Relevant bibliographies by topics / Automobiles – Radiators

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Automobiles – Radiators'

Author: Grafiati
Published: 4 June 2021
Last updated: 28 January 2023

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Journal articles on the topic "Automobiles – Radiators"

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Bupesh Raja, V. K., R. Unnikrishnan, and R. Purushothaman. "Application of Nanofluids as Coolant in Automobile Radiator – An Overview." Applied Mechanics and Materials 766-767 (June 2015): 337–42. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.337.

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In this paper a literature review is made on the application of nanofluids as coolant in automobile radiators. The nanoparticles by virtue of their smaller size possess more surface area than the bulk material, which shall enable them to absorb and dissipate heat at a faster rate. Generally water and ethylene glycol are used as coolants in automobile radiators. Several investigators have used nanofluids consisting of nanosize particles of TiO2, Al2O3, SiO2, CuO, Fe2O3, etc., suspended in the coolant used in the radiator of automobiles. These investigators have observed that the application of nanofluids increases the cooling rate and shall pave way for reducing the weight and size of the radiator, there by contributing to smaller and efficient radiators.
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Didmanidze, O. N., R. T. Khakimov, E. P. Parlyuk, and N. A. Bol’shakov. "Test Results of a Polymer Radiator of MTZ-80 Tractor Cooling System." Agricultural Machinery and Technologies 14, no. 1 (March 24, 2020): 55–60. http://dx.doi.org/10.22314/2073-7599-2020-14-1-55-60.

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Global car manufacturers wish to increase the number of manufactured products, reduce their cost and labor input. The choice of research areas, design and technological developments in radiator construction is an extremely important and urgent task, due to the mass production of radiators for tractors and automobiles on the one hand, and the favorable development prospects of these interrelated industries, on the other. (Research purpose) To substantiate theoretically and experimentally the use of a combined cooling system containing both aluminum and polymeric water radiators and similarly liquid-oil heat exchangers based on the four principles listed above on automobiles and tractors. (Materials and methods) The authors performed bench tests using a special wind tunnel to study the thermal and aerodynamic characteristics of a prototype tractor radiator with a polyurethane core. After reaching the steady-state operating mode of the installation, the experimental values were determined for the control and measuring instruments. (Results and discussion) The authors carried out measurements of all parameters of both coolants in series at each steady-state operating mode of the bench. They obtained the main indicators dependences (reduced heat transfer, aerodynamic and hydraulic drag) of the heat exchanger, close to the operating conditions of the vehicles. (Conclusions) A prototype MTZ-80 radiator with a polyurethane core has great prospects as a future alternative radiator. An increase by 10-15 percent in the radiator heat transfer is possible by using aluminum fi ns on the surface of the polyurethane plate. A 15-20 percent reduction in hydrodynamic resistance is achieved by increasing the diameter of the capillary throughput in a polyurethane plate and the number of plates themselves in the radiator cell.
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Ng, E. Y., P. W. Johnson, and S. Watkins. "An analytical study on heat transfer performance of radiators with non-uniform airflow distribution." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 12 (December 1, 2005): 1451–67. http://dx.doi.org/10.1243/095440705x35116.

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Heat exchangers used in modern automobiles usually have a highly non-uniform air velocity distribution because of the complexity of the engine compartment and underhood flow fields; hence ineffective use of the core area has been noted. To adequately predict the heat transfer performance in typical car radiators, a generalized analytical model accounting for airflow maldistribution was developed using a finite element approach and applying appropriate heat transfer equations including the ε-NTU (effectiveness - number of heat transfer units) method with the Davenport correlation for the air-side heat transfer coefficient. The analytical results were verified against a set of experimental data from nine radiators tested in a wind tunnel and were found to be within +24 and −10 per cent of the experimental results. By applying the analytical model, several severe non-uniform velocity distributions were also studied. It was found that the loss of radiator performance caused by airflow maldistribution, compared with uniform airflow of the same total flowrate, was relatively minor except under extreme circumstances where the non-uniformity factor was larger than 0.5. The relatively simple set of equations presented in this paper can be used independently in spreadsheets or in conjunction with computational fluid dynamics (CFD) analysis, enabling a full numerical prediction of aerodynamic as well as thermodynamic performance of radiators to be conducted prior to a prototype being built.
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Kahraman, Cengiz, Basar Oztaysi, and Sezi Cevik Onar. "Interval-Valued Intuitionistic Fuzzy Confidence Intervals." Journal of Intelligent Systems 28, no. 2 (April 24, 2019): 307–19. http://dx.doi.org/10.1515/jisys-2017-0139.

