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Zastosowanie Modelowania Matematycznego Do Oceny Zanieczyszczenia Powietrza Powodowanego Przez Motoryzację, Marian Mazur, Robert Oleniacz, Bożena Biernat-Oleniacz
Zastosowanie Modelowania Matematycznego Do Oceny Zanieczyszczenia Powietrza Powodowanego Przez Motoryzację, Marian Mazur, Robert Oleniacz, Bożena Biernat-Oleniacz
Robert Oleniacz
The paper presents the results of an inventory of sources of air emissions from the city of Nowy Sacz (Poland) with regard to pollutant emissions from road transport, industrial processes, combustion plants and low-emissions from household furnaces. Particular attention has been devoted to assessing the impact of traffic on air quality in the city. Specified share of emissions from motor vehicles in the state of air pollution in the city center and its outskirts using the method of the atmospheric dispersion modeling.
English title: The use of mathematical modeling to assess air pollution caused by road transport.
Energy Efficient Office Building Design For A Hot And Humid Climate: Florida's New Energy Center, Florida Solar Energy Center, Philip W. Fairey
Energy Efficient Office Building Design For A Hot And Humid Climate: Florida's New Energy Center, Florida Solar Energy Center, Philip W. Fairey
FSEC Energy Research Center®
Hot and humid climates, such as those in Florida, pose unique challenges to architects and engineers seeking energy efficient office building designs. The severe impact of internal loads on cooling, the intense solar conditions and the need for increased ventilation set against high relative humidities, all serve to limit the success of many conventional methods of reducing building energy use. To provide a high-visibility demonstration of potential energy design solutions, the Florida Solar Energy Center (FSEC) is building a state-of-the-art office complex for its new facility in Cocoa, Florida.
Surface-Related Breakdown In Silicon: Imaging Of Current Filaments In Long P+-N--N+ Structures, B. J. Hankla, P. F. Williams, G. A. Frecks, F. E. Peterkin
Surface-Related Breakdown In Silicon: Imaging Of Current Filaments In Long P+-N--N+ Structures, B. J. Hankla, P. F. Williams, G. A. Frecks, F. E. Peterkin
P. F. (Paul Frazer) Williams Publications
We present Schlieren images which show the existence and evolution of current filaments during the very early stages of surface-related breakdown inside 1 cm silicon p+-n--n+ structures. These images confirm our previous finding that breakdown occurs in the silicon rather than in the ambient, and suggest that a streamerlike mechanism may be responsible.
Methodology Evaluation For Remotely Estimating Water Quality Parameters In Estuarine Waters, Charles R. Bostater, Manuel Gimond
Methodology Evaluation For Remotely Estimating Water Quality Parameters In Estuarine Waters, Charles R. Bostater, Manuel Gimond
Ocean Engineering and Marine Sciences Faculty Publications
Water absorption signatures were measured from water samples placed in a 50 cm pathlength cylindrical cuvette. Quantitative analysis of chlorophyll-a and dissolved organic matter (DOM- humic acid, fulvic acid, or tannic acid) was conducted using second derivative spectra followed by computation of double inflection ratio (DIR) spectra for all possible combinations of bands (from 362-1 1 15 nm with 252 channels). A specially designed instrument system is described which allows measurements of absorption of particulate and dissolved organic matter (chlorophyll-a and DOM) in a water sample. The ability of the system to allow measurement of absorption signatures and relating the …
3 Pertanyaan Umum Tentang Kutil Kelamin.Doc, Denature Indonesia
3 Pertanyaan Umum Tentang Kutil Kelamin.Doc, Denature Indonesia
denature indonesia
Response Function Of A Two-Dimensional Electron Gas In A Unidirectional Periodic Potential , S. M. Stewart, C. Zhang
Response Function Of A Two-Dimensional Electron Gas In A Unidirectional Periodic Potential , S. M. Stewart, C. Zhang
Faculty of Engineering - Papers (Archive)
The dynamical density-response function of a periodically modulated two-dimensional electron gas under a perpendicular magnetic field is calculated within the random-phase approximation. It is found that the response function is not only broadened by the periodic potential, it also contains a series of subsingularities at the band edges. The maximum number of subsingularities is 2nmax, where nmax is the number of occupied Landau leveles (the last level may be partially filled). It is further proposed that light-scattering or electromagnetic absorption experiments can be performed to study these predicted structures.
