedersen

Annual Research Symposium

This poster presentation aims to understand how circadian clock strength and phase are affected by age and lifestyle. By analyzing changes in physiological rhythms, the study seeks to develop strategies for promoting healthy aging by optimizing circadian function.


Tracking The Effects Of Time Zone Shift On An Individual’S Circadian Rhythm, Amaka Eziakonwa, Erich Stahmer, Amega Nguyen, Samuel Park, Madison Payne, Alexis Salinas, Deborah Bell-Pedersen, Julie A. Zacharias-Simpson Feb 2025

Tracking The Effects Of Time Zone Shift On An Individual’S Circadian Rhythm, Amaka Eziakonwa, Erich Stahmer, Amega Nguyen, Samuel Park, Madison Payne, Alexis Salinas, Deborah Bell-Pedersen, Julie A. Zacharias-Simpson

Annual Research Symposium

This poster presentation aims to understand how a rapid time-zone change can affect an individual’s circadian rhythms. By quantifying changes in physiological rhythms, the study seeks to develop targeted therapeutic interventions to mitigate the negative effects of jetlag.


Can We Eliminate The Negative Consequences Of Circadian Desynchronization Caused By Night Shift Work By Using A Light Therapy Lamp To Simulate A Sunset?, Amega Nguyen, Madison Payne, Amaka Eziakonwa, Erich Stahmer, Alexis Salinas, Samuel Park, Julie A. Zacharias-Simpson, Deborah Bell-Pedersen Feb 2025

Can We Eliminate The Negative Consequences Of Circadian Desynchronization Caused By Night Shift Work By Using A Light Therapy Lamp To Simulate A Sunset?, Amega Nguyen, Madison Payne, Amaka Eziakonwa, Erich Stahmer, Alexis Salinas, Samuel Park, Julie A. Zacharias-Simpson, Deborah Bell-Pedersen

Annual Research Symposium

This poster aims to understand the relationship between desynchronosis of circadian rhythms and night-shift work and how light therapy can mitigate some of the issues of desynchronosis. This study seeks to develop therapies for disrupted circadian rhythms from night-ship works.


Circadian Rhythm And Its Impact On Balance And Physical Performance, Angel Oliver, Christian Mccormick, Eseosa Aigbe, Tanner Erwin, Ariela Khandadash, Benjamin Khavkin, Samuel Park, Jutta Ward, Deborah Bell-Pedersen Feb 2025

Circadian Rhythm And Its Impact On Balance And Physical Performance, Angel Oliver, Christian Mccormick, Eseosa Aigbe, Tanner Erwin, Ariela Khandadash, Benjamin Khavkin, Samuel Park, Jutta Ward, Deborah Bell-Pedersen

Annual Research Symposium

This study explores the relationship between circadian rhythms and human performance across three key domains: cardiovascular endurance, vestibular function, and strength. Through the review of data obtained through performance testing at two different time points along with 24-hour physiological tracking, this study attempts to find correlations between circadian function and physical performance.


Investigating The Impact Of Shift Work On Circadian Rhythms And Health In Healthcare Workers, Dominique Gillette, Grace Godfrey, Jacob Godfrey, Angela Nguyen, Hannah Gewaid, Carissa Salamatin, Sharon Sengphanith, Samuel Park, Colin Burton, Neha Doppalapudi, Daniel Oraee, Deborah Bell-Pedersen Feb 2025

Investigating The Impact Of Shift Work On Circadian Rhythms And Health In Healthcare Workers, Dominique Gillette, Grace Godfrey, Jacob Godfrey, Angela Nguyen, Hannah Gewaid, Carissa Salamatin, Sharon Sengphanith, Samuel Park, Colin Burton, Neha Doppalapudi, Daniel Oraee, Deborah Bell-Pedersen

Annual Research Symposium

This poster presentation aims to discuss how working the night shift contributes to health risks through the disruption of circadian rhythm in healthcare workers. We hope to gain insight on the relationship between these disturbances and the circadian clock in order to establish strategies that optimize healthy lifestyles for healthcare workers.