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Abstract Confidence intervals are useful tools for statistical decision-making purposes. In case of incomplete and vague data, fuzzy confidence intervals can be used for decision making under uncertainty. In this paper, we develop interval-valued intuitionistic fuzzy (IVIF) confidence intervals for population mean, population proportion, differences in means of two populations, and differences in proportions of two populations. The developed IVIF intervals can be used in cases of both finite and infinite population sizes. The developed fuzzy confidence intervals are equivalent decision-making tools to fuzzy hypothesis tests. We apply the proposed confidence intervals to the differences in the mean lives and failure proportions of two types of radiators used in automobiles, and a sensitivity analysis is given to check the robustness of the decisions.
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Justin Dhiraviam, F., V. Naveen Prabhu, T. Suresh, and C. Selva Senthil Prabhu. "Improved Efficiency in Engine Cooling System by Repositioning of Turbo Inter Cooler." Applied Mechanics and Materials 787 (August 2015): 792–96. http://dx.doi.org/10.4028/www.scientific.net/amm.787.792.

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Turbochargers are an integral part of today’s modern diesel engines and are a major reason that they are able to produce more power. Unlike a super charger that is driven via a belt from the engine, a turbo takes the exhaust that the engine is producing and puts it to good use. As Turbochargers are driven by exhaust, heat is an unwelcome by product and something that wasn’t really taken into account in automobiles. Then those intercoolers started to come into play in turbocharged automobiles. The forced air produced by the turbocharger is routed through the intercooler where its temperature is reduced before reaching the engine. The use of intercoolers has made turbocharged vehicles far more reliable and, in the case of today’s heavy duty diesel trucks, is a very important component. The inlet air of an IC engine from turbocharger temperature is very much high (due to compression) means oxygen content is very much less. And also air with high temperature causes pre-ignition and detonation. So fuel combustion does not take place properly. Inter Cooling of inlet air is very much essential according to performance point of view. Turbo intercoolers are used for cooling the inlet air of an IC engine from turbo chargers. Moreover cooling of air makes it denser and contributes for better combustion and more power they are mounted close to the radiators for achieving lower air temperature. This arrangement affects the performance of both. So in this project an attempt will be made to increase the efficiency of the turbo intercooler arrangement through design modification and repositioning of intercooler by taking the TATA MARCOPOLO-Star Bus 909 as a reference.
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Kushwah, Pavan. "Review on Thermal Analysis of Automobile Radiator." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 31, 2021): 3758–66. http://dx.doi.org/10.22214/ijraset.2021.37186.

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Radiators are used to transfer thermal energy from one medium to another for the purpose of cooling. Low efficiency heat exchangers used in automotive as radiator may cause to serious dangers for the engine. Hence, thermal scientists and engineers always pursuit modern methods to enhance the heat removal of the engine. It seems nanofluids implementation in automotive cooling system promises to achieve high efficiency radiators. This paper reviews almost all performed studies in this area that are available in the literature. Author collects details about nanoparticles materials and size, base fluid, volume, concentration, flow regime and Reynolds number used in studies. Usually, maximum heat transfer enhancement and maximum need of pumping power that occurs at the highest volumetric concentration of nanoparticles, simultaneously. On the other hand, using nanofluids, due to the enhanced heat carrying capacity of the nanofluids; the pumping power required will also be reduced.
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M, Vijayakumar, and Mahendra G. "Experimental Investigation of Heat Transfer Characteristics of Automobile Radiator using Tio2 Nanofluid Coolant." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (April 30, 2022): 209–14. http://dx.doi.org/10.22214/ijraset.2022.41171.

