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An Approach To The Validation Of Road Traffic Noise Models
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Book Synopsis An Approach to the Validation of Road Traffic Noise Models by : Neil Huybregts
Download or read book An Approach to the Validation of Road Traffic Noise Models written by Neil Huybregts and published by . This book was released on 2002 with total page 51 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is a guide to the preparation and assessment of validation studies of noise prediction models. Organisations wishing to assess the accuracy of a trafic noise prediction model will find this document useful in developing the study methodology, reporting the results of the study and assessing the acceptability of results.
Book Synopsis Calculation of Road Traffic Noise by : Great Britain. Department of Transport
Download or read book Calculation of Road Traffic Noise written by Great Britain. Department of Transport and published by . This book was released on 1988 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supersedes 1975 edition (ISBN 011553676)
Book Synopsis Environmental Noise Pollution by : Enda Murphy
Download or read book Environmental Noise Pollution written by Enda Murphy and published by Newnes. This book was released on 2014-04-21 with total page 283 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Noise Pollution: Noise Mapping, Public Health and Policy addresses the key debates surrounding environmental noise pollution with a particular focus on the European Union. Environmental noise pollution is an emerging public policy and environmental concern and is considered to be one of the most important environmental stressors affecting public health throughout the world. This book examines environmental noise pollution, its health implications, the role of strategic noise mapping for problem assessment, major sources of environmental noise pollution, noise mitigation approaches, and related procedural and policy implications. Drawing on the authors' considerable research expertise in the area, the book is the first coherent work on this major environmental stressor, a new benchmark reference across disciplinary, policy and national boundaries. Highlights recent developments in the policy arena with particular focus on developments in the EU within the context of the European Noise Directive Explores the lessons emerging from nations within the EU and other jurisdictions attempting to legislate and mitigate against the harmful effects of noise pollution Covers the core theoretical concepts and principles surrounding the mechanics of noise pollution as well as the evidence-base linking noise with public health concerns
Download or read book Road & Transport Research written by and published by . This book was released on 2002 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic Simulation and Data by : Winnie Daamen
Download or read book Traffic Simulation and Data written by Winnie Daamen and published by CRC Press. This book was released on 2014-09-17 with total page 261 pages. Available in PDF, EPUB and Kindle. Book excerpt: A single source of information for researchers and professionals, Traffic Simulation and Data: Validation Methods and Applications offers a complete overview of traffic data collection, state estimation, calibration and validation for traffic modelling and simulation. It derives from the Multitude Project-a European Cost Action project that incorpo
Book Synopsis Predicting Road Traffic Noise by : Building Research Establishment
Download or read book Predicting Road Traffic Noise written by Building Research Establishment and published by . This book was released on 1976 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Use of Computer Models to Predict Road Traffic Noise by : Yves Louis Jacques Tanguy
Download or read book Use of Computer Models to Predict Road Traffic Noise written by Yves Louis Jacques Tanguy and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Nikolaos Tsanakas Publisher :Linköping University Electronic Press ISBN 13 :9176850927 Total Pages :131 pages Book Rating :4.1/5 (768 download)
Book Synopsis Emission estimation based on traffic models and measurements by : Nikolaos Tsanakas
Download or read book Emission estimation based on traffic models and measurements written by Nikolaos Tsanakas and published by Linköping University Electronic Press. This book was released on 2019-04-24 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic congestion increases travel times, but also results in higher energy usage and vehicular emissions. To evaluate the impact of traffic emissions on environment and human health, the accurate estimation of their rates and location is required. Traffic emission models can be used for estimating emissions, providing emission factors in grams per vehicle and kilometre. Emission factors are defined for specific traffic situations, and traffic data is necessary in order to determine these traffic situations along a traffic network. The required traffic data, which consists of average speed and flow, can be obtained either from traffic models or sensor measurements. In large urban areas, the