Artificial Intelligence In Conservative Dentistry And Endodontics, Keerthana Kesavalu Krishnamurthy Feb 2025

Artificial Intelligence In Conservative Dentistry And Endodontics, Keerthana Kesavalu Krishnamurthy

Annual Research Symposium

No abstract provided.


Mhealth App To Promote Healthy Lifestyles For Diverse Families Living In Rural Areas: Usability Study, Alejandra Perez Ramirez, Adrian Ortega, Natalie Stephenson, Angel Muñoz Osorio, Anne E Kazak, Thao-Ly Phan Feb 2025

Mhealth App To Promote Healthy Lifestyles For Diverse Families Living In Rural Areas: Usability Study, Alejandra Perez Ramirez, Adrian Ortega, Natalie Stephenson, Angel Muñoz Osorio, Anne E Kazak, Thao-Ly Phan

Department of Pediatrics Faculty Papers

BACKGROUND: Mobile Integrated Care for Childhood Obesity is a multicomponent intervention for caregivers of young children with obesity from rural communities that was developed in collaboration with community, parent, and health care partners. It includes community programming to promote healthy lifestyles and address social needs and health care visits with an interdisciplinary team. A digital mobile health platform-the Healthy Lifestyle (Nemours Children's Health) dashboard-was designed as a self-management tool for caregivers to use as part of Mobile Integrated Care for Childhood Obesity.

OBJECTIVE: This study aimed to improve the usability of the English and Spanish language versions of the Healthy …


Anesthesia And Pain Management In Conflict-Affected Regions: Addressing Global Health Barriers To Access And Quality Of Care​, Naeel Uddin, Sierra Brown, Maria Easler, Ayanda Mkhize, Marwa Hamdam, Chandu Goli, Lauren Draper Feb 2025

Anesthesia And Pain Management In Conflict-Affected Regions: Addressing Global Health Barriers To Access And Quality Of Care​, Naeel Uddin, Sierra Brown, Maria Easler, Ayanda Mkhize, Marwa Hamdam, Chandu Goli, Lauren Draper

Annual Research Symposium

This poster examines how to deliver safe, effective anesthesia and pain control in areas with limited resources and ongoing security threats. Focusing on portable technology, ketamine-based protocols, and telemedicine, we highlight ethical considerations, training needs, and global collaborations. Our findings outline a pathway to reduce suffering and improve surgical outcomes in vulnerable populations by addressing challenges unique to conflict settings.


The Opportunities And Barriers Surrounding The Use Of Digital Health And Telemedicine In Sub-Saharan Africa, Aveline Langmead, Afua Osei-Wusu, Erica Tutuwan, Sara Mcmahon, Porter Biggs Feb 2025

The Opportunities And Barriers Surrounding The Use Of Digital Health And Telemedicine In Sub-Saharan Africa, Aveline Langmead, Afua Osei-Wusu, Erica Tutuwan, Sara Mcmahon, Porter Biggs

Annual Research Symposium

No abstract provided.


Characteristics And Outcomes Of Adults Hospitalized With Respiratory Syncytial Virus, Brian S. Shaw, Cara Slaton, Ian P. Murphy, Michael Mcalister, Daniel Egan, Kwabena Ayesu Feb 2025

Characteristics And Outcomes Of Adults Hospitalized With Respiratory Syncytial Virus, Brian S. Shaw, Cara Slaton, Ian P. Murphy, Michael Mcalister, Daniel Egan, Kwabena Ayesu

The University of Louisville Journal of Respiratory Infections

Background: Respiratory syncytial virus (RSV) is a negative sense single-stranded RNA virus (ssRNA) that primarily causes respiratory infections in both children and older adults. We examined clinical characteristics and outcomes of hospitalized adult patients who tested positive for RSV.

Methods: This was a multicenter, retrospective, descriptive study that examined adult patients admitted with a positive RSV test over two years across eight hospitals in Orlando, Florida.