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Abstract: The use of nanoparticle dispersed coolants in automobile radiators improves the heat transfer rate and facilitates overall reduction in size of the radiators. In this study, the heat transfer characteristics of water/propylene glycol based TiO2nanofluid was analyzed experimentally and compared with pure water and water/propylene glycol mixture. Two different concentrations of nano fluids were prepared by adding 0.1 vol. %, 0.2 vol. %, 0.3 vol. % and 0.4 vol. % of TiO2 nanoparticles into water/propylene glycol mixture (60:40). The experiments were conducted by varying the coolant flow rate between 3 to 6 lit./min. for various coolant temperatures (50°C, 60°C, 70°C, and 80°C) to understand the effect of coolant flow rate on heat transfer. The results showed that the Nusselt number of the Nano fluid coolant increases with increase in flow rate. At low inlet coolant temperature the water/propylene glycol mixture showed higher heat transfer rate when compared with Nano fluid coolant. However at higher operating temperature and higher coolant flow rate, 0.3 vol. % of TiO2nanofluid enhances the heat transfer rate by 8.5% when compared to base fluids. Keywords: Heat transfer enhancement, Propylene Glycol, Radiator, TiO2Nanofluid coolant
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Abu-Hamdeh, Nidal H., Arash Karimipour, Randa I. Hatamleh, and S. Mohammad Sajadi. "Improve the rheological and thermal performances of the antifreeze liquids for cooling the batteries and radiators in automobiles via provide a new hybrid material composed from Carbon Nanotubes in Ethylene Glycol/Propylene Glycol." Journal of Energy Storage 52 (August 2022): 104982. http://dx.doi.org/10.1016/j.est.2022.104982.

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OʼNeal, Nancy, Gary Purdue, and John Hunt. "Burns Caused by Automobile Radiators." Journal of Burn Care & Rehabilitation 13, no. 4 (July 1992): 422–25. http://dx.doi.org/10.1097/00004630-199207000-00007.

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Jadar, Raju, K. S. Shashishekar, and S. R. Manohara. "Nanotechnology Integrated Automobile Radiator." Materials Today: Proceedings 4, no. 11 (2017): 12080–84. http://dx.doi.org/10.1016/j.matpr.2017.09.134.

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Dissertations / Theses on the topic "Automobiles – Radiators"

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Checketts, Gus Thomas. "Microchannel Radiator: an Investigation of Microchannel Technology with Applications in Automotive Radiator Heat Exchangers." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc700005/.

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Microchannels have been used in electronics cooling and in air conditioning applications as condensers. Little study has been made in the application of microchannels in automotive heat exchangers, particularly the radiator. The presented research captures the need for the design improvement of radiator heat exchangers in heavy-duty vehicles in order to reduce aerodynamic drag and improve fuel economy. A method for analyzing an existing radiator is set forth including the needed parameters for effective comparisons of alternative designs. An investigation of microchannels was presented and it was determined that microchannels can improve the overall heat transfer of a radiator but this alone will not decrease the dimensions of the radiator. Investigations into improving the air-side heat transfer were considered and an improved fin design was found which allows a reduction in frontal area while maintaining heat transfer. The overall heat transfer of the design was improved from the original design by 7% well as 52% decrease in frontal area but at the cost of 300% increase in auxiliary power. The energy saved by a reduction in frontal area is not substantial enough to justify the increase of auxiliary power. The findings were verified through a computational fluid dynamic model to demonstrate the heat transfer and pressure drop of microchannel tubes. The results confirmed that heat transfer of microchannels does improve the thermal performance of the radiator but the pressure drop is such that the net benefit does not outweigh the operating cost. An additional CFD study of the new fin geometry and air-side heat transfer predictions was conducted. The results of the study confirmed the theoretical calculations for the fin geometry.
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Laubscher, Franciscus Xavierus. "A model to predict the effect of the radiator core and ambient conditions on the performance of the cooling system of a rally car." Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-04172007-110452.

