Cold Engine
Mostrando 1-12 de 12 artigos, teses e dissertações.
-
1. Methods of diagnosis and treatment of complex regional pain syndrome: an integrative literature review
RESUMO JUSTIFICATIVA E OBJETIVOS: A síndrome da dor regional complexa é caracterizada por dor intensa que acomete uma extremidade do corpo, além de edema, aumento da sensibilidade ao frio e ao toque, sudorese, alteração de coloração e diminuição da capacidade de movimento. O objetivo deste estudo foi identificar e analisar os métodos de diagnósti
BrJP. Publicado em: 02/12/2019
-
2. Concentration Profiles of Regulated and Unregulated Pollutants Emitted from the Combustion of Soybean Biodiesel and Diesel/Biodiesel Blend Originating of a Diesel Cycle Engine
This study evaluated the concentration profiles of regulated and unregulated pollutants emitted from a stationary diesel engine cycle, operating at the speed of 1800 rpm and 0% load, using biofuels and binary blends. The experimental test considered fuel burning time on three different periods and storage times. The operation of the engine when it is still c
J. Braz. Chem. Soc.. Publicado em: 2017-04
-
3. Emissions of Criteria and Non-Criteria Pollutants by a Flex-Fuel Motorcycle
While criteria pollutants have established emission limits for motorcycles in Brazil, aldehydes limits have not been established and conclusive studies have not been found in the existing literature, despite the growing number of motorcycles using flex fuel in Brazil. This work presents results for the emissions of criteria pollutants, such as carbon monoxid
J. Braz. Chem. Soc.. Publicado em: 2016-12
-
4. Heat pump for thermal power production in dairy farm
ABSTRACT Besides cold for milk cooling, dairy facilities need to produce hot water for cleaning of tools and equipment. Overall, ohmic heating has been used in dairy farms, increasing power consumption and manufacturing costs. Therefore, as an alternative to reduce power consumption, this paper proposed a water-water heat pumping for simultaneous cold and he
Eng. Agríc.. Publicado em: 2016-10
-
5. Repairing of an Engine Block Through the Cold Gas Dynamic Spray Technology
In the modern automotive industry, the maintenance of the vehicle during its life cycle is increasing in importance due to both economical and environmental considerations. A new frontier is the reparation of large parts, originally made by fusion, by the addition of material. The standard technique in the field is the use of TIG welding, but in the last few
Mat. Res.. Publicado em: 26/09/2016
-
6. Estudo dos componentes auxiliares de partida a frio de motores movidos a Diesel / Study of auxiliary components of cold start in Diesel engines
Cold start in Diesel engines is a problem which has not yet been properly solved and becomes particularly critical with the current trend to reduce the emission levels at low temperatures and engine compression ratio addressed to fuel consumption decrease. Although it is clear that there are some key factors whose control leads to a proper cold start process
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/07/2011
-
7. Estudo comparativo de estrutura/propriedades da liga A1-Si5-Cu3-Mg nos estados fundido e tixoconformado, para utilização em componentes de motores / Comparative study of structure-properties from A1-Si5-Cu3-Mg alloy by casting and thixoforged, for use in engine components
The goal of this work was the comparative study between the Al-Si5-Cu3-Mg alloy obtained by die casting and thixoforging, based on a commercial accessories bracket used in diesel engines. The die casting commercial part was characterized in terms of structure and mechanical properties, and the final sample obtained by thixoforging was characterized in the sa
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/07/2010
-
8. Power and efficiency performances of a micro thermal Brownian heat engine with and without external forces
Power and efficiency performances of a thermal Brownian heat engine, which consists of Brownian particles moving in a periodic sawtooth potential with and without external forces and contacting with alternating hot and cold reservoirs along the space coordinate, are studied in this paper. The performance characteristics are obtained by numerical calculations
Brazilian Journal of Physics. Publicado em: 2010-06
-
9. Vehicle emission analysis in urban short distances with GPS localization / Análise das emissões veiculares em trajetos urbanos curtos com localização por GPS
Estuda-se o problema da emissão de gases por veículos automotores movidos a gasolina em trajetos curtos ercorridos em cidades pequenas e médias. Nessa situação, o tipo de percurso que ocorre com mais frequência é curto, o que significa circulação de veículos com os motores ainda frios. Sabe-se que esta circunstância constitui a condição menos fa
Publicado em: 2009
-
10. THE USE OF X RAY DIFFRACTION TO DETERMINE THE RESIDUAL STRESS INDUCED BY THE COLD ROLLING PROCESS IN A CYLINDER LINER OF A DIESEL ENGINE / O uso da difração de Raios-X para determinação da tensão residual induzida pelo processo de roleteamento em uma camisa de cilindro de motor diesel
Neste trabalho, comprovou-se através do teste de fadiga que a camisa de cilindro pode ter sua resistência à fadiga elevada pela tensão residual compressiva induzida pelo roleteamento do raio de concordância. Utilizando a metodologia do Planejamento de Experimentos (DOE), criou-se um experimento para estudar a contribuição individual na elevação da t
Publicado em: 2008
-
11. ANÁLISE DE UM SISTEMA DE PRODUÇÃO SIMULTÂNEA DE ELETRICIDADE, FRIO E CALOR / ANALYSIS OF A SYSTEM FOR THE SIMULTANEOUS PRODUCTION OF ELECTRICAL ENERGY, HEAT AND COLD
The simultaneous production of electric energy, heat and cooling capacity from the primary fuel burning on a heat engine (trigeneration) can emerge as a promising strategy, from the energy and project points of view, mostly, in food and chemistry industries. The present work describes the experimental study of a vapor compression system for chilled water pro
Publicado em: 2005
-
12. Simulation and otimizaÃÃo of plants of microcogeraÃÃo with the use of a module of configuration of tasks for the taking of decision in changeable demands / SimulaÃÃo e otimizaÃÃo de plantas de microcogeraÃÃo com a utilizaÃÃo de um mÃdulo de configuraÃÃo de tarefas para a tomada de decisÃo em demandas variÃveis
The restructuring of Brazilâs power sector has stimulated new studies about distributed power generation. As the governmental strategy proposes a larger share for natural gas in the energetic matrix, many research groups has been concentrating their studies in cogeneration, specially using natural gas. For example, the COGENCASA project studies a residentia
Publicado em: 2004