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2025

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Social Support Networks’ Influence On First-Generation Professionals’ Career Success, Melissa-Ann M. Lagunas Jan 2025

Social Support Networks’ Influence On First-Generation Professionals’ Career Success, Melissa-Ann M. Lagunas

Clinical Psychology Dissertations

This dissertation examines how perceived social support influences career success among first-generation professionals (FGPs)—individuals who are first in their families to pursue white- collar careers. Drawing on Seibert et al.'s (2001) Social Capital Theory of Career Success, I investigate direct and indirect pathways through which social support affects three dimensions of career success: sense of belonging, professional flourishing, and career satisfaction, while exploring mediating roles of perceived support network quality and resilience. A sample of 230 FGPs (Mage = 31.9 years, SD = 5.32) completed a 62-item online survey hosted on Qualtrics. Participants represented diverse professional disciplines classified into five …


The Impact Of Coping Strategies On The Perceived Stress And Well-Being Of People With Disabilities During The Covid-19 Pandemic, Angela G. Maccarrone Jan 2025

The Impact Of Coping Strategies On The Perceived Stress And Well-Being Of People With Disabilities During The Covid-19 Pandemic, Angela G. Maccarrone

Clinical Psychology Dissertations

The COVID-19 pandemic significantly and negatively impacted those around the world, particularly marginalized groups such as people with disabilities (PWDs). What remains unclear from existing published research is the exact relationship between perceived stress of the pandemic, coping, and overall well-being in PWDs. Prior research and theoretical models of coping suggest that active coping processes are associated with more positive outcomes versus avoidant coping strategies, which have shown less favorable outcomes on well-being. Due to the varying ways in which the pandemic affected PWDs, coping might serve as a moderator, amplifying the negative relationship between perceived stress and well-being. Building …


Douglas K. Newell Oral History, Douglas K. Newell, Katherine O'Neil Jan 2025

Douglas K. Newell Oral History, Douglas K. Newell, Katherine O'Neil

50 Years of Douglas K. Newell

The following is the written transcript of the oral history of Edmund O. Belsheim Professor of Law Emeritus Douglas K. Newell. This transcript has been slightly edited by Professor Newell for accuracy.

The interviews capturing the oral history were conducted by Katherine O'Neil '77 during 2023-2024, transcribed and then edited by Professor Newell in 2025.

The history chronicles Professor Newell's life from his early humble beginnings in Glendale, California, attending Pomona College, being accepted into Harvard Law School, his Clerkship with U.S. District Judge for Los Angeles' Central District William M. Byrne, his brief foray into private practice, and his …


Grade Notes 4: How To Use Grade When There Is "No" Evidence? A Case Study Of Using Unpublished Registry Data., Ibrahim K. El Mikati, Brandy Begin, Dagmara Borzych-Duzalka, Alicia M. Neu, Troy Richardson, Rebecca G. Same, Franz Schaefer, Bradley A. Warady, Reem A. Mustafa Jan 2025

Grade Notes 4: How To Use Grade When There Is "No" Evidence? A Case Study Of Using Unpublished Registry Data., Ibrahim K. El Mikati, Brandy Begin, Dagmara Borzych-Duzalka, Alicia M. Neu, Troy Richardson, Rebecca G. Same, Franz Schaefer, Bradley A. Warady, Reem A. Mustafa

Manuscripts, Articles, Book Chapters and Other Papers

OBJECTIVES: Trustworthy guidelines rely on systematic reviews of the best available published evidence. The GRADE (Grading of Recommendations Assessment, Development, and Evaluation) Working Group has provided guidance about developing evidence-based recommendations when published direct evidence is lacking. In this article, we provide a case example as an alternate solution to generate primary data using registries prior to collecting expert evidence.

STUDY DESIGN AND SETTING: When direct published literature was absent, a team of clinical and statistical expertise can utilize registries, when available, for primary data generation in a way that allows for answering clinically important questions.