collection of cross-sectional data from stationary sensors is a costefficient method of deriving traffic data for emission modelling. However, the traditional approaches of extrapolating this data in time and space may not accurately capture the variations of the traffic variables when congestion is high, affecting the emission estimation. Static transportation planning models, commonly used for the evaluation of infrastructure investments and policy changes, constitute an alternative efficient method of estimating the traffic data. Nevertheless, their static nature may result in an inaccurate estimation of dynamic traffic variables, such as the location of congestion, having a direct impact on emission estimation. Congestion is strongly correlated with increased emission rates, and since emissions have location specific effects, the location of congestion becomes a crucial aspect. Therefore, the derivation of traffic data for emission modelling usually relies on the simplified, traditional approaches. The aim of this thesis is to identify, quantify and finally reduce the potential errors that these traditional approaches introduce in an emission estimation analysis. According to our main findings, traditional approaches may be sufficient for analysing pollutants with global effects such as CO2, or for large-scale emission modelling applications such as emission inventories. However, for more temporally and spatially sensitive applications, such as dispersion and exposure modelling, a more detailed approach is needed. In case of cross-sectional measurements, we suggest and evaluate the use of a more detailed, but computationally more expensive, data extrapolation approach. Additionally, considering the inabilities of static models, we propose and evaluate the post-processing of their results, by applying quasi-dynamic network loading.
Book Synopsis Traffic Flow Dynamics by : Martin Treiber
Download or read book Traffic Flow Dynamics written by Martin Treiber and published by Springer Science & Business Media. This book was released on 2012-10-11 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a comprehensive and instructive coverage of vehicular traffic flow dynamics and modeling. It makes this fascinating interdisciplinary topic, which to date was only documented in parts by specialized monographs, accessible to a broad readership. Numerous figures and problems with solutions help the reader to quickly understand and practice the presented concepts. This book is targeted at students of physics and traffic engineering and, more generally, also at students and professionals in computer science, mathematics, and interdisciplinary topics. It also offers material for project work in programming and simulation at college and university level. The main part, after presenting different categories of traffic data, is devoted to a mathematical description of the dynamics of traffic flow, covering macroscopic models which describe traffic in terms of density, as well as microscopic many-particle models in which each particle corresponds to a vehicle and its driver. Focus chapters on traffic instabilities and model calibration/validation present these topics in a novel and systematic way. Finally, the theoretical framework is shown at work in selected applications such as traffic-state and travel-time estimation, intelligent transportation systems, traffic operations management, and a detailed physics-based model for fuel consumption and emissions.
Book Synopsis Night Noise Guidelines for Europe by : Charlotte Hurtley
Download or read book Night Noise Guidelines for Europe written by Charlotte Hurtley and published by WHO Regional Office Europe. This book was released on 2009 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: The WHO Regional Office for Europe set up a working group of experts to provide scientific advice to the Member States for the development of future legislation and policy action in the area of assessment and control of night noise exposure. The working group reviewed available scientific evidence on the health effects of night noise, and derived health-based guideline values. In December 2006, the working group and stakeholders from industry, government and nongovernmental organizations reviewed and reached general agreement on the guideline values and key texts for the final document of the "Night noise guidelines for Europe". Considering the scientific evidence on the thresholds of night noise exposure indicated by "Lnight,outside" [L suffix night,outside] as defined in the Environmental Noise Directive (2002/49/EC), an Lnight, outside of 40 dB should be the target of the night noise guideline (NNG) to protect the public, including the most vulnerable groups such as children, the chronically ill and the elderly. "Lnight,outside" value of 55 dB is recommended as an interim target for the countries where the NNG cannot be achieved in the short term for various reasons, and where policy-makers choose to adopt a stepwise approach. These guidelines are applicable to the Member States of the European Region, and may be considered as an extension to, as well as an update of, the previous WHO "Guidelines for community noise" (1999). [Ed.]