Results: A total of 120 patients were included, of which 88 (73%) were 60 years old and older. Overall, patients with RSV infection were caucasian (62%) with a median age of 70 years and …


Machine Learning And Shap Interpretability For Chronic Disease Understanding, Nnaemeka Charles Igwe, Khandaker Mamun Ahmed Feb 2025

Machine Learning And Shap Interpretability For Chronic Disease Understanding, Nnaemeka Charles Igwe, Khandaker Mamun Ahmed

SDSU Data Science Symposium

Non-communicable diseases (NCDs), such as diabetes, are major global health concerns influenced by various health parameters and lifestyle choices. Traditional methods struggle to efficiently predict and manage these conditions due to the complexity and diversity of medical data. There is a need to leverage machine learning algorithms and modern computational tools to accurately predict diabetes, improve diagnosis, and provide actionable insights for better healthcare outcomes. In this project we study the application of machine learning methods for predicting NCDs such as diabetes. Moreover, we leverage hyperparameter tuning techniques for model development and SHapley Additive exPlanation (SHAP) for results interpretations and …


Comparing In-Person, Standard Telehealth, And Remote Musculoskeletal Examination With A Novel Augmented Reality Exercise Game System: Pilot Cross-Sectional Comparison Study, Richard Wu, Keerthana Chakka, Sara Belko, Ninad Khargonkar, Kevin Desai, Balakrishnan Prabhakaran, Thiru Annaswamy Feb 2025

Comparing In-Person, Standard Telehealth, And Remote Musculoskeletal Examination With A Novel Augmented Reality Exercise Game System: Pilot Cross-Sectional Comparison Study, Richard Wu, Keerthana Chakka, Sara Belko, Ninad Khargonkar, Kevin Desai, Balakrishnan Prabhakaran, Thiru Annaswamy

SKMC Student Presentations and Publications

BACKGROUND: Current telemedicine technologies are not fully optimized for conducting physical examinations. The Virtual Remote Tele-Physical Examination (VIRTEPEX) system, a novel proprietary technology platform using a Microsoft Kinect-based augmented reality game system to track motion and estimate force, has the potential to assist with conducting asynchronous, remote musculoskeletal examinations.

OBJECTIVE: This pilot study evaluated the feasibility of the VIRTEPEX system as a supplement to telehealth musculoskeletal strength assessments.

METHODS: In this cross-sectional pilot study, 12 study participants with upper extremity pain and/or weakness underwent strength evaluations for four upper extremity movements using in-person, telehealth, VIRTEPEX, and composite (telehealth plus VIRTEPEX) …


The Association Between Online Health Information Characteristics And Appropriate Trust In Informational Quality Among Patients With High Cardiovascular Risk, Lim Woei Xian Feb 2025

The Association Between Online Health Information Characteristics And Appropriate Trust In Informational Quality Among Patients With High Cardiovascular Risk, Lim Woei Xian

Student Works (2020-2029)

More patients are turning to the Internet to understand their health and make health decisions. However, the quality of online health information (OHI) is highly variable, and it may contain misinformation. Patients who lack the necessary skills to appraise OHI may trust poor-quality OHI. Thus, this study aims to examine the association between OHI characteristics and appropriate trust in patients with high cardiovascular (CV) risk. This is a secondary analysis from a quantitative cohort study of 270 patients from a primary care clinic in Kuala Lumpur, Malaysia. Patients recorded each OHI encountered over two months in a digital information diary …


Virtual Checkout™: Streamlining Patient Discharge Through Telehealth Innovation, Tony Fabiano, Md, Judd Hollander, Md Feb 2025

Virtual Checkout™: Streamlining Patient Discharge Through Telehealth Innovation, Tony Fabiano, Md, Judd Hollander, Md

Jefferson Center for Connected Care Posters

Why Virtual Checkout™?