RESULTS: Out of 54 …


Emerging Role Of Sh3bp2 As Regulator Of Immune And Nonimmune Cells In Nephrotic Syndrome., Tarak Srivastava, Mukut Sharma Jan 2025

Emerging Role Of Sh3bp2 As Regulator Of Immune And Nonimmune Cells In Nephrotic Syndrome., Tarak Srivastava, Mukut Sharma

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: Minimal change disease (MCD) and focal segmental glomerulosclerosis (FSGS) are major forms of nephrotic syndrome that remain difficult to treat. MCD and FSGS have distinct but also overlapping clinical, histological, metabolic, and molecular features. Effective use of immunosuppressive drugs, activated immune cells, altered cytokine profiles, and upregulated signaling pathways suggest a link between immune dysfunction and nephrotic syndrome, but the exact mechanism of immunopathogenesis is unclear. Immune dysfunction is an area of ongoing research for identifying novel molecular targets for treating nephrotic syndrome. However, the available animal models do not directly address the role of immune dysfunction in nephrotic …


Reducing Marine Plastic Pollution: Critical Assessment Of The Potential To Develop A Civil Liability And Compensation Mechanism Under The Law Of The Sea Convention, Alexandra Leaton Jan 2025

Reducing Marine Plastic Pollution: Critical Assessment Of The Potential To Develop A Civil Liability And Compensation Mechanism Under The Law Of The Sea Convention, Alexandra Leaton

School of Law, Humanities and Social Sciences Theses

Plastic pollution has had a detrimental global impact, particularly in the marine environment, due to its mobility, longevity, and tendency to be difficult to retrieve. The situation has worsened because of the increased production and consumption of plastics and the fact that pollution occurs throughout the entirety of plastics’ production and lifecycle. Its pathways/vectors to the marine environment are diffuse and complex. The combined environmental, social, and potential health impacts of plastics have resulted in the development of over 40 international legal and other regulatory mechanisms, although inconsistent implementation has resulted in a fragmented framework with gaps and overlaps. The …


“Fish In Different Water, To Survive Or To Thrive?” Understanding Direct-Entry Pre-Sessional Chinese Students’ Learning Experiences During Covid-19 And Its Aftermath, Lingyuan Osgathorpe Jan 2025

“Fish In Different Water, To Survive Or To Thrive?” Understanding Direct-Entry Pre-Sessional Chinese Students’ Learning Experiences During Covid-19 And Its Aftermath, Lingyuan Osgathorpe

School of Law, Humanities and Social Sciences Theses

This thesis explores the learning experiences of direct-entry pre-sessional Chinese students in the UK during the COVID-19 pandemic and its aftermath, using Pierre Bourdieu’s theoretical framework. Through the metaphor of students as "fish in different water", the research examines how these learners navigate and adapt to new educational environments that often starkly contrast with their prior experiences.The study employs a two-stage semi-structured interview process with student participants, first in China during their online pre-sessional courses and later in the UK during their degree programmes. All interviews were conducted in Mandarin Chinese to ensure linguistic and cultural accessibility. Additionally, expert interviews …


The Idealised And The Profane Nun: The Image Of The Nun At The Fin-De-Siècle And Into The 1930s., Shannon Lewis Jan 2025

The Idealised And The Profane Nun: The Image Of The Nun At The Fin-De-Siècle And Into The 1930s., Shannon Lewis

School of Law, Humanities and Social Sciences Theses

This thesis examines the representation of nuns from the Fin-de-Siècle into the 1930s, in the popular medium of postcards, in art during the Modernist period, and throughout the early development of film. The thesis demonstrates how secularisation, rapid technological development, and political discourse during the selected era impacted the image of the nun. The images selected will be reviewed in the light of Christian iconography, highlighting how the nun is represented and understood as a cultural construct, rather than the reality of the nun. Imagery of nuns from this era seems to fall into two categories of idealisation and/or profanation …


You Can Do A Lot And You Don't Have To Be Scared: Learning Outside The Classroom In Alternative Provision: An Ethnographic Study, Exploring Student Behaviour And Relationships In Varied Environmental Contexts, Kelly Davis Jan 2025

You Can Do A Lot And You Don't Have To Be Scared: Learning Outside The Classroom In Alternative Provision: An Ethnographic Study, Exploring Student Behaviour And Relationships In Varied Environmental Contexts, Kelly Davis

School of Law, Humanities and Social Sciences Theses

The most recent school exclusion data for England continues to demonstrate an alarming increase in both suspensions and permanent exclusions in schools across England (Prescott, 2024). In the academic year 2022-2023 there were 786,961 suspensions, the highest recorded annual number of suspensions in England (Department for Education, 2024). Permanent exclusions rose to 9,376 in the academic year 2022-2023, also the highest number of annual permanent exclusions recorded to date in England (Department for Education, 2024). The most recent termly statistics for Autumn 2024 show that both suspensions and permanent exclusions are continuing to rise, with 2023-2024 annual statistics anticipated to …


