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Articles 18091 - 18120 of 21795
Full-Text Articles in Engineering
The Opec Oil-Pricing Policies, Vaman Rao
The Opec Oil-Pricing Policies, Vaman Rao
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The capital-theoretic model suggested for determining the price- quantity combinations does not hold in the case of most natural resources, including petroleum, since the inelastic demand function would vitiate the optimal solution. The specification of a dynamic demand function, with necessary, attributes, no doubt, results in a valid optimal solution in period t, but that could be achieved only at the cost of sub-optimal solution in other periods. If the OPEC starts behaving as a discriminating monopoly, instead of as a pure monopoly, the optimal solution is assured in all markets and in all time periods.
Theoretical And Empirical Approaches To The Analysis Of Opec, Albert L. Danielsen
Theoretical And Empirical Approaches To The Analysis Of Opec, Albert L. Danielsen
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Formal theoretical models of world oil price determination have been developed in recent years. In addition, some empirical estimates of expected future prices have been proposed. This paper explains how exhaustible resource and cartel theory are integrated into the opitmal control framework. Some empirical studies in the optimal control tradition are surveyed and evaluated.
Manufacturers' Responses To Fuel Supply Problems, Evelyn R. Rosenthal
Manufacturers' Responses To Fuel Supply Problems, Evelyn R. Rosenthal
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The progress of energy conservation in industry was investigated with the aim of identifying barriers to strong energy conservation efforts. One of these barriers proved to be fuel supply problems as exemplified by the natural gas shortage of 1976-77.
Dilemmas In Decision-Making Towards The Resolution Of The Energy Crisis, Rao J. Tatikonda, Mark R. Bomball, Lakshmi U. Tatikonda
Dilemmas In Decision-Making Towards The Resolution Of The Energy Crisis, Rao J. Tatikonda, Mark R. Bomball, Lakshmi U. Tatikonda
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This paper discusses various solution approaches to solve our aggravating energy problem. It presents various dilemmas faced by the energy policy-makers of the United States, for each of the solution approaches. The factors involved are economic, environmental, technological, sociological, psychological, ethical, political,institutional, international, regulatory, managerial, futuristic, and systems-oriented. An approach to help the Congress and the President to formulate and implement an effective National Energy Plan is discussed.
Energy Conservation In Buildings -- The Missouri Plan, Jack Whittier, Bill Jurkiewicz, Weston Fisher
Energy Conservation In Buildings -- The Missouri Plan, Jack Whittier, Bill Jurkiewicz, Weston Fisher
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
In 1974, approximately 23 percent (256.5 trillion Btu's) of Missouri energy was consumed in the residential sector. In 1980, this figure is projected to be 246.6 trillion Btu's (21 percent) (ref. 1). The reduction reflects already implemented conservation activities and the increased use of electric heating at higher end point efficiency. Estimates suggest that energy savings of nearly 50 percent could be achieved in this sector, primarily by upgrading the thermal efficiency of building structures and changing user behavior patterns. This given potential, the reduction of energy consumption in this sector has become a major target of the Missouri Energy …
Attainability And Nonattainability Under Anti-Pollution Laws, J. David Reed, John H. Hoag
Attainability And Nonattainability Under Anti-Pollution Laws, J. David Reed, John H. Hoag
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The central issue with which this paper deals is the effectiveness of alternative air pollution control standards presently in use in the United States. More specifically, an analysis and comparison of effluent air standards versus ambient air standards will be performed. The question of effectiveness will be in the context of how well the alternative pollution control measures achieve society's expectations as goals when the standards are imposed. Society's views are assumed to be reflected through a regional (state) planner. The analysis is performed through the use of optimal control techniques. Initially the effluent air standards model will be examined. …
The Energy Needs Of The Developing Countries, Vaman Rao
The Energy Needs Of The Developing Countries, Vaman Rao
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The energy needs of the developing countries are enormous. They will grow with the passage of time as the pace of economic development accelerates and those countries enter the industrial epoch. The sheer physical non-availability of coal and petroleum to most of them makes it obligatory to choose an unconventional resource as an energy-base. The nuclear fission is the only option now available which is feasible, less-expensive and plentiful. Solar and fusion may be the ultimate sources in the steady state, when appropriate technologies are developed.