Minimization Of Sum-Of-Conditional-Decoders Structures With Applications In Finite Machine Epld Design And Machine Learning, Sanof Mohamedsadakathulla
Minimization Of Sum-Of-Conditional-Decoders Structures With Applications In Finite Machine Epld Design And Machine Learning, Sanof Mohamedsadakathulla
Dissertations and Theses
In order to achieve superior speed in sequencer designs over competing PLD devices, Cypress brought to market an innovative architecture, CY7C361. This architecture introduced a new kind of universal logic gate, the CONDITION DECODER (CDEC). Because there are only 32 macrocells in the chip, saving only one CDEC gate can be quite important (the well-known "fit/no-fit problem"). A problem that is related to the fitting problem of the Cypress CY7C361 chip is the SOC Minimization. Due to the limited low number of macrocells in CY7C361, a high quality logic minimization to reduce the number of macrocells is very important. The …
Structural Characterization Of Aluminum Films Deposited On Sputtered-Titanium Nitride/ Silicon Substrate By Metalorganic Chemical Vapor Deposition From Dimethylethylamine Alane, Xiaodong Li, Byoung-Youp Kim, Shi-Woo Rhee
Structural Characterization Of Aluminum Films Deposited On Sputtered-Titanium Nitride/ Silicon Substrate By Metalorganic Chemical Vapor Deposition From Dimethylethylamine Alane, Xiaodong Li, Byoung-Youp Kim, Shi-Woo Rhee
Faculty Publications
Alfilmsdeposited on sputtered‐TiN/Si substrate by metalorganic chemical vapor deposition(MOCVD) from dimethylethylamine alane (DMEAA) were characterized using x‐ray diffraction(XRD),Auger electron spectroscopy(AES),atomic force microscopy(AFM), and transmission electron microscopy (TEM). The TiN filmsputtered on the Si has a preferred orientation along the growth direction with the 〈111〉 of the film parallel to the Si〈111〉. Sputtering of the TiN film on the Si induced strains at the interface. The TiN/Si interface is flat while the Al/TiN interface is rough. There exist many dislocations at the Al/TiN interface. The Al2O3 phase was formed at the Al/TiN interface during the early stages of …
Study On Passive And/Or Active Vibration Control For Flexible Structures, Qinghua Chen
Study On Passive And/Or Active Vibration Control For Flexible Structures, Qinghua Chen
FIU Electronic Theses and Dissertations
The purpose of this research is to present new methods of active and passive vibration control for flexible structures. The study includes: 1) passive viscoelastic damping treatment; 2 ) active vibration control using layered shape memory alloy (SMA); 3) combined application of viscoelastic damping treatment and SMA; 4) experiments.
In order to maximize damping and save weight of the structure and cost, a partially covered double sandwich cantilever beam model has been presented. It is shown that the double sandwich beam is better than single sandwich beam for some conditions. To take into account of end loads effect of elastic …
The Measured Summer Performance Of Tile Roof Systems And Attic Ventilation Strategies In Hot, Humid Climates, Florida Solar Energy Center, David Beal
The Measured Summer Performance Of Tile Roof Systems And Attic Ventilation Strategies In Hot, Humid Climates, Florida Solar Energy Center, David Beal
FSEC Energy Research Center®
During 1994, simultaneous full-scale testing of residential plywood-decked roofing system was conducted using a flexible roof facility (FRF). The facility consists of a 24-ft by 48ft rectangular building with one large conditioned space under an attic that is partitioned into six separate test cells. Throughout the test protocol one cell was configured as a residential black-shingle roof system, employed as the baseline for comparison of the alternative roofing systems.
Two identical cells were employed during the summer of 1994 to investigate soffit and ridge venting. Tests of two different configurations best illustrate the results. A comparison of a sealed attic …
Ultrasonic Nondestructive Testing Method For Evaluation Of Annular Seals, Nazli Yesiller
Ultrasonic Nondestructive Testing Method For Evaluation Of Annular Seals, Nazli Yesiller
Civil and Environmental Engineering
No abstract provided.
Using Mathematica To Aid Simulation Analysis, Paul Savory
Using Mathematica To Aid Simulation Analysis, Paul Savory
Department of Industrial and Management Systems Engineering: Faculty Publications
As computer power has increased, so has the capability of software developers to write programs that assist people with time-consuming tasks. Mathematica is such a program. The objective of this paper is to demonstrate how Mathematica, a symbolic programming environment, can be used to aid simulation analysis. In addition to a general discussion of Mathematica’s uses, advantages, and disadvantages, several examples will be presented. The examples include using Mathematica for distribution fitting, queueing analysis, random number generation, and creating a surface plot for optimization.