Nurturing The Event: A Trauma-Informed Psychosocial Analysis Of Conversions To Christianity And Desistance From Crime, Alex Beaumont Jan 2025

Nurturing The Event: A Trauma-Informed Psychosocial Analysis Of Conversions To Christianity And Desistance From Crime, Alex Beaumont

School of Law, Humanities and Social Sciences Theses

The aim of this thesis is to demonstrate the role prison chaplaincy and faith-based organisations play in supporting new Christian converts across HMPPS establishments. Drawing on research data from 11 in-depth narrative interviews with formerly incarcerated individuals, many of whom were long-term desisters or still in the desistance process (18 months post-release), this thesis provides a psychoanalytic interpretation of the relationship between early childhood development, traumatic events, and spiritual transformations in prison. Data was gathered using Hollway and Jefferson’s (2001) Free Association Narrative Interview Method (FANIM), which applies psychoanalytic principles to explore subjectivity beyond surface-level descriptions of self and identity. …


Experiences And Understandings Of Multiculturalism In Mainstream Primary Schools In Southwest England, Suparna Bagchi Jan 2025

Experiences And Understandings Of Multiculturalism In Mainstream Primary Schools In Southwest England, Suparna Bagchi

School of Law, Humanities and Social Sciences Theses

The present study is an exploration of teachers’, parents’ and students’ experiences and understandings of multiculturalism in four mainstream primary schools situated in a predominantly White location in Southwest England. It adopts qualitative methodology under a single case study design underpinned by a sociocultural theoretical framework. Data were collected from semi-structured interviews conducted virtually with adult participants, students’ classroom activities and field notes supplemented by photographs of classroom and corridor displays. Study findings suggest strong support among participants for incorporating multicultural components in school teaching and learning. Findings also suggest varying levels of accessibility, knowledge and availability of resources around …


Exploring Inclusive Education And Listening In Relation To Children's Experiences And Teachers' Perspectives, Ramazan Merk Jan 2025

Exploring Inclusive Education And Listening In Relation To Children's Experiences And Teachers' Perspectives, Ramazan Merk

School of Law, Humanities and Social Sciences Theses

This thesis addressed the field of inclusive education and the importance of listening from the perspectives of both children and teachers. Drawing on experiences in pre-school and reception classrooms in England, I explored the essence of inclusive education and effective implementation strategies to meet the needs of children, including those with diverse needs. Emphasis was placed on the necessity for teachers to acknowledge and address each child's individual needs when developing early years learning environments. Moreover, the study underlined the important role of active listening in promoting communication and understanding between teachers and children as a cornerstone of inclusive pedagogy. …


Reassembling Anti-Oppressive Teaching Practices In Professionally Qualifying Youth And Community Work Education, Christine Smith Jan 2025

Reassembling Anti-Oppressive Teaching Practices In Professionally Qualifying Youth And Community Work Education, Christine Smith

School of Law, Humanities and Social Sciences Theses

New and continuing formations of oppression remains a contemporary 21st Century challenge compounded by a fracturing of democratic structures that give rise to intolerance of difference and threaten social bonds. The big questions about the type of society we want to live in, what it means to be human, and the role of education are questions that are increasingly alienated from everyday lived experiences and a collective commitment to shape a fairer and more socially just world. Thus, the scale of challenges underscores a need to think differently about how Anti-Oppressive Practice (AOP) in professionally qualifying youth and community education …


The Comparison Of Human And Machine Performance In Object Recognition, Gokcek Kul Jan 2025

The Comparison Of Human And Machine Performance In Object Recognition, Gokcek Kul

School of Psychology Theses

Deep learning algorithms have advanced significantly due to better hardware and large training sets, with some claiming they now match or exceed human performance. Recent findings indicate improvements in robustness against Out-Of-Distribution benchmark sets and alignment with human categorisation behaviour. This thesis evaluates various machine learning models to ensure a fair comparison with human performance using principles from comparative psychology. Chapter 2 introduces a psychologically grounded framework for comparing human and machine object categorisation performance, focusing on different presentation times and task complexities. The results indicate that while recent machine learning models have reached or exceeded human performance under optimised …


“The True Me”: Unravelling The Dual Narrative Of Borderline Personality Disorder And Autistic Spectrum Disorder, Robin Iliffe-Lewis Jan 2025

“The True Me”: Unravelling The Dual Narrative Of Borderline Personality Disorder And Autistic Spectrum Disorder, Robin Iliffe-Lewis