Overview And Impact Of Ashrae Standard 90 -- An Energy Standard For New Buildings, Edward A. Kriege
Overview And Impact Of Ashrae Standard 90 -- An Energy Standard For New Buildings, Edward A. Kriege
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This talk is an introduction to ASHRAE Standard 90. It is a brief review of the purpose, history, content and inpact of the document.
Quantification Of Energy Resource Consumption, William J. Coad
Quantification Of Energy Resource Consumption, William J. Coad
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This paper addresses the fundamental issue of energy conservation in exploring the question - what is to be conserved? Following a brief chronology of the situation leading to the present day concerns regarding the energy intensity of our economy, the role of the engineering community is addressing solutions is discussed. The conclusion developed is that the engineering disciplines must assume the lead in channeling energy conservation efforts toward the salient goal of reducing excessive use of energy resource matter.
The Political Economy Of Opec, Loring Allen
The Political Economy Of Opec, Loring Allen
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The Organization of Petroleum Exporting Countries (OPEC) is a part of the hard reality of the present and future energy position of the U. S. It burst upon the world scene in 1973 in response to long years of shabby treatment by the oil companies and oil-importing countries. Through cooperation in the exercise of their sovereignty over oil deposits, OPEC members have extracted increasing revenues through restricting production and raising price. Although serving its own interests, OPEC benefits also the rest of the world, even though its presence portends a shift in the world balance of power.
Solar Heated Animal Shelters, Joan M. Wood
Solar Heated Animal Shelters, Joan M. Wood
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Modern day agricultural methods have made todays farmers dependent upon fossil fuels to maintain their productivity. This paper addresses one aspect of the problem -- the heating of animal shelters. In particular, the solar heating of a broiler grow-out house, where temperatures of up to 95°F must be maintained, is discussed.
A detailed analysis of a solar heated broiler grow-out house that has been operating for over a year will be presented. The solar system provided 47% of the heat required to grow 22,000 chickens. The system utilizes a 3,200 ft.2 integrated rock absorption and storage collector. An economic analysis …
Countdown For Energy Research, Development And Demonstration In America, Tom Day
Countdown For Energy Research, Development And Demonstration In America, Tom Day
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The energy research business is rapidly developing an appreciation of time elements which indicate that in order for "a system” to compete with the big five prime fuels for the generation of electric energy, 1982 is going to be a critical year whereby RD & D efforts must provide on-line results.
A Small Horizontal Axis Wind Turbine Feeding Power Into The Utility Grid, G. C. Thomann, M. Jong, M. H. Snyder
A Small Horizontal Axis Wind Turbine Feeding Power Into The Utility Grid, G. C. Thomann, M. Jong, M. H. Snyder
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
A small horizontal axis wind turbine, with about a 2 kW power output, was constructed to convert wind energy into AC power to be fed into the utility grid. The machine is intended to model operation of the larger wind generators now being built. The variable pitch rotor is 18 ft in diameter and has a GA(W)-1 blade airfoil. The rotor is fabricated from sitka spruce mounted on a commercial propeller/hub system. Rotor speeds of from 75 to 150 rpm are used in operation. A chain drive and helical gear drive system steps up rotor speed to 1800 - 3600 …
Airfoil Data For Use Of Wind Turbine Designers, Melvin H. Snyder
Airfoil Data For Use Of Wind Turbine Designers, Melvin H. Snyder
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This paper reviews design procedures for wind-axis turbine rotors. An "on-design" routine for rotor blade design is presented as well as an "off-design" performance calculation program. Resulting from this review are analyses of desirable characteristics of airfoil sections and of types of data which rotor designers need. Included in the paper are airfoil characteristics for candidate blade sections including 360 degree data for GA(W)-1 and GA(W)-2 airfoils.
Economics And Net Energy Analysis: Is A New Analytical Technique Needed For Energy Decision Making?, William J. Kruvant
Economics And Net Energy Analysis: Is A New Analytical Technique Needed For Energy Decision Making?, William J. Kruvant
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The paper attempts to evaluate the claims of Net Energy Analysis (NEA) against those of economics in a reasonably comprehensive way. The principal problems of NEA concern system boundaries, aggregation across fuels, valuing external effects, valuing human labor and valuing time. These problems seriously limit the contribution Net Energy Analysis can make to allocation decisions, and allocation Is the central problem of energy policy.