Book Synopsis Development of Experimental and Modelling Approaches to Characterize Noise Reduction Capability of Porous Materials by : Kai Huang
Download or read book Development of Experimental and Modelling Approaches to Characterize Noise Reduction Capability of Porous Materials written by Kai Huang and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Porous materials have been recognized as effective materials for noise reduction and noise control. It is also recognized that numerous inherent and external factors may affect the noise reduction properties of porous materials. The research of this dissertation aims to develop innovative experimental and modelling approaches to analyze the noise reduction capability of porous materials under different conditions and to study the main factors affecting the noise reduction capability of porous materials. The impact of material age on noise reduction properties of porous materials is first studied, and a Nested Ensemble Filtering (NEF) approach is proposed for parameter estimation and uncertainty quantification in traffic noise emission from porous pavements. The proposed NEF method improves upon the ensemble Kalman filter (EnKF) method by incorporating sample importance resampling (SIR) procedures into the EnKF update process. Applying the proposed NEF method to traffic noise prediction on the Trans-Canada Highway in the City of Regina, the results indicate: (a) the NEF method provides accurate parameter estimation in the traffic noise prediction model; (b) the uncertainty in the traffic noise model can be significantly reduced and quantified through the proposed NEF approach; and (c) the unit noise emission for new porous pavement is significantly decreased in comparison with that of old pavement considered, regardless of the impacts of uncertainties. In addition to porous material age, air density within pore structures also impacts acoustic properties of porous materials. Consequently, a series of experimental investigations are conducted to investigate the effects of different levels of vacuum on the sound reduction and acoustic properties of porous materials. An innovative experiment would be designed to measure acoustic responses, such as sound intensities and corresponding frequencies, for various porous materials under different vacuum levels. The results indicate that applying even relatively low vacuum levels to porous materials has a significant effect on sound reduction. The sound absorption coefficients for various porous materials under different vacuum levels are further characterized through the statistical energy analysis (SEA) approach. It is anticipated that the research findings in this research may lead to the construction of effective sound reducing products for attenuating noise, increasing insertion loss or improving sound insulation. In order to comprehensively evaluate the applicability of porous-structured noise control (PSNC) measures, a systematic evaluation framework is to be proposed to identify the most appropriate PSNC options under consideration of both internal and external factors. Such a framework is based on an inexact fuzzy integer chance constraint programming (IFICCP) approach to integrate the acoustic properties of each measure (i.e. reduction rate), unit cost, installation location and environmental tolerance into a general framework. Also, the IFICCP method can handle uncertainties expressed as fuzzy and interval numbers in the noise control system established with various porous materials. A number of decision alternatives have been obtained for each acceptable noise level and analyzed under various fuzzy confidence levels. They can potentially reflect complex tradeoffs among cost and properties of porous materials, location, and environmental considerations, and further provide decision support to find the most desirable porous materials for noise reduction.