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Kleger, Ondřej. "Zkušební stav pro zkoušení chladičů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230222.

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Emission limits and economic situation pressure automobile manufacturer, over the prospective buyer, to production more economy car. One of the elements which may indirectly reduce for example fuel consumption is automobile radiator. Construction of these accessories isn’t simple and simulation its characteristics need inspection in real measurements. Test bench for automobile radiator can help to easily choice and the project cooling system of the vehicles.
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Rostand, Neil. "Modélisation compacte de l'effet des radiations naturelles des dispositifs sub-28nm pour des applications automobiles et aéronautiques." Thesis, Toulouse, ISAE, 2019. http://www.theses.fr/2019ESAE0035.

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L’objectif de cette thèse était le développement de modèles SET (Single Event Transient) et TID (Total Ionizing Dose) pour les MOSFETs de technologies fortement intégrées, reposant notamment sur la technologie SOI. Ces modèles devaient respecter les standards de la modélisation compacte afin d’assurer leur utilisation dans les simulateurs de circuits SPICE (ELDO, SPECTRE, PSPICE …) tout en assurant la justesse du contenu physique. Le langage d’implémentation est alors le Verilog-A. En 1A, l’investigation physique des SET a été effectuée à l’aide de simulations TCAD. Cette tâche a supporté le développement d’un premier modèle physique SET (validé par la TCAD) adapté aux technologies BULK.En 2A, le modèle physique a été rendu compact et implémenté en Verilog-A. Ce travail a nécessité le développement d’une méthode d’implémentation faisant appel à la considération d’un circuit électrique équivalent au phénomène SET. Le modèle ainsi implémenté en SPICE a été capable de prédire l’occurrence de SEUs (Single Event Upset) dans les mémoires et des erreurs plus fonctionnelles dans les registres à décalage. En parallèle, l’investigation physique du TID a été effectuée à l’aide simulations TCAD. Par ailleurs, les effets TID ont été modélisés et implémentés dans le modèle standard compact LETI – UTSOI décrivant le fonctionnement des transistors FDSOI. Le modèle a été validé à l’aide de simulations TCAD et a été utilisé pour extraire les paramètres TID sur des MOSFETs FDSOI irradiés au CEA/DAM.En 3A, un modèle compact SET pour technologies fortement intégrées (reposant sur la technologie SOI) a été développé. Ce modèle prend en compte l’amplification bipolaire inhérente à ce type de structure ainsi que la morphologie 3D de la charge générée par la particule ionisante. Des validations TCAD de ce modèle ont été effectuées. Par ailleurs, ce modèle SET a été interfacé avec le simulateur multi-physiques MUSCA SEP3 afin d’estimer le risque SEE sur des matrices mémoires FDSOI. L’apport du modèle SET a été mis en évidence dans la fiabilité de cette estimation
The purpose of the PhD was to develop "Single Event Transient"(SET) and "Total Ionizing Dose" (TID) models for sub-28nm MOS technologies. These models have been developed according to standards of compact modeling in order to be used into SPICE simulators (ELDO, SPECTRE, PSPICE ...) while main physical features are taken into account. The implementation has been done in Verilog-A langage.During the first year, SET physical investigation has been done performing TCAD simulations. It supported model development of SET applied to BULK technologies. During the second year, this model has been turned into a compact model and implemented in Verilog-A, which required the development of an implementation method involving equivalent electrical circuit. The resulting model has been able to predict "Single Event Upsets" (SEUs) in memories and functional errors in shift registers. Moreover, physical investigation of TID has been performed through TCAD simulations of FDSOI MOSFETs. TID effects have been included into standard FDSOI transistor model LETI-UTSOI. The model has been validated through TCAD simulations and has been used to extract TID parameters on experimental devices irradiated in CEA/DAM. The third year has been partly dedicated to SET model development for very integrated technologies (relying on SOI technology).This model takes bipolar amplification into account as well as 3D charge deposit morphology induced by the ionizing particle. TCAD validations have been performed in order to validate the model. Moreover, this model has been included into multi-physics simulator MUSCA SEP3 in order to assess SEE risk in FDSOI memory matrix. it has been found that the physical features the model is able to model can influence reliability of this assessment
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Hannour, Khadija. "Étude de flux de brasage pour l'aluminium à base de cryolithes et de chlorures alcalins : propriétés thermiques et réactivité." Compiègne, 1993. http://www.theses.fr/1993COMPD612.