- The new Honickman Center at Jefferson Health was designed to allow for checkout occur in the room, creating a more patient-centered experience

  • Approximately 600 Virtual Checkout™ sessions per day

- Virtual Checkout™ (VCO) is an alternative to allow for the patientcentric experience but with a more efficient staffing model

  • Remote VCO agents can service patients in multiple clinics at the same time

- Can seamlessly deliver care and checkout experience in patient’s preferred language

  • 8.5% of patient visits with non-English primary language (patient seen at Honickman Center


Realizing The Value Of Virtual Care Programs, Tony Fabiano, Md, Judd Hollander, Md, Frank Sites, Rn, Bsn Feb 2025

Realizing The Value Of Virtual Care Programs, Tony Fabiano, Md, Judd Hollander, Md, Frank Sites, Rn, Bsn

Jefferson Center for Connected Care Posters

Introduction

  • Advancing virtual care requires a realistic conversation that moves past innovation and “coolness” and evaluates the program in the same manner as any other program being introduced into a health system
  • The focus must be on value, which takes into account both quality (outcomes) and cost.
  • We share four models we have developed, as we are deciding how best to move forward with virtual care


February 2025, Swosu Rural Health Center Feb 2025

February 2025, Swosu Rural Health Center

RURAL ROCKS

This is the February 2025 issue of Rural Rocks from the SWOSU College of Pharmacy.


February 2025, Swosu Bulldog Wellness Committee Feb 2025

February 2025, Swosu Bulldog Wellness Committee

SWOSU BULLDOG WELLNESS

February is the Month that we Celebrate Love. Here are a few tips on how to Love yourself more.


Vaxbot-Hpv: A Gpt-Based Chatbot For Answering Hpv Vaccine-Related Questions, Danniel Rhee, Lara S Savas, Licong Cui, Cui Tao Feb 2025

Vaxbot-Hpv: A Gpt-Based Chatbot For Answering Hpv Vaccine-Related Questions, Danniel Rhee, Lara S Savas, Licong Cui, Cui Tao

Faculty, Staff and Student Publications

OBJECTIVE: Human Papillomavirus (HPV) vaccine is an effective measure to prevent and control the diseases caused by HPV. However, widespread misinformation and vaccine hesitancy remain significant barriers to its uptake. This study focuses on the development of VaxBot-HPV, a chatbot aimed at improving health literacy and promoting vaccination uptake by providing information and answering questions about the HPV vaccine.

METHODS: We constructed the knowledge base (KB) for VaxBot-HPV, which consists of 451 documents from biomedical literature and web sources on the HPV vaccine. We extracted 202 question-answer pairs from the KB and 39 questions generated by GPT-4 for training and …


Addressing Barriers To Equitable Telehealth For Older Adults, Bruce Leff, Christine S. Ritchie, Kristin L. Rising, Kendell Cannon, Liane Wardlow Jan 2025

Addressing Barriers To Equitable Telehealth For Older Adults, Bruce Leff, Christine S. Ritchie, Kristin L. Rising, Kendell Cannon, Liane Wardlow

Jefferson Center for Connected Care Faculty Papers

No abstract provided.


Case Report On Endocrine Induced Paralysis - " Unraveling The Impact Of Thyrotoxicosis On Potassium Homeostasis.", Srujith Pullipudi, Basava Chethan, Srinath K. M, Savitha Vijayakumar, Meghna B.S. Jan 2025

Case Report On Endocrine Induced Paralysis - " Unraveling The Impact Of Thyrotoxicosis On Potassium Homeostasis.", Srujith Pullipudi, Basava Chethan, Srinath K. M, Savitha Vijayakumar, Meghna B.S.

Digital Journal of Clinical Medicine

Thyrotoxic periodic paralysis (TPP) is a rare complication of hyperthyroidism, marked by episodes of muscle weakness and hypokalaemia. Although it predominantly affects young Asian men, it can also occur in females and individuals from non-Asian ethnic groups. TPP is a treatable form of hypokalaemic periodic paralysis and can often be the first indication of thyrotoxicosis. Triggers such as a high-carbohydrate diet, strenuous exercise, emotional stress, and steroid use can provoke TPP attacks. During an acute episode, the key diagnostic indicators are hypokalaemia along with elevated levels of thyroxine (T4) and triiodothyronine (T3). Treatment consists of two phases: promptly correcting hypokalaemia …