Volunteers In Energy Conservation -- Potential And Problems, Clayton L. Smith
Volunteers In Energy Conservation -- Potential And Problems, Clayton L. Smith
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The social and political implications of the energy crisis, while complex in nature and understanding, seem to urgently proclaim that the time for action is now. This paper is based on the premise that individual responsibility is essential. The people must act. Political decisions must be made. The people must debate what social climates are to be promoted and by what new energy systems. The key to solving the energy crisis is America's people, and particularly with its youth. With people come the potential and of course, the problems. The approach of this paper will be threefold.
An Overview Of Potential Impacts Of Changing Petroleum Energy Prices On Grain Farms, Jean-Paul Chavas, James B. Kliebenstein
An Overview Of Potential Impacts Of Changing Petroleum Energy Prices On Grain Farms, Jean-Paul Chavas, James B. Kliebenstein
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Since the early 1970s world fossil fuel energy prices have risen dramatically. Assuming there is no significant breakthrough in en- ergy technology, the world will see further increases in energy prices. These changes will likely lead to economic adjustments in U. S. agriculture. A firm level linear programming model is used to evaluate what some of these adjustments could be on a Missouri grain farm. To obtain expected energy price affects on production mixes, energy prices are changed parametrically. Potential crop adjustments are from corn to single-crop soybeans to wheat as energy prices increase. Fertilization adjustments are from chemical to …
The Impact Of Changing Net Returns On Minimum Energy Requirements For Grain Farms, James B. Kliebenstein, Robert M. Finley, Douglas C. Farthing
The Impact Of Changing Net Returns On Minimum Energy Requirements For Grain Farms, James B. Kliebenstein, Robert M. Finley, Douglas C. Farthing
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
With sources of energy more restricted and higher priced, optimal combinations of enterprises must logically be considered on the basis of energy efficiency. One method of ascertaining this efficiency is to optimize solutions for given levels of income on the basis of energy used (e.g., the objective function was in terms of energy kilocalories). In general, soybeans were most feasible at lower levels of income regardless of farm size and labor circumstance. As income levels increased, double-cropping (wheat soybeans) was first substituted and finally corn at highest income levels.
Low Head Power Generation With Bulb Turbines, J. L. Carson, R. S. Samuelson
Low Head Power Generation With Bulb Turbines, J. L. Carson, R. S. Samuelson
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Because of uncertainties, delays, and high costs associated with alternative electric energy sources, many agencies responsible for generation of electrical power are investigating means of replacing or supplementing their existing hydroelectric facilities. In the head range between 10 and 60 feet, the bulb-type generating unit, in which the generator is enclosed in a metal capsule within the water passage, has many advantages, including higher efficiency and lower cost, over other types of turbines. Two of the municipalities in the United States which have recently conducted feasibility studies for installing bulb turbines in their systems are the City of Idaho Falls, …
4th Annual Umr-Dnr Conference On Energy -- Entire Proceedings, University Of Missouri--Rolla
4th Annual Umr-Dnr Conference On Energy -- Entire Proceedings, University Of Missouri--Rolla
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
No abstract provided.
Large And Small Applications Of Energy Farming, Oliver C. Sitton, E. A. Kobylinski, J. L. Gaddy
Large And Small Applications Of Energy Farming, Oliver C. Sitton, E. A. Kobylinski, J. L. Gaddy
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The collection of solar energy by photosynthesis and the subsequent conversion of crop matter to natural gas can be practiced in farm scale applications or very large installations. This paper discusses the design and economics of these systems.
Attitudes Towards Quality In The Design And Construction Of Nuclear Power Plants, Daniel L. Babcock, Larry G. Harmon
Attitudes Towards Quality In The Design And Construction Of Nuclear Power Plants, Daniel L. Babcock, Larry G. Harmon
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Adequate regulation of construction (and operation) of nuclear power plants has become a matter of growing national concern. Published statements by individuals speaking from two viewpoints, those of the regulatory agencies and the nuclear power industry, suggest divergent attitudes. Nineteen statements from these two points of view were evaluated for agreement or disagreement by 38 knowledgeable persons from both industry and government (of 50 solicited in a mail survey). Survey results showed a general appreciation of the need for some level of regulation and also for the possibility of over-regulation. Differences existed within as well as between the two groups, …
Improving Energy Efficiency By Federal Regulation, Barry Hyman, Burns E. Hegler
Improving Energy Efficiency By Federal Regulation, Barry Hyman, Burns E. Hegler
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
This paper examines the scope and nature of federal activities devoted to improving the efficiency of energy utilization in buildings, consumer products, motor vehicles, and industrial processes and equipment. Several forms of regulation are identified and their characteristics are explored. It is postulated that consistency of an overall policy of energy efficiency regulation can be ascertained from the examination of a regulatory policy matrix.
