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Full-Text Articles in Chemical Engineering

Thermodynamic Analysis Of Separation Systems, Yaşar Demirel Dec 2004

Thermodynamic Analysis Of Separation Systems, Yaşar Demirel

Papers in Thermal Mechanics

Separation systems mainly involve interfacial mass and heat transfer as well as mixing. Distillation is a major separation system by means of heat supplied from a higher temperature level at the reboiler and rejected in the condenser at a lower temperature level. Therefore, it resembles a heat engine producing a separation work with a rather low efficiency. Lost work (energy) in separation systems is due to irreversible processes of heat, mass transfer, and mixing, and is directly related to entropy production according to the Gouy-Stodola principle. In many separation systems of absorption, desorption, extraction, and membrane separation, the major irreversibility …


Exergy Use In Bioenergetics, Yaşar Demirel Nov 2004

Exergy Use In Bioenergetics, Yaşar Demirel

Papers in Analytical Chemistry

Every developed and adapted biological system extracts useful energy from outside, converts, stores it, and uses for muscular contraction, substrate transport, protein synthesis, and other energy utilizing processes. This energy management in a living cell is called the bioenergetics, and the useful energy is the exergy, which is destroyed in every irreversible process because of the entropy production. The converted exergy is the adenosine triphosphate (ATP) produced through the oxidative phosphorylation coupled to respiration in which the exergy originates from oxidation of reducing equivalents of nutrients. A living cell uses the ATP for all the energy demanding activities; it has …


Project-Based Introduction To Engineering - A University Core Course, Samuel Bogan Daniels, Bouzid Aliane, Jean Nocito-Gobel, Michael Collura Jun 2004

Project-Based Introduction To Engineering - A University Core Course, Samuel Bogan Daniels, Bouzid Aliane, Jean Nocito-Gobel, Michael Collura

Engineering and Applied Science Education Faculty Publications

This paper describes a first year engineering course that is taken by both engineering and non-engineering students. The project-based Introduction to Engineering course, EAS107P, fulfills a university core curriculum elective. Although engineering students take the course during their first year, students from other majors typically elect to take the course later in their curriculum. The focus of EAS107P is to have students experience the engineering design and problem solving process in a multi-disciplinary, team-based setting. In addition to learning about design, students develop an interest in the engineering profession and build a foundation of skills for future work. An additional …


Development Of A Multidisciplinary Engineering Foundation Spiral, Samuel Bogan Daniels, Bouzid Aliane, Jean Nocito-Gobel, Michael Collura Jun 2004

Development Of A Multidisciplinary Engineering Foundation Spiral, Samuel Bogan Daniels, Bouzid Aliane, Jean Nocito-Gobel, Michael Collura

Engineering and Applied Science Education Faculty Publications

To operate effectively in today’s workforce engineers need to have a muti-disciplinary perspective along with substantial disciplinary depth. This broad perspective cannot be achieved by merely taking 2 or 3 engineering courses outside of the major, but rather will require a radical change in the way we educate engineers. The faculty of the School of Engineering and Applied Science at the University of New Haven have developed a new approach: the Multidisciplinary Engineering Foundation Spiral. This curricular model provides the needed mix of breadth and depth, along with the desired professional skills, by providing carefully crafted, well-coordinated curricular experiences in …


Project-Based Introduction To Engineering -- Course Assessment, Samuel Bogan Daniels, Michael Collura, Bouzid Aliane, Jean Nocito-Gobel Jun 2004

Project-Based Introduction To Engineering -- Course Assessment, Samuel Bogan Daniels, Michael Collura, Bouzid Aliane, Jean Nocito-Gobel

Engineering and Applied Science Education Faculty Publications

The School of Engineering and Applied Science at the University of New Haven has a newly developed project-based Introduction to Engineering course. This new course plays a central role in the new Multi-Disciplinary Engineering Foundation Spiral curriculum as the first semester course for all engineering freshmen. An assessment process was developed to determine the effectiveness of this project-based course, specifically with attention towards assessing attitudes, impact on retention, problem-solving and engineering foundation topics. This paper addresses the particular portion of the assessment process for the individual course projects and their contribution to the last two assessment categories.


Project Planning & Development For Engineering Freshmen, Bouzid Aliane, Michael Collura, Samuel Bogan Daniels, Jean Nocito-Gobel Jun 2004

Project Planning & Development For Engineering Freshmen, Bouzid Aliane, Michael Collura, Samuel Bogan Daniels, Jean Nocito-Gobel

Engineering and Applied Science Education Faculty Publications

The nature and background of students seeking an engineering education has changed drastically in the last decade, as has the expectations of industrial employers. Many students lack the organizational skills needed for academic success. Similar organizational skills, although more advanced, are required for managing engineering projects. A new course was developed by the faculty at the School of Engineering and Applied Science at the University of New Haven. Through this course, a key component of the Multidisciplinary Engineering Foundation Spiral, seeks to promote higher retention rates, increase student motivation and begin a confidence-building transition to professional practice. Project management concepts …