Federally Qualified Health Center Patients’ Experiences With Remote Patient Monitoring As Part Of Telehealth Services For Self-Measured Blood Pressure Monitoring, Fernanda Velasco-Huerta, Elvis Longanga Diese, Deevakar Rogith, William B Perkison, Susan H Fenton Jan 2025

Federally Qualified Health Center Patients’ Experiences With Remote Patient Monitoring As Part Of Telehealth Services For Self-Measured Blood Pressure Monitoring, Fernanda Velasco-Huerta, Elvis Longanga Diese, Deevakar Rogith, William B Perkison, Susan H Fenton

Faculty, Staff and Student Publications

BACKGROUND: Remote patient monitoring (RPM) for hypertension management has become increasingly popular, demonstrating benefits for both clinics and patients. However, patient engagement in self-measured blood pressure (SMBP) monitoring remains low despite healthcare providers' efforts. This study aimed to assess adherence and acceptance of RPM for SMBP among Texas Federally Qualified Health Center patients.

METHODS: Participants enrolled in the SMBP monitoring program were recruited at three health centers. Data was collected from patient health records, and a questionnaire assessed hypertension self-management, technology acceptance, intentions, and attitudes toward SMBP. Thematic analysis was conducted for open-ended responses that followed each item, and multivariate …


A Proposed Mhealth Intervention To Address Patient Barriers To Colposcopy Attendance: Qualitative Interview Study Of Clinic Staff And Patient Perspectives, Jennifer Hemler, Rachel Wagner, Brittany Sullivan, Myneka Macenat, Erin Tagai, Jazmarie Vega, Enrique Hernandez, Suzanne Miller, Kuang-Yi Wen, Charletta Ayers, Mark Einstein, Shawna Hudson, Racquel Kohler Jan 2025

A Proposed Mhealth Intervention To Address Patient Barriers To Colposcopy Attendance: Qualitative Interview Study Of Clinic Staff And Patient Perspectives, Jennifer Hemler, Rachel Wagner, Brittany Sullivan, Myneka Macenat, Erin Tagai, Jazmarie Vega, Enrique Hernandez, Suzanne Miller, Kuang-Yi Wen, Charletta Ayers, Mark Einstein, Shawna Hudson, Racquel Kohler

Department of Medical Oncology Faculty Papers

BACKGROUND: Cervical cancer disparities persist among minoritized women due to infrequent screening and poor follow-up. Structural and psychosocial barriers to following up with colposcopy are problematic for minoritized women. Evidence-based interventions using patient navigation and tailored telephone counseling, including the Tailored Communication for Cervical Cancer Risk (TC3), have modestly improved colposcopy attendance. However, the efficacious TC3 intervention is human resource-intense and could have greater reach if adapted for mobile health, which increases convenience and access to health information.

OBJECTIVE: This study aimed to describe feedback from clinic staff members involved in colposcopy processes and patients referred for colposcopy regarding adaptions …


Using Nanotechnology To Achieve Sustainability In Interior Residential Spaces, Neveen Youssef Azmy, Esraa Tarek Abu-El Azm, Ahmed Ahmed Rizk, Walaa Abou El-Haggag Mehanna Jan 2025

Using Nanotechnology To Achieve Sustainability In Interior Residential Spaces, Neveen Youssef Azmy, Esraa Tarek Abu-El Azm, Ahmed Ahmed Rizk, Walaa Abou El-Haggag Mehanna

Journal of Engineering Research

Major scientific and technological developments characterize the present time. One notable achievement is the nano revolution, which has greatly influenced various areas of life Nanotechnology is characterized by using very small particles of materials, either alone or by processing them to create new materials with remarkable properties. Hence, nanotechnology offers promising economic solutions and products to achieve a reliable and sustainable environment. Architecture has great potential to benefit from this technology to achieve sustainability and improve indoor environment quality. Given the proliferation of residential buildings in urban areas, where people spend most of their time, it is necessary to integrate …