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Ce travail concerne la synthèse, la caractérisation, les propriétés thermiques et la mise en œuvre des flux de brasage de l'aluminium couramment utilisés en industrie automobile pour l'assemblage des pièces constituant un radiateur de voiture. Une étude des réactions chimiques se développant dans les différentes étapes du procédé de brasage a été menée. Les flux utilisés contiennent des chlorures de lithium, sodium et potassium mélangés à une cryolithe au sodium ou au potassium. Le rôle d'un additif ZnC12 a été également examiné. La première partie porte sur les propriétés thermiques des flux. La représentation du système d'ordre 5 (cryolithe - chlorures) est complexe. Afin de simplifier le problème, la teneur en cryolithe a été fixée et une représentation par un triangle équilatérale adoptée. Un domaine de composition intéressant pour une utilisation pratique a été délimité. L'existence de βLi3AIF6 obtenue par traitement thermique des mélanges en poudre a été montrée et corrélée aux propriétés thermiques. L'étape de mise en suspension du flux dans l'eau conduit à une transformation du système initial en poudre avec l'apparition de l'elpasolite K2NaAIF6. Après avoir caractérisé la couche d'alumine en surface des pièces, une étude du comportement des mélanges flux - γ-A1203, chauffés dans les conditions de brasage, a permis de proposer un mécanisme d'élimination de la couche d'oxyde. Enfin, après la mise au point des conditions optimales de brasage, les brasures obtenues avec de tels flux ont été examinées par microscopie électronique à balayage. La qualité de la brasure dépend du flux utilisé. L'analyse par microsonde X a montré la répartition et le rôle du zinc.
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SOUZA, CLECIA de M. "Utilização da radiação ionizante na reciclagem de pneus inservíveis de automóvel e sua destinação ambiental adequada." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10613.

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Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Tajouri, Afif. "Amélioration de la précision de modèles des fours radiatifs et optimisation des paramètres de chauffage par méthodes métaheuristiques : Application au procédé de thermoformage de pare-brise." Thesis, Paris, ENMP, 2012. http://www.theses.fr/2012ENMP0109.