School of Psychology Theses

Purpose: There is growing recognition that some individuals who receive a diagnosis of Borderline Personality Disorder (BPD) are later diagnosed with autism. However, existing literature on this topic remains limited. This study aimed to explore the experiences of individuals diagnosed with BPD prior to autism, how they made sense of these diagnoses, navigated clinical systems, and learnt to manage the complex challenges associated with this diagnostic sequence.Methods: Thirteen (6 male, 6 female, 1 non-binary) adult participants took part in semi-structured interviews exploring their diagnostic journeys. Reflexive thematic analysis was used to develop a nuanced understanding of their experiences.Results: Three themes …


Developing New Memory Tests In Alzheimer’S Disease: A Development And Initial Pilot Study., Áine Maguire Jan 2025

Developing New Memory Tests In Alzheimer’S Disease: A Development And Initial Pilot Study., Áine Maguire

School of Psychology Theses

Objective: This development and pilot study aimed to create and assess the utility and feasibility of using three new computerised memory tests of semantic interference during learning, short-term visual memory binding, and cross-modal associative memory binding with people with Alzheimer’s Disease (AD). Method: The new memory tests were evaluated as potential diagnostic and staging tests in AD using a sample of older adults: 15 with a clinical diagnosis of AD, mean age 70.80±5.41 years; 14 with positive AD biomarkers but no known cognitive impairment (preclinical AD), mean age 70.60±4.49 years; and 15 healthy controls (HCs), mean age 69.60 ±7.38 years. …


Exploring Individuals’ Experiences Of Working With Probation Who Have Personality Disorder: A Community-Based Participatory Action Research Approach., Nikki Morfey Jan 2025

Exploring Individuals’ Experiences Of Working With Probation Who Have Personality Disorder: A Community-Based Participatory Action Research Approach., Nikki Morfey

School of Psychology Theses

Utilizing a Community-Based Participatory Action Research approach, semi-structured interviews were used to explore seven individuals’ experiences of working with Probation who self-identified as screening into the Offender Personality Disorder (OPD) Pathway. Interpretative Phenomenological Analysis (IPA) of the data resulted in the construction of six Group Experiential Themes. Findings reflect participant confusion with the Personality Disorder label in light of feeling it was imposed without discussion, speaking to their experiences of the power dynamic in the probation relationship. Participants described being reduced to a case to be managed, with no space to be seen as a person, and a gap between …


The Experiences Of Systemic Invalidation In Chronic Pain Care Among Socioeconomically Disadvantaged Individuals: An Interpretative Phenomenological Study, Claira Moro Jan 2025

The Experiences Of Systemic Invalidation In Chronic Pain Care Among Socioeconomically Disadvantaged Individuals: An Interpretative Phenomenological Study, Claira Moro

School of Psychology Theses

This study explored the lived experiences of individuals from socioeconomically disadvantaged communities living with chronic pain and prescribed pain-relief medication. Using Interpretative Phenomenological Analysis, eight participants were recruited from a single primary care network in England. Two Group Experiential Themes were developed. This paper reports one: From dismissed to disengaged: the trauma of seeking help, with three sub-themes: (1) “Being fobbed off” – dismissal across healthcare and benefit systems; (2) “It just seemed horrible to me, to take it off me” – pain relief as withdrawn, stigmatised, or conditional; and (3) “Do I want to poke the bear?” – disengagement …


“We've Just Kind Of Woven In All These Different Ways Of Keeping Him Close By” A Narrative Analysis Of How Children And Their Surviving Parent Co-Construct Continuing Bonds Following Parental Death, Miriam Summers Jan 2025

“We've Just Kind Of Woven In All These Different Ways Of Keeping Him Close By” A Narrative Analysis Of How Children And Their Surviving Parent Co-Construct Continuing Bonds Following Parental Death, Miriam Summers

School of Psychology Theses

Continuing bonds research has predominantly focused on adults and considered from an individualistic perspective; consequently, little is known about how such bonds may be developed relationally within families. This study aimed to explore how parentally bereaved children and their parent/caregiver co-construct continuing bonds. Eight families were recruited, and parent/caregivers and their children were interviewed together. Narrative analysis explored semantic themes and interactional processes. The findings highlighted that continuing bonds are co-constructed through regular joint remembering, family acts of remembrance, joint connecting through objects and shared interpretations of signs from the deceased. Constructive interactional processes included collaboration, agreement and sharing positive …