Evaluating Lidar Technology In Iphone Mobiles For 2d Mapping Applications, Nasr Mohammady Saba, Salem Salama Saleh Jan 2025

Evaluating Lidar Technology In Iphone Mobiles For 2d Mapping Applications, Nasr Mohammady Saba, Salem Salama Saleh

Journal of Engineering Research

Abstract- LiDAR (Light Detection and Ranging) technology has revolutionized mapping applications, offering enhanced precision and accuracy in spatial data collection. The integration of LiDAR technology in the latest iPhone models, beginning with the iPhone 12 Pro, has introduced new capabilities for 2D data measurement and plan creation directly on the mobile device. The iPhone 12 Pro and 12 Pro Max models support LiDAR techniques within their mobile phone cameras, enhancing the performance of various applications such as Measurements and Photos. LiDAR operates by emitting pulsed light waves into the surrounding space, which bounce off nearby objects and return to the …


Experimental And Numerical Investigation For Optimum Design Of Hydraulic Steel Gates, Basma Hassan Mohamed Eng, Ahmed Mohamed Anwer Dr, Hanan Eltobgy Prof., Gamal Helmy El-Saeed Prof Jan 2025

Experimental And Numerical Investigation For Optimum Design Of Hydraulic Steel Gates, Basma Hassan Mohamed Eng, Ahmed Mohamed Anwer Dr, Hanan Eltobgy Prof., Gamal Helmy El-Saeed Prof

Journal of Engineering Research

Conventionally, steel gates are widely used in hydraulic structures for their superior mechanical properties in sustaining hydrostatic pressure. Maintenance and operational costs should be considered while studying the feasibility of these gates. In the current research, three prototype steel gates with different configurations were prepared and examined experimentally. The three gates have the same surface dimensions of (width x height) equal to (1.0 x 1.25 m). The first steel gate represents a typical traditional gate made of skin plate and stiffened laterally using standard steel channels and will be kept for comparison. The second gate represents a standard thicker plate …


Performance And Emissions Characteristics Of Multi-Cylinder Direct Injection Diesel Engine Fuelled With Diesel/Biodiesel And Toluene Additives, Hagar Alm-Eldin Bastawissi, Medhat Elkelawy Prof. Dr. Eng., Mohammed Osama Elsamadony Dr. Eng., Moustafa Ghazaly Eng. Jan 2025

Performance And Emissions Characteristics Of Multi-Cylinder Direct Injection Diesel Engine Fuelled With Diesel/Biodiesel And Toluene Additives, Hagar Alm-Eldin Bastawissi, Medhat Elkelawy Prof. Dr. Eng., Mohammed Osama Elsamadony Dr. Eng., Moustafa Ghazaly Eng.

Journal of Engineering Research

This study explores the impact of using a diesel, biodiesel, and toluene additive fuel blend in a multi-cylinder direct injection diesel engine, focusing on both performance and emissions characteristics. Biodiesel, made from renewable sources like vegetable oils, is often added to diesel to reduce reliance on fossil fuels and improve combustion due to its higher oxygen content. In this work, a 45% biodiesel blend (B45) led to significant reductions in particulate matter (PM) emissions by up to 40% compared to conventional diesel. Additionally, carbon monoxide (CO) and hydrocarbon (HC) emissions decreased by up to 30% and 25%, respectively, due to …


Effect Of Dual-Fuelled Cng And Gasoline On Spark Ignition Engine Performance And Emissions Behaviors At Different Loads, Medhat Elkelawy Prof. Dr, Eng., M.M. Bassuoni Prof. Dr., Hagar Alm-Eldin Bastawissi, Saied I. Haiba Eng. Jan 2025

Effect Of Dual-Fuelled Cng And Gasoline On Spark Ignition Engine Performance And Emissions Behaviors At Different Loads, Medhat Elkelawy Prof. Dr, Eng., M.M. Bassuoni Prof. Dr., Hagar Alm-Eldin Bastawissi, Saied I. Haiba Eng.