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La fabrication du pare-brise automobile est réalisée par un procédé de thermoformage dans un four tunnel où des feuilles de verre subissent un chauffage différentiel par rayonnement par des centaines d'éléments chauffants électriques contrôlés individuellement. Ces travaux ont pour objectif final de répondre à une problématique industrielle formulée en tant que problème d'optimisation. Elle consiste à aider le conducteur du four à retrouver la cartographie de puissance qui permet d'obtenir le champ de température nécessaire à la surface du verre afin d'aboutir à une forme souhaitée. Pour y parvenir, un modèle du four basé sur la méthode de réseau de composants est utilisé afin de simuler le cycle de chauffage. Dans un premier temps, la précision de la température calculée est améliorée par identification paramétrique en se référant à des données de mesures effectuées in situ. Une étude de sensibilité locale et globale a été réalisée au préalable. Par la suite, dans le but d'accélérer ces calculs, une méthode d'optimisation originale est proposée. Elle consiste à combiner la méthode métaheuristique du Recuit Simulé et l'Algorithme de Re-revêtement pour identifier l'émissivité multi-bande des matériaux. Après avoir effectué une validation sur un modèle simplifié 3D de four radiatif de traitement de matériaux, la méthode originale est appliquée pour le modèle du four réel. Outre l'amélioration de la précision des résultats de la simulation, la nouvelle démarche réduit considérablement le temps de calcul. Dans la deuxième partie du travail, plusieurs méthodes métaheuristiques, telles que l'Algorithme Génétique, le Recuit Simulé, la Recherche Tabou ainsi que leur hybridation sont expérimentées pour un modèle simplifié d'une enceinte radiative. Les résultats montrent que la combinaison de l'Algorithme Génétique et du Recuit Simulé a permis d'accélérer la convergence pour atteindre les champs de températures souhaités sur la surface du produit. Cette méthode est par la suite appliquée avec succès pour inverser le modèle du four afin de retrouver les paramètres de commande du four
The manufacturing of automobile windshield is produced by a thermoforming process in a tunnel furnace where glass undergoes differential heating radiation by hundreds of electrical heating elements individually controlled. The final purpose of this work is to answer a real industrial problem, which is formulated as an optimization problem. It aims at assisting the furnace driver to find the setting that allows obtaining the required temperature distribution on the glass design in order to achieve the desired shape. Based on the method of network components, a model of the furnace is used to simulate the heating cycle. As a first step of this work, the accuracy of the temperature calculated is improved by parametric identification by referring to the data of measurements taken in situ. A local and global sensitivity analysis was performed beforehand. Thereafter, in order to accelerate these calculations, an original and optimization method is proposed. It consists in combining the Simulated Annealing metaheuristic method and the Replating Algorithm to identify multi-band emissivity. First, the original method validation is performed on a simplified 3D model of radiative enclosure, and then applied to the real furnace model. The new approach significantly reduces the computation time while improving the accuracy of the simulation results. In the second part of this work, several metaheuristic methods, such as Genetic Algorithm, Simulated Annealing, Tabu Search, and their hybridization are tested on a simplified model of a radiative enclosure. Results show that the combination of Genetic Algorithm and Simulated Annealing has accelerated the convergence to achieve the desired temperature fields on the product surface. This new method is successfully applied to the real furnace model to find the optimal control parameters
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De, Leeuw Barbara Marielle. "Corrosion of aluminium alloys used in automotive radiators." Thesis, 1999. http://hdl.handle.net/10413/5580.