A Community-Based Participatory Action Research Project Exploring The Experiences Of Suicidal Distress For Autistic Adults: An Interpretive Phenomenological Study, Kyah Sisulu, Emily Hustwick, Philippa Wood, Bethany George, Lealah Hewitt-Johns Jan 2025

A Community-Based Participatory Action Research Project Exploring The Experiences Of Suicidal Distress For Autistic Adults: An Interpretive Phenomenological Study, Kyah Sisulu, Emily Hustwick, Philippa Wood, Bethany George, Lealah Hewitt-Johns

School of Psychology Theses

Background: Suicide is the leading cause of death for young people aged 15–29 (WHO, 2021). Autistic individuals experience elevated rates of mental health difficulties, often linked to stigma, discrimination, and a lack of appropriate support (Botha & Frost, 2020; Hedley et al., 2018). They are significantly more likely to experience suicidal thoughts and behaviours than the general population (Hirvikoski et al., 2016). Despite this, limited research has explored autistic adults’ lived experiences of suicidal distress. Calls from autistic advocates highlight the need for inclusive, co-produced research to avoid perpetuating harm (Pellicano et al., 2014; Kapp et al., 2013).Aims: This study …


Shooting For The Stars: The Place Of International Economic Law In The International Legal Order, Valentina Vadi Jan 2025

Shooting For The Stars: The Place Of International Economic Law In The International Legal Order, Valentina Vadi

Indian Journal of International Economic Law

In the universe of international law, the galaxy of international economic law (IEL) consists of various legal instruments, institutions, and experts that – like stars, planets, and vast clouds of dust – are all bound together by gravity. Like cosmonauts, international economic courts ‘must look for reliable reference points in the known legal cosmology.’2 This article aims to contextualise the galaxy of international economic law within the universe of international law, discuss its role within the same, and identify some reference points that can help adjudicators navigate by the stars.


Self-Perceived Importance And Confidence Of Adolescents Transitioning To Adult Care., Lisa Lestishock, Carrie Cuomo, Teresa Hickam, Tisa Johnson-Hooper, Michele H. Maddux, Evan Muzzall, Margaret Mcmanus, Patience White Jan 2025

Self-Perceived Importance And Confidence Of Adolescents Transitioning To Adult Care., Lisa Lestishock, Carrie Cuomo, Teresa Hickam, Tisa Johnson-Hooper, Michele H. Maddux, Evan Muzzall, Margaret Mcmanus, Patience White

Manuscripts, Articles, Book Chapters and Other Papers

PURPOSE: Motivational interviewing (MI) techniques are used by health care teams to engage adolescents and young adults (AYAs) in health care self-management and pediatric to adult health care transition (HCT) planning efforts. The aim of this study was to assess the initial level of motivation of AYAs prior to receipt of HCT anticipatory guidance and to determine associations with demographic and health coverage factors.

METHODS: This retrospective study included 5112 AYAs, aged 12-26 years, from four health systems. All AYAs completed the Got Transition readiness assessment that includes MI questions on importance and confidence related to the move to an …


The Social Processes And Integrated Theory Of The Credible Messenger, David C. Brotherton Jan 2025

The Social Processes And Integrated Theory Of The Credible Messenger, David C. Brotherton

Publications and Research

The phenomenon of the credible messenger in anti-violence interventions in the United States has expanded greatly during the last decade or more. While the number of credible messengers has mushroomed along with their roles, there has been little attention paid to the agency of the subjects that makes these projects possible. In 2023-4 I led an evaluation study of such an intervention in New York City. Using an inductive analysis to discover emergent themes from qualitative interviews with credible messengers that centered on their: (i) life stories, (ii) training, (iii) field experience and (iv) professional trajectories, I propose an integrated …


The Inevitability Of Adaptability - Comparative Contributions To Understanding Originalism, Anna C. Conley Jan 2025

The Inevitability Of Adaptability - Comparative Contributions To Understanding Originalism, Anna C. Conley

Faculty Law Review Articles

What can comparative law teach us about originalism as a constitutional interpretation method? After synthesizing existing comparative analyses, this article seeks to redefine comparative law’s role in understanding originalism. When defining originalism strictly to require adherence to fixed original meaning, originalism is not used by courts anywhere in the world. Instead, courts use history purposively to understand the intent behind constitutional text as one of many methods of interpretation. Comparative works suggest historical constitutional interpretation has a complex relationship with rights, politics and culture.