Journal of Engineering Research

Engine emissions are one of numerous factors that have detrimentally affected the environment, such as global warming, which is the result of growing exhaust gases, practically carbon dioxide (CO2). These emissions have substantially influenced researchers to develop strategic initiatives to minimize the carbon contents of fuels. The purpose of this research is to investigate the characteristics of internal combustion (SI) engines fueled by gasoline and compressed natural gas (CNG) blends. The experiments are performed using a HONDA 4-stroke, single-cylinder, and air-cooled SI engine. Five CNG concentrations are evaluated, the concentrations range from 0.5 to 2.5 L/min with a 0.5 L/min …


A Quantitative Analysis Of The Commercial-Additive Effects On Diesel Engine Combustion And Emissions Characteristics, Medhat Elkelawy Prof. Dr. Eng., Hagar Alm-Eldin Bastawissi Prof. Dr. Eng., E. A. El Shenawy Prof. Dr., Mahmoud Mohamed Soliman Mahmoud Mohamed Mahmoud Soliman Jan 2025

A Quantitative Analysis Of The Commercial-Additive Effects On Diesel Engine Combustion And Emissions Characteristics, Medhat Elkelawy Prof. Dr. Eng., Hagar Alm-Eldin Bastawissi Prof. Dr. Eng., E. A. El Shenawy Prof. Dr., Mahmoud Mohamed Soliman Mahmoud Mohamed Mahmoud Soliman

Journal of Engineering Research

Petroleum fuel prices fluctuate in response to global political and economic issues. Government regulations should be followed when it comes to engine emissions, as these dangerous pollutants have a negative impact on the environment. One such effect is global warming, which raises global temperatures. The purpose of this study is to develop the additives for use as a fuel mix with diesel fuel, which will be used to feed the diesel engine of a single cylinder, four strokes. The engine will be tested experimentally with varying loads at fixed speed of 1500 rpm, using blends of [(5% PRETSONE additive + …


Design And Implementation Of A Low-Cost Educa-Tional Robot For Engineering Curriculums, Diana Refaat Henry Jacob, Ashraf Mohamed Hafez, Mohamed Tarek Elawa Jan 2025

Design And Implementation Of A Low-Cost Educa-Tional Robot For Engineering Curriculums, Diana Refaat Henry Jacob, Ashraf Mohamed Hafez, Mohamed Tarek Elawa

Journal of Engineering Research

The role of educational robots is becoming increasingly important. Many commercial educational robots differ in their abilities and price. In general, the cost of these robots presents the main cause of their limited use in the teaching process, especially in countries with limited financial resources. This work attempts to solve this problem by designing and implementing an educational robot with a limited budget. The robot was initially intended to serve higher education students' needs, especially in engineering curriculums but can be extended to other application areas. This work presents robot hardware functional blocks, mechanical struc-ture design, and 3D printing implementation. …


A Greening The Diesel: Vegetable Oil Biodiesel Blends For Cleaner Emissions And Improved Direct Injection Diesel Engine Performance, Medhat Elkelawy Prof. Dr, Eng., Hagar Alm-Eldin Bastawissi, E. A. El Shenawy Prof. Dr., Mustafa Mohamed Ouda Jan 2025

A Greening The Diesel: Vegetable Oil Biodiesel Blends For Cleaner Emissions And Improved Direct Injection Diesel Engine Performance, Medhat Elkelawy Prof. Dr, Eng., Hagar Alm-Eldin Bastawissi, E. A. El Shenawy Prof. Dr., Mustafa Mohamed Ouda

Journal of Engineering Research

In this study, we conducted comprehensive experiments to assess and compare the performance of pure diesel fuel against biodiesel produced from corn oil in various blend ratios (15/85, 30/70, 45/55, and 60/40) in a conventional four-stroke, direct-injection diesel engine, fuel is injected directly into the combustion chamber at the end of the compression stroke, allowing for efficient combustion and power generation over four distinct phases: intake, compression, power, and exhaust. Each fuel blend was tested at an engine speed of 16,000 rpm across different load conditions (low, medium, and high). Key performance metrics, including volumetric fuel consumption, exhaust smoke, and …