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The replacement of copperlbrass radiators in the automotive industry with radiators made from aluminium components provided the basis of this research. Since aluminium is more susceptible to corrosion than either copper or brass, factors that contribute to its corrosion are of major interest and importance, and have been investigated. Three different aluminium alloys were selected for study because of a special interest in their corrosive behaviour by the automotive industry. These are the aluminium alloy AA 3003 (samples A and B) and two supplier specific alloys (sample D containing Zn and sample E containing Cu and Mg). The various joining operations used in the automotive manufacturing process dictated the preparation of the aluminium alloys used for corrosion studies. Mechanically Assembled (MA) aluminium radiators use alloy samples as supplied by the aluminium industry and hence suitable experiments were carried out on the 'as-supplied' (AS) samples used for both finstock and tubestock material. The development of Composite Deposition (CD) Technology to braze together finstock and tubestock material introduced new challenges to corrosion research. To gain an insight into the corrosion of a Brazed aluminium radiator, all samples were subjected to a thermal profile identical to that experienced industrially under a Controlled Atmosphere Brazing (CAB) furnace. Two cases of interest emerged. Firstly the 'heat-treated' (HT) samples were used to evaluate the effect ofheat treatment on the alloy's resistance to corrosion. Secondly, alloy samples treated with a Composite Powder Coating (CPC) and then subjected to the thermal profile provided a surface of an AI-Si melt which represented the brazed joint. Experiments on these samples yielded information on the AI-Si melt and the likely corrosion in a brazed joint. The resulting corrosion of the AS, HT and CPC samples immersed in various corrosive electrolyte solutions for 60 minutes was examined using two microscopic techniques. Firstly, the actual surface pitting was examined using a Scanning Electron Microscope (SEM), and secondly, cross-sections of the samples mounted in a resin, then suitably polished and etched were examined using an optical microscope to further reveal the nature of corrosion of the samples. The nature of corrosion was best revealed in an acidified chloride solution. The AS samples showed delocalised crystallographic pitting consisting of coalesced pits at localised regions of the surface. The HT samples showed IV localised crystallographic pIttIng consIstIng of many individual pits and intergranular corrosion both at and below the surface. Intergranular corrosion was most severe for HT sample E containing Cu and Mg. The CPC samples showed total corrosion of the surface layer and eutectic AI-Si melt, some crystallographic pitting of the a-AI filler metal, and crystallographic pitting including intergranular corrosion of the base alloy. The extent of corrosion was found to depend on the chemical composition of the aluminium alloys, the presence of Zn, Cu and Mg causing more severe corrosion of the aluminium alloys, with the effect ofZn being most severe. The electrochemical investigation involved the measurement of two fundamentally important parameters. Firstly, the open circuit potentials (OCP) of the alloy samples immersed in the various corrosive electrolyte solutions were measured as a function of time. Secondly, the pitting potentials (Bp) of the alloy samples were measured using anodic polarisation techniques by extrapolation of the resulting log i vs E plots. The OCP and Bp of the AS samples were found to be influenced by the chemical composition of the aluminium alloys. Heat treatment of the AS samples was found to change their microstructure and solid solution composition which in turn affected the electrochemical results. The effect of the Composite melt layer on the electrochemistry of the CPC samples is discussed. Micrographic and electrochemical results were used to assess the best combination of finstock and tubestock material that would yield an aluminium radiator most resistant to corrosion. The likely corrosion of the components in these combinations was assessed and these results were compared with the actual results obtained industrially using the SWAAT exposure test.
Thesis (M.Sc.)-University of Natal, Pietermaritzburg, 1999.
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Chang, Ming-Huang, and 張銘晃. "Automobile Copper Radiator and Aluminum Radiator Heat Translated Difference Research." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/05627403715437662179.

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碩士
國立交通大學
工學院精密與自動化工程學程
101
The purpose of this proposal is to investigate the influence of the materials of radiators on heat translation. A radiator is one style of heat exchangers, which can be affected by the shapes, the intervals, and the materials of fins. This study adopts the simplest methods to compare the heat translating efficiency of two radiators made of different materials. Sorted by the materials of fins, the experimental radiators can be classified into copper radiators and aluminum radiators. To compare these two materials, pure water, with no ethylene glycol (also known as radiator rust inhibitor), is used as the coolant. Mitsubishi Automobile 1.2 L on the shelf engine is used to eliminate the interference of air convection. The original fans, which are controlled by ECU and negative temperature coefficient coolant temperature sensor, are changed into manual paced electric fans to reduce variables. In conclusion, by diverse experimental methods, this research evaluates the translating efficiency of different radiators using the same equipment.
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Laubscher, Franciscus Xavierus. "A model to predict the effect of the radiator core and ambient conditions on the performance of the cooling system of a rally car." Diss., 2006. http://hdl.handle.net/2263/23981.

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A mathematical model which predicts the cooling system performance for a rally car is derived in this study. A case study vehicle was made available by a local manufacturer for evaluation of the cooling system. Two heat exchangers compatible for the vehicle were tested in a controlled wind tunnel environment to determine its heat transfer characteristics. Including the relationship between fluid flows and vehicle speed, a function resulted through which the cooling system performance can be predicted. Including the heat generated by the engine to be dissipated by the cooling system and the effect of ambient conditions on heat generated and dissipated, an energy balance results. Using the energy balance a contour plot is generated which predicts the suitability of the heat exchanger at various ambient conditions. The tool thus allows the user to assess the cooling system on the day of the race, highlighting whether the required cooling will be achieved.
Dissertation (MEng(Mechanical))--University of Pretoria, 2007.
Mechanical and Aeronautical Engineering
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Books on the topic "Automobiles – Radiators"

1

Gashlin, Kevin. Waste reduction activities and options for a remanufacturer of automobile radiators. Cincinnati, OH: U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1992.

