hile higher incomes generally lead to greater life satisfaction, it's not a guarantee. People in countries with high life satisfaction tend to use more energy, which can enhance comfort and mobility. Modest increases in energy use can significantly improve life satisfaction, but there are diminishing returns at higher levels.

While moving up the income ladder is generally accompanied by increased energy use, there are significant variations within income groups. Factors such as the economy's structure, geography, climate, lifestyle, public policy, and consumer attitudes also influence how effectively energy use translates into income.

Population growth does impact energy use, but per capita energy consumption varies greatly across countries due to factors like geography, climate, economic structure, policies, and cultural preferences. Countries with small populations can have high energy consumption, while countries with large populations may use less energy.

How does infrastructure meet our needs? What happens when we are cut off from that supporting infrastructure? As a class, students brainstorm, identify and explore the pathways where their food, water and energy originate, and where wastewater and solid waste go. After creating a diagram that maps a neighborhood's inputs and waste outputs, closed and open system concepts are introduced by imagining the neighborhood enclosed in a giant dome, cut off from its infrastructure systems. Students consider the implications and the importance of sustainable resource and waste management. They learn that resources are interdependent and that recycling wastes into resources is key to sustain a closed system.

Student teams find solutions to hypothetical challenge scenarios that require them to sustainably manage both resources and wastes. They begin by creating a card representing themselves and the resources (inputs) they need and wastes (outputs) they produce. Then they incorporate additional cards for food and energy components and associated necessary resources and waste products. They draw connections between outputs that provide inputs for other needs, and explore the problem of using linear solutions in resource-limited environments. Then students incorporate cards based on biorecycling technologies, such as algae photobioreactors and anaerobic digesters in order to make circular connections. Finally, the student teams present their complete biorecycling engineering solutions to their scenarios in poster format by connecting outputs to inputs, and showing the cycles of how wastes become resources.

Explore tunneling splitting in double well potentials. This classic problem describes many physical systems, including covalent bonds, Josephson junctions, and two-state systems such as spin 1/2 particles and ammonia molecules.

Based on College Physics by Open Stax

Short Description:
This is a custom edition for Practical Physics Physics 1104 at Douglas College. It has been modified from OpenStax College Physics.

Long Description:
This textbook has been customized for Physics 1104 at Douglas College. That course is intended for students who have not taken Physics previously or who have taken some secondary school Physics and want a review. The areas to be covered are mechanics (one and two dimensional motions; vectors; rotational motion; simple machines; work, energy, and power; momentum; equilibrium; Hooke’s law; collisions; circular motion; hydrostatics), heat (thermometry; heat transfer; thermal properties of matter), and electricity (electrostatics; direct current concepts and basic circuits).

This book is based on Open Stax’s College Physics. It is organized such that topics are introduced conceptually with a steady progression to precise definitions and analytical applications. The analytical aspect (problem solving) is tied back to the conceptual before moving on to another topic. Each introductory chapter, for example, opens with an engaging photograph relevant to the subject of the chapter and interesting applications that are easy for most students to visualize.

Word Count: 287459

(Note: This resource's metadata has been created automatically by reformatting and/or combining the information that the author initially provided as part of a bulk import process.)

A pro-Jackson satire applauding the President's September 1833 order for the removal of federal deposits from the Bank of the United States. The combined opposition to this move from Bank president Nicholas Biddle, Senate Whigs led by Daniel Webster and Henry Clay, and the pro-Bank press are ridiculed. On the right, Jackson, cheered on by Major Jack Downing, holds aloft an "Order for the Removal of Public Money." Jackson: "Major Jack Downing. I must act in this case with energy and decision, you see the downfall of the party engine and corrupt monopoly!!" Downing: "Hurrah! General! if this don't beat skunkin, I'm a nigger, only see that varmint Nick how spry he is, he runs along like a Weatherfield Hog with an onion in his mouth." From the document emanate lightning bolts which topple the columns and pediment of the Bank, which crash down amidst fleeing public figures and Whig editors. Around them are strewn various newspapers and sheets with "Salary $6,000" and "Printing expenses "$80,000" printed on them. Henry Clay (at left, fallen): "Help me up! Webster! or I shall lose my stakes." Daniel Webster (far left): "There is a tide in the affairs of men, as Shakespeare says, so my dear CLay, look out for yourself." Nicholas Biddle, with the head and hoofs of an ass or demon, runs to the left: "It is time for me to resign my presidency." Two men flee with sacks of "fees." These fugitives may be newspaper editors Mordecai Manuel Noah and James Watson Webb, advocates of the Bank accused of being in the employ of Biddle.|Draw'd off from Natur by Zek. Downing, Neffu to Major Jack Downing.|Printed & publd. by H.R. Robinson, 52 Cortlandt St. N. York.|The print appears to be a reversed copy of a work of the same title by Edward Williams Clay, deposited for copyright in the New York District Court on October 5, 1833. Weitenkampf and Davison both list the Clay version.|Title appears as it is written on the item.|Century, p. 40. |Davison, no. 62.|Murrell, p. 127.|Weitenkampf, p. 29.|Forms part of: American cartoon print filing series (Library of Congress)|Published in: American political prints, 1766-1876 / Bernard F. Reilly. Boston : G.K. Hall, 1991, entry 1833-9.