Acuta Enews December 1995, Vol. 24, No. 12
Acuta Enews December 1995, Vol. 24, No. 12
ACUTA Newsletters
In This Issue
From the President
Cabling for the life of your network
Planning today
FRED fights fraud
From ACUTA Headquarters
Application Of The Industrial Expert System For The Choice Of The Electric Motors Of The Cement Factory Of Meftah, Algeria (Système Expert Industriel D’Aide Au Choix Des Moteurs Asynchrones En Cimenterie), Boukhemis Chetate , Cherif Kara, M. Fenneche
Application Of The Industrial Expert System For The Choice Of The Electric Motors Of The Cement Factory Of Meftah, Algeria (Système Expert Industriel D’Aide Au Choix Des Moteurs Asynchrones En Cimenterie), Boukhemis Chetate , Cherif Kara, M. Fenneche
Boukhemis Chetate
L’industrialisation en Algérie, qui a débuté dans les années 70, a été accompagnée par un choix non rationnel des installations électriques (surdimensionnement, pertes d’exploitation supérieures aux normes internationales, etc.). Aujourd’hui les pertes du réseau algérien de transport d’électricité et les normes de consommation (KWh/unité de production) sont supérieures aux normes en vigueur dans les pays industrialisés. Pour résoudre ces problèmes, il est nécessaire d’optimiser le fonctionnement des installations existantes en faisant appel aux technologies modernes, telles que l’intelligence artificielle et les moteurs électriques asynchrones à vitesse variable. Cet article présente un exemple d’application de ces techniques à la cimenterie de …
Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic
Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic
Otto Vogl
No abstract provided.
Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams
Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams
Otto Vogl
No abstract provided.
52. Bengt Ranby, Otto Vogl
17th Conference On Senior Engineering Design Projects, College Of Engineering And Applied Sciences
17th Conference On Senior Engineering Design Projects, College Of Engineering And Applied Sciences
Senior Engineering Design Conference
The 17th Conference on Senior Engineering Design Projects was held on December 5, 1995 at the College of Engineering and applied Sciences on the Parkview Campus of Western Michigan University. The college sponsors the conference to showcase the work of its graduating seniors, who are required to complete a capstone project that puts into practice what they have learned. Many of the projects are sponsored by business and industry.
Transients In Power Systems, M. Belkhayat, J. Edwards, N. Hoonchareon, O. Marte, D. Stenberg, E. Walters
Transients In Power Systems, M. Belkhayat, J. Edwards, N. Hoonchareon, O. Marte, D. Stenberg, E. Walters
Department of Electrical and Computer Engineering Technical Reports
Power system engineering largely focuses on steady state analysis. The main areas of power system engineering are power flow studies and fault studies - both steady state technologies. But the world is largely transient, and power systems are always subject to time varying and short lived signals. This technical report concerns several important topics in transient analyses of power systems. The leading chapter deals with a new analytical tool-wavelets-for power system transients. Flicker and electric are furnace transients are discussed in Chapters I1 and IV. Chapter 111 deals with transients from shunt capacitor switching. The concluding chapters deal with transformer …
Geostatistical Analysis Of Hydraulic Conductivity In Heterogeneous Aquifers, Craig S. Biondo
Geostatistical Analysis Of Hydraulic Conductivity In Heterogeneous Aquifers, Craig S. Biondo
Theses and Dissertations
Observations of the spatial variability of hydraulic conductivity of the heterogeneous alluvial aquifer at Columbus Air Force Base in Mississippi are analyzed using parametric geostatistical approaches. Field studies have revealed that the heterogeneity of the aquifer hydraulic conductivity field controls the movement and dispersion of groundwater solutes. Therefore, a means of quantifying spatial variability is essential for the application of flow and solute transport models to practical problems. Application of these models requires a large number of hydraulic conductivity measurements. Geostatistical analysis and kriging estimation procedures assist in providing these large numbers of values when sampling designs have provided sparse …
An Interferometric Technique For B/A Measurement, E. Carr Everbach, R. E. Apfel
An Interferometric Technique For B/A Measurement, E. Carr Everbach, R. E. Apfel
Engineering Faculty Works
An isentropic phase method is described for measuringin vitro the acoustic nonlinearity parameterB/A of several aqueous buffers, protein solutions, lipid oils, and emulsions. The technique relies upon the use of an acoustic interferometer to measure the small changes in sound speed that accompany a rapid hydrostaticpressure change of between one and two atmospheres. Average accuracies of 0.85% are attainable with this method.
A Finite Element Analysis Of The Forward Rod Extrusion Process With An Emphasis On Die Profile Optimization, Mahmoud Mohamed Nagui Shatla
A Finite Element Analysis Of The Forward Rod Extrusion Process With An Emphasis On Die Profile Optimization, Mahmoud Mohamed Nagui Shatla
Archived Theses and Dissertations
No abstract provided.
Application Of Pulse Calorimetry To Metal Systems, Debasis Basak
Application Of Pulse Calorimetry To Metal Systems, Debasis Basak
Doctoral Dissertations
The pulse calorimeter developed as a part of the author's masters thesis was used extensively in the doctoral research to determine the electrical resistivity and specific heat of Ni, Ni4Mo, Fe-A1 alloys and Ni-A1. The temperature range of measurements varied with different specimens but in general were between 375 K to 1300 K.