Heat Recovery Devices For Building Hvac Systems, Ronald H. Howell, Harry J. Sauer Jr.
Heat Recovery Devices For Building Hvac Systems, Ronald H. Howell, Harry J. Sauer Jr.
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The opportunities and advantages of air-to-air heat recovery are described. The five basic types (rotary regenerative, coil loop run around, open run-around, heat pipe, and plate type) are described and their typical performance is presented. The potential savings in operating costs as well as initial equipment costs for common applications are presented.
The Operator’S Guide For Minimizing Energy Costs, Charles Dare, Frank A. Gerig
The Operator’S Guide For Minimizing Energy Costs, Charles Dare, Frank A. Gerig
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The consumption of petroleum by transportation activities is increasing despite the finite limits on its supply. This paper concentrates on the motor vehicle driver, his driving habits, and guides to reduced fuel consumption which would enable the individual to curtail wasteful practices with respect to vehicle operation.
Reducing Electrical Power Demand For Industries, Burns E. Hegler, J. Byron Nelson, Rene O. Harrell
Reducing Electrical Power Demand For Industries, Burns E. Hegler, J. Byron Nelson, Rene O. Harrell
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
A typical industry has an electric power demand that is in excess of its needs. This condition places an unnecessary burden upon the industry and contributes to the current energy crisis. Reduction of demand may be accomplished by a number of methods of control that are examined and evaluated. Standard techniques of engineering analyses and engineering economy have been used to study and analyze an industry selected as an example.
The National Program For Solar Energy, Keith Davidson, Richard J. Gariboldi, John J. Purcell
The National Program For Solar Energy, Keith Davidson, Richard J. Gariboldi, John J. Purcell
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
On October 26, 1974, the Solar Energy Research Development and Demonstration Act was signed into law authorizing a vigorous federal program of research development and demonstration to establish solar energy as a viable energy resource. Solar heating and cooling of buildings represents a midterm help in an attempt to be less dependent on oil and natural gas. Many other solar programs are underway in the development of solar energy.
A Systems Study Of Our Energy Problems, S. C. Lee
A Systems Study Of Our Energy Problems, S. C. Lee
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
The diminishing supply of petroleum and natural gas has induced many concerned citizens as well as many interest groups to study energy problems. Based on different sources of information and various degrees of economical consideration, conflicting conclusions have been reached. To help resolve this situation, a systems study was conducted. The available statistics on the supply and demand of energy were examined. The resources of nuclear energy, fossil fuel, and renewable energy sources were analyzed. Considerations were weighted equally on energy content, resource availability, existing technology, and consumer economics as well as on the impact of ecology and sociology. The …
Comparison Of Nuclear And Coal Power Plants Using Net Energy Analysis, Nicholas Tsoulfanidis, Gazendra Suwal
Comparison Of Nuclear And Coal Power Plants Using Net Energy Analysis, Nicholas Tsoulfanidis, Gazendra Suwal
UMR-MEC Conference on Energy / UMR-DNR Conference on Energy
Net Energy Analysis has been used to compare coal and nuclear power plants. Net Energy Analysis is a method by which a system is studied in terms of the energy needed to construct and operate every unit or item associated with that system, its effects to the environment and the energy produced by the system. The results of the comparison are expressed as the ratio of the total energy output divided by the total energy input.
Evaluation Of Organic Additives For Use In Zinc Electrowinning, R. C. Kerby, H. E. Jackson, Thomas J. O'Keefe, Yar Ming Wang
Evaluation Of Organic Additives For Use In Zinc Electrowinning, R. C. Kerby, H. E. Jackson, Thomas J. O'Keefe, Yar Ming Wang
Materials Science and Engineering Faculty Research & Creative Works
Organic additives are used extensively in zinc electrowinning to assist in controlling the process. A cyclic voltammetry technique has been developed to provide a rapid, quantitative evaluation of the effectiveness of selected organic additives in minimizing the deleterious effects that impurities, such as antimony, have on zinc deposition. Results have indicated that animal glues are more effective than the other organic additives tested, which included several gums, enzymes, and amino acids, in relation to the current efficiency of zinc production. Of the various animal glues compared in this research, the most effective appeared to have average molecular weights in the …