Comparative law can provide not only descriptive understandings of originalism but also interrogate its mandate that …


Entrenchment Of Employment Inequality In The Academic Workforce: The Implications Of “An” Appropriate Bargaining Unit, Katherine Ashley Jan 2025

Entrenchment Of Employment Inequality In The Academic Workforce: The Implications Of “An” Appropriate Bargaining Unit, Katherine Ashley

Dalhousie Law Journal

The academic workforce has changed dramatically in recent years. Formerly, universities were staffed primarily by tenured faculty, making possible the collegial governance models under which they operate statutorily. There has been a shift away from this model, however, and universities now rely more heavily on part-time professors. Postsecondary institutions are among the most heavily unionized workplaces in Canada. Yet, while academic unionization is widespread, the unionization model is inconsistent: some unions are faculty associations, while others are not; some unions represent only full-time professors; others represent part-time instructors; others represent both; and some also include other types of academic employees. …


Beyond A Boundary Of Systemic Anti-Black Racism In The Workplace In Canada, Adelle Blackett Jan 2025

Beyond A Boundary Of Systemic Anti-Black Racism In The Workplace In Canada, Adelle Blackett

Dalhousie Law Journal

In this lecture, I will, however, focus on one of the legacies of slavery, that is, the largely untold story of racial segregation in the world of work in Canada. We have come so effectively, and rightly, to focus on the effects of discrimination, that we may have inadvertently walked past the history. Reclaiming this history will comprise the first part of my talk.

The second part of my talk will reference the emergence of the duty of fair representation. I will seek to illustrate the weight of the erasure of anti-Black racism through this duty. In other words, far …


A Right To Be Born?: What Dobbs Could Mean For Artificial Reproductive Technologies, Stewart Chang Jan 2025

A Right To Be Born?: What Dobbs Could Mean For Artificial Reproductive Technologies, Stewart Chang

Scholarly Works

No abstract provided.


Bridging Movement Lawyering & International Human Rights Advocacy, Citlalli Ochoa Jan 2025

Bridging Movement Lawyering & International Human Rights Advocacy, Citlalli Ochoa

Scholarly Works

The human rights field is often criticized for its lack of enforcement and implementation, lawyering methodologies, and its roots in imperialism, exceptionalism, and Eurocentric values. In response to some of these critiques, human rights scholars and advocates have embraced more grassroots approaches that in many instances resemble the movement lawyering methodologies employed in social justice advocacy in the United States. In the same way that movement lawyers have centered impacted communities and engaged in long term, coordinated legal and political advocacy to achieve normative change, human rights advocates have used the international human rights framework to exert political pressure, facilitate …


Social Conflict And Indigenous Consent In Mining: A Primer On Csr, Esg And Social Disclosures To Investors, Shin Imai Jan 2025

Social Conflict And Indigenous Consent In Mining: A Primer On Csr, Esg And Social Disclosures To Investors, Shin Imai

All Papers

The transnational corporate structure of mining companies makes it challenging to conduct independent investigations of allegations of social or environmental harm. A parent company can hide behind a multitude of subsidiaries in a multitude of jurisdictions to avoid liability. This article explores one way to bypass these corporate structures through the disclosure requirements of securities legislation. When a parent company fails to disclose social conflict or lack of Indigenous consent at a project, investors may be harmed when the stock price falls. This article describes six empirical studies, supported by extensive macro studies, which show that when social conflict or …


Investigation Of Soot Precursor Molecules During Inception By Acetylene Pyrolysis Using Reactive Molecular Dynamics, Anindya Ganguly, Khaled Mosharraf Mukut, Somesh Roy, Georgios Kelesidis, Eirini Goudeli Jan 2025

Investigation Of Soot Precursor Molecules During Inception By Acetylene Pyrolysis Using Reactive Molecular Dynamics, Anindya Ganguly, Khaled Mosharraf Mukut, Somesh Roy, Georgios Kelesidis, Eirini Goudeli

Mechanical Engineering Faculty Research and Publications

Soot inception by acetylene pyrolysis at 1350–1800 K is investigated using reactive molecular dynamics. The composition and chemical structure of soot precursor molecules formed during inception are elucidated. During soot inception, increasing the process temperature leads to faster depletion of C2H2 molecules and faster formation of C2H3, C2H4, C2H6, CH4, and C2 with the concurrent appearance of H2 molecules. Small molecules consisting of 1–5 C atoms (C1–C5) are formed due to reactive collisions and grow further to larger hydrocarbon compounds consisting of 6–10 C atoms. At initial stages of inception, prior to the formation of incipient soot, three-member rings are …