In this video from Young Voices for the Planet, four middle-school girls (The Green Team) talk about their efforts to work with their peers to reduce the carbon footprint of their school and how they made the school more energy efficient.

L’énergie solaire au Sénégal : un droit, des droits, une histoire

Long Description:
L’énergie solaire est une promesse de développement et de prospérité pour l’Afrique. Elle a été annoncée et expérimentée sur le continent dans un esprit de science ouverte et de « communs » technologiques et énergétiques il y a déjà près de soixante ans. Séchoirs et chauffe-eaux, pompes solaires et centrales électriques thermodynamiques : des pionniers ont développé et installé, dès la fin des années 1950, des techniques et des matériels en Afrique de l’Ouest et en particulier au Sénégal.

Le présent ouvrage, issu de deux journées d’études organisées à Dakar en mai 2016, rend compte pour la première fois, de manière particulièrement symbolique, de cette histoire et du futur de l’énergie solaire en Afrique. Il rassemble, dans une première partie, des témoignages d’acteurs et une mise en perspective sociohistorique large des politiques de l’énergie solaire en Afrique de l’Ouest sur un demi-siècle. Ce regard est complété par la réédition d’un texte de référence du professeur Abdou Moumouni Dioffo, pionnier nigérien de l’énergie solaire dès 1964.

Dans une seconde partie, cet ouvrage interroge également les prolongements actuels de l’énergie solaire en France et au Sénégal, en particulier son encadrement juridique et réglementaire. L’énergie solaire peut-elle ou doit-elle être considérée comme un « commun » ou un droit humain fondamental? Quels sont aujourd’hui les droits associés à l’énergie solaire au Sénégal? Quels enseignements tirer d’une comparaison avec le corpus juridique en la matière tel qu’il existe en France?

Associant juristes français et sénégalais, et spécialistes de la sociologie et des politiques de l’énergie, cet ouvrage se veut au final une invitation et un outil pour poursuivre les recherches sur l’histoire et le droit de l’énergie solaire en Afrique.

(Compléments vidéos, entretiens et témoignages sur le blog de recherche : https://afrisol.hypotheses.org)

Word Count: 96883

ISBN: 978-2-924661-34-5

(Note: This resource's metadata has been created automatically by reformatting and/or combining the information that the author initially provided as part of a bulk import process.)

This course covers the fundamentals of Newtonian mechanics, including kinematics, motion relative to accelerated reference frames, work and energy, impulse and momentum, 2D and 3D rigid body dynamics. The course pays special attention to applications in aerospace engineering including introductory topics in orbital mechanics, flight dynamics, inertial navigation and attitude dynamics. By the end of the semester, students should be able to construct idealized (particle and rigid body) dynamical models and predict model response to applied forces using Newtonian mechanics.

This course reviews momentum and energy principles, and then covers the following topics: Hamilton’s principle and Lagrange’s equations; three-dimensional kinematics and dynamics of rigid bodies; steady motions and small deviations therefrom, gyroscopic effects, and causes of instability; free and forced vibrations of lumped-parameter and continuous systems; nonlinear oscillations and the phase plane; nonholonomic systems; and an introduction to wave propagation in continuous systems.
This course was originally developed by Professor T. Akylas.

Introduction to the dynamics and vibrations of lumped-parameter models of mechanical systems. Kinematics. Force-momentum formulation for systems of particles and rigid bodies in planar motion. Work-energy concepts. Virtual displacements and virtual work. Lagrange’s equations for systems of particles and rigid bodies in planar motion. Linearization of equations of motion. Linear stability analysis of mechanical systems. Free and forced vibration of linear multi-degree of freedom models of mechanical systems; matrix eigenvalue problems. Introduction to numerical methods and MATLAB® to solve dynamics and vibrations problems.

This class is an introduction to the dynamics and vibrations of lumped-parameter models of mechanical systems. Topics include kinematics; force-momentum formulation for systems of particles and rigid bodies in planar motion; work-energy concepts; virtual displacements and virtual work; Lagrange’s equations for systems of particles and rigid bodies in planar motion; linearization of equations of motion; linear stability analysis of mechanical systems; free and forced vibration of linear multi-degree of freedom models of mechanical systems; and matrix eigenvalue problems. The class includes an introduction to numerical methods and using MATLAB® to solve dynamics and vibrations problems.
This version of the class stresses kinematics and builds around a strict but powerful approach to kinematic formulation which is different from the approach presented in Spring 2007. Our notation was adapted from that of Professor Kane of Stanford University.