The pulse calorimeter essentially consists of a specimen in series with a standard resistor and a programmable power supply. The specimen is inside a vacuum chamber. The programmable power supply can be triggered from the computer to send a specific current to the specimen for …
Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group
Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group
CCFSS Library (1939 - present)
No abstract provided.
Calibration And Measurement Of Dielectric Properties Of Finite Thickness Composite Sheets With Open-Ended Coaxial Sensors, Stoyan I. Ganchev, Nasser N. Qaddoumi, Sasan Bakhtiari, R. Zoughi
Calibration And Measurement Of Dielectric Properties Of Finite Thickness Composite Sheets With Open-Ended Coaxial Sensors, Stoyan I. Ganchev, Nasser N. Qaddoumi, Sasan Bakhtiari, R. Zoughi
Electrical and Computer Engineering Faculty Research & Creative Works
The application of open-ended coaxial sensors for dielectric measurement of finite thickness composite sheets is studied. Expressions for calculation of the complex aperture admittance for two geometries are presented. These expressions are used to calculate the dielectric constant of infinite half-space as well as finite thickness slabs. A more efficient method of such calculations, using a personal computer, for low to medium loss dielectrics is demonstrated. The question of when a dielectric layer may be considered as infinitely thick is also addressed, and examples are presented. A different calibration technique (compared to the conventional ones) is described and successfully implemented. …
The Effect Of Excitation Limits On Voltage Stability, Jyothi Ayyagari, Mariesa Crow
The Effect Of Excitation Limits On Voltage Stability, Jyothi Ayyagari, Mariesa Crow
Electrical and Computer Engineering Faculty Research & Creative Works
Voltage collapse has been commonly associated with insufficient reactive power support. Steady state studies have related reactive power generation limitations to the sudden onset of voltage instability. This paper extends this approach to the dynamic case. The relationship between the dynamic models and steady state behavior is established. The dynamic model is then used to investigate the sudden change in system stability when the maximum excitation limit is reached. Several illustrative examples are analyzed. Corrective actions are proposed which will move the physical system away from the region of instability.
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 11, Number 10, December 1995, College Of Engineering And Computer Science, Wright State University
Wright State University College Of Engineering And Computer Science Bits And Pcs Newsletter, Volume 11, Number 10, December 1995, College Of Engineering And Computer Science, Wright State University
BITs and PCs Newsletter
A twelve page newsletter created by the Wright State University College of Engineering and Computer Science that addresses the current affairs of the college.
A Massively Parallel Computation Strategy For Fdtd: Time And Space Parallelism Applied To Electromagnetics Problems, Michael A. Jensen, Amir Fijany, Yahya Rahmat-Samii, Jacob Barhen
A Massively Parallel Computation Strategy For Fdtd: Time And Space Parallelism Applied To Electromagnetics Problems, Michael A. Jensen, Amir Fijany, Yahya Rahmat-Samii, Jacob Barhen
Faculty Publications
We present a novel strategy for incorporating massive parallelism into the solution of Maxwell's equations using finite-difference time-domain methods. In a departure from previous techniques wherein spatial parallelism is used, our approach exploits massive temporal parallelism by computing all of the time steps in parallel. Furthermore, in contrast to other methods which appear to concentrate on explicit schemes such as Yee's (1966) algorithm, our strategy uses the implicit Crank-Nicolson technique which provides superior numerical properties. We show that the use of temporal parallelism results in algorithms which offer a massive degree of coarse grain parallelism with minimum communication and synchronization …
Personality As It Relates To Performance Among Primary Flight Students At Embry-Riddle Aeronautical University, Caroline F. Farmer
Personality As It Relates To Performance Among Primary Flight Students At Embry-Riddle Aeronautical University, Caroline F. Farmer
Master's Theses - Daytona Beach
The purpose of this study was to evaluate the relationship of primary flight students' performance as it relates to personality. Previous research has provided the basis for the relationship between what an individual accomplishes and personality traits. The individual performance of 30 students were evaluated by two different techniques during an observer flight. One was an evaluation form developed by the researcher and the other, the flight instructor's (P.I.C.) evaluation. The performance data gathered by the researcher was collected in order to provide a secondary set of performance data in case there was no discriminability amongst the flight instructor's evaluation. …
Compressible Flow Analysis Of Thrust Augmenting Ejectors, Mohamed Moujahid
Compressible Flow Analysis Of Thrust Augmenting Ejectors, Mohamed Moujahid
Master's Theses - Daytona Beach
The present work was initiated due to the need for a method to understand and predict the thrust augmenting characteristics of jet ejectors. The mixing process in ejectors can be analyzed using either the control volume approach, or detailed models based on the Navier -Stokes Equations and the theory of turbulent jets. The control volume approach uses integrated forms of the conservation equations of mass, momentum and energy. It is chosen in the first part of the study since it affords the best vehicle for the parametric studies required to understand the potential of ejectors for a given application. Compressibility …