Book Synopsis Effects of Noise on People by : James David Miller
Download or read book Effects of Noise on People written by James David Miller and published by . This book was released on 1971 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Academy of Engineering Publisher :National Academies Press ISBN 13 :0309156327 Total Pages :210 pages Book Rating :4.3/5 (91 download)
Book Synopsis Technology for a Quieter America by : National Academy of Engineering
Download or read book Technology for a Quieter America written by National Academy of Engineering and published by National Academies Press. This book was released on 2010-10-30 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exposure to noise at home, at work, while traveling, and during leisure activities is a fact of life for all Americans. At times noise can be loud enough to damage hearing, and at lower levels it can disrupt normal living, affect sleep patterns, affect our ability to concentrate at work, interfere with outdoor recreational activities, and, in some cases, interfere with communications and even cause accidents. Clearly, exposure to excessive noise can affect our quality of life. As the population of the United States and, indeed, the world increases and developing countries become more industrialized, problems of noise are likely to become more pervasive and lower the quality of life for everyone. Efforts to manage noise exposures, to design quieter buildings, products, equipment, and transportation vehicles, and to provide a regulatory environment that facilitates adequate, cost-effective, sustainable noise controls require our immediate attention. Technology for a Quieter America looks at the most commonly identified sources of noise, how they are characterized, and efforts that have been made to reduce noise emissions and experiences. The book also reviews the standards and regulations that govern noise levels and the federal, state, and local agencies that regulate noise for the benefit, safety, and wellness of society at large. In addition, it presents the cost-benefit trade-offs between efforts to mitigate noise and the improvements they achieve, information sources available to the public on the dimensions of noise problems and their mitigation, and the need to educate professionals who can deal with these issues. Noise emissions are an issue in industry, in communities, in buildings, and during leisure activities. As such, Technology for a Quieter America will appeal to a wide range of stakeholders: the engineering community; the public; government at the federal, state, and local levels; private industry; labor unions; and nonprofit organizations. Implementation of the recommendations in Technology for a Quieter America will result in reduction of the noise levels to which Americans are exposed and will improve the ability of American industry to compete in world markets paying increasing attention to the noise emissions of products.
Book Synopsis Predicting Outdoor Sound by : Keith Attenborough
Download or read book Predicting Outdoor Sound written by Keith Attenborough and published by CRC Press. This book was released on 2021-03-03 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Predicting Outdoor Sound is an up-to-date reference on the propagation of sound close to the ground and its prediction. New content includes comparisons between predictions and data for road traffic, railway and wind turbine noise; descriptions of source characteristics in the HARMONOISE model; propagation over rough seas, parallel low walls, and lattices; outlines of numerical methods; gabion (caged stones) and sonic crystal noise barriers; meteorological effects on noise barrier performance; and the prediction requirements for auralization. The book brings together relevant theories, prediction schemes, and data, thereby providing a basis for determining what model or scheme might be applicable for any situation. It also offers a background on useful analytical approximations and the restrictions, as well as difficulties and limitations associated with engineering prediction schemes. The text should be of considerable interest to researchers in outdoor sound propagation and, more generally, it should provide a comprehensive primer on the topic for lecturers, consultants and students in acoustics and noise control.
Book Synopsis Environmental Noise Control by : Naveen Garg
Download or read book Environmental Noise Control written by Naveen Garg and published by Springer Nature. This book was released on 2022-03-31 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a concise and up-to-date overview of environmental noise control issues, utilizing specific case studies from India to help explore noise mapping and monitoring, impact analysis, and policy, among other relevant topics. The book provides an extensive review of recent studies, including references, and describes the latest noise monitoring structures. It also addresses heretofore under-emphasized topics, including but not limited to acoustic metrology, Multi Attribute Decision Making (MADM) techniques, and sound insulation utilizing passive control strategies.
Book Synopsis Road Traffic Modeling and Management by : Fouzi Harrou
Download or read book Road Traffic Modeling and Management written by Fouzi Harrou and published by Elsevier. This book was released on 2021-10-05 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Road Traffic Modeling and Management: Using Statistical Monitoring and Deep Learning provides a framework for understanding and enhancing road traffic monitoring and management. The book examines commonly used traffic analysis methodologies as well the emerging methods that use deep learning methods. Other sections discuss how to understand statistical models and machine learning algorithms and how to apply them to traffic modeling, estimation, forecasting and traffic congestion monitoring. Providing both a theoretical framework along with practical technical solutions, this book is ideal for researchers and practitioners who want to improve the performance of intelligent transportation systems. Provides integrated, up-to-date and complete coverage of the key components for intelligent transportation systems: traffic modeling, forecasting, estimation and monitoring Uses methods based on video and time series data for traffic modeling and forecasting Includes case studies, key processes guidance and comparisons of different methodologies
Download or read book Tyre, Road Noise written by Ulf Sandberg and published by . This book was released on 2002 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