Upon successful completion of this course, students will be able to:

Create lumped parameter models (expressed as ODEs) of simple dynamic systems in the electrical and mechanical energy domains
Make quantitative estimates of model parameters from experimental measurements
Obtain the time-domain response of linear systems to initial conditions and/or common forcing functions (specifically; impulse, step and ramp input) by both analytical and computational methods
Obtain the frequency-domain response of linear systems to sinusoidal inputs
Compensate the transient response of dynamic systems using feedback techniques
Design, implement and test an active control system to achieve a desired performance measure

Mastery of these topics will be assessed via homework, quizzes/exams, and lab assignments.

Introduction to dynamics and vibration of lumped-parameter models of mechanical systems. Three-dimensional particle kinematics. Force-momentum formulation for systems of particles and for rigid bodies (direct method). Newton-Euler equations. Work-energy (variational) formulation for systems particles and for rigid bodies (indirect method). Virtual displacements and work. Lagrange’s equations for systems of particles and for rigid bodies. Linearization of equations of motion. Linear stability analysis of mechanical systems. Free and forced vibration of linear damped lumped parameter multi-degree of freedom models of mechanical systems. Application to the design of ocean and civil engineering structures such as tension leg platforms.
This subject was originally offered in Course 13 (Department of Ocean Engineering) as 13.013J. In 2005, ocean engineering became part of Course 2 (Department of Mechanical Engineering), and this subject merged with 2.003.

An energy audit is an inspection, survey and analysis of energy flows, for energy conservation in a building, process or system to reduce the amount of energy input into the system without negatively affecting the output(s). In commercial and industrial real estate, an energy audit is the first step in identifying opportunities to reduce energy expense and carbon footprints.

UNIT I BASIC CONCEPTS AND FIRST LAW Basic concepts - concept of continuum, comparison of microscopic and macroscopic approach. Path and point functions. Intensive and extensive, total and specific quantities. System and their types. Thermodynamic Equilibrium State, path and process. Quasi-static, reversible and irreversible processes. Heat and work transfer, definition and comparison, sign convention. Displacement work and other modes of work .P-V diagram. Zeroth law of thermodynamics – concept of temperature and thermal equilibrium– relationship between temperature scales –new temperature scales. First law of thermodynamics –application to closed and open systems – steady and unsteady flow processes.UNIT II SECOND LAW AND AVAILABILITY ANALYSIS Heat Reservoir, source and sink. Heat Engine, Refrigerator, Heat pump. Statements of second law and its corollaries. Carnot cycle Reversed Carnot cycle, Performance. Clausius inequality. Concept of entropy, T-s diagram, Tds Equations, entropy change for - pure substance, ideal gases – different processes, principle of increase in entropy. Applications of II Law. High and low grade energy. Available and non-available energy of a source and finite body. Energy and irreversibility. Expressions for the energy of a closed system and open systems. Energy balance and entropy generation. Irreversibility. I and II law Efficiency.UNIT III PROPERTIES OF PURE SUBSTANCE AND STEAM POWER CYCLE Formation of steam and its thermodynamic properties, p-v, p-T, T-v, T-s, h-s diagrams. p-v-T surface. Use of Steam Table and Mollier Chart. Determination of dryness fraction. Application of I and II law for pure substances. Ideal and actual Rankine cycles, Cycle Improvement Methods - Reheat and Regenerative cycles, Economiser, preheater, Binary and Combined cycles.UNIT IV IDEAL AND REAL GASES, THERMODYNAMIC RELATIONS Properties of Ideal gas- Ideal and real gas comparison- Equations of state for ideal and real gases- Reduced properties-.Compressibility factor-.Principle of Corresponding states. –Generalised Compressibility Chart and its use-. Maxwell relations, Tds Equations, Difference and ratio of heat capacities, Energy equation, Joule-Thomson Coefficient, Clausius Clapeyron equation, Phase Change Processes. Simple Calculations.UNIT V GAS MIXTURES AND PSYCHROMETRY Mole and Mass fraction, Dalton’s and Amagat’s Law. Properties of gas mixture – Molar mass, gas constant, density, change in internal energy, enthalpy, entropy and Gibbs function. Psychrometric properties, Psychrometric charts. Property calculations of air vapour mixtures by using chart and expressions. Psychrometric process – adiabatic saturation, sensible heating and cooling,humidification, dehumidification, evaporative cooling and adiabatic mixing. Simple Applications

Environmental protection is a prerequisite for survival on this planet. This Mini Lecture explores questions of sustainability, environment, energy supply and peace. Lecture snippets of Nobel Laureates Willy Brandt, Frank Sherwood Rowland und Paul Crutzen are presented, who address these issues in their research.

This folder has pointers to open resources for Environmental Science 181 at Lane Community College. It is organized by topic, including: Intro to Environmental Science, Ecology, Biomes, Soils and Food Production, Energy Resources, Mineral Resources, Urbanization, Waste, and a separate subfolder for Activities/Labs.