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Commission, United States International Trade. In the matter of certain automotive fuel caps and radiator caps and related packaging and promotional materials: Investigation no. 337-TA-319 (Commission order of August 16, 1991). Washington, DC: U.S. International Trade Commission, 1992.

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C, Williams William. Motoring mascots of the world. Portland, Or: Graphic Arts Center, 1990.

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Neher, Hans-Michael. Edle Kühlerfiguren: Eleganz und Design. Berlin: Nicolai, 2014.

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Legrand, Michel. Mascottes, passion. Issy-les-Moulineaux: Antic show, 1999.

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Ames, Robert. Mascot catalogs. Portland, OR: R. Ames, 1998.

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Whittaker, Stephen G. Lead exposure in radiator repair workers: A survey of Washington State radiator repair shops and review of Occupational lead exposure registry data. Olympia, Wash: Dept. of Labor and Industries, Safety & Health Assessment & Research for Prevention, 2002.

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Washington (State). Dept. of Ecology. Guidance on dangerous waste: Annual reporting for MQG and LQG automotive-related shops : (auto body, auto service, engine rebuilder, and radiator repair shops). [Olympia: The Dept., 1995.

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National Register of Foreign Collaborations (India) and India. Dept. of Scientific & Industrial Research., eds. Technology in Indian radiators for automobile applications industry: A status report prepared under the National Register of Foreign Collaborations. New Delhi: Govt. of India, Dept. of Scientific & Industrial Research, Ministry of Science & Technology, 1995.

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In the matter of certain automotive fuel caps and radiator caps and related packaging and promotional materials: Investigation no. 337-TA-319 (Commission order of August 16, 1991). Washington, DC: U.S. International Trade Commission, 1992.

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Book chapters on the topic "Automobiles – Radiators"

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Petrik, Máté, Gábor Szepesi, Károly Jármai, and Betti Bolló. "Theoretical and Parametric Investigation of an Automobile Radiator." In Lecture Notes in Mechanical Engineering, 27–37. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51189-4_3.

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Vinoth Kumar, J., A. Amarkarthik, T. Santhosh, R. Solomon Allenjudah, and U. Sundreswaran. "Performance Analysis of Automobile Radiator Using Tungsten Trioxide Nano-Fluid." In Springer Proceedings in Materials, 1175–81. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8319-3_117.

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Chandra Sekhara Reddy, M., and Veeredhi Vasudeva Rao. "Heat Transfer Enhancement in Automobile Radiator Through the Application of CuO Nanofluids." In Intelligent Manufacturing and Energy Sustainability, 757–67. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4443-3_73.

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Leela Kumar, K., R. Rudrabhi Ramu, and P. H. J. Venkatesh. "Performance of Automobile Engine Radiator by Using Nanofluids on Variable Compression Diesel Engine." In Lecture Notes in Mechanical Engineering, 383–96. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-4606-6_36.

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Lienhard, John H. "Systems, Design, and Production." In The Engines of Our Ingenuity. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195135831.003.0014.

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No technology can be reduced to one invention or even to a cluster of inventions. The smallest component of any device, something so small as a screw, represents a long train of invention. Somebody conceived of a lever, someone else thought of a ramp, another person dreamed up a circular staircase. The simple screw thread merges all of those ideas, and it followed all of them. A contrivance made of more than one part is a system woven from those parts. Take a pair of scissors. It consists of just three correlated members—two blades with handles on one end and the bolt that holds them together. Each part represents a skein of invention, and the whole is a device with an efficacy that we would normally not see in the parts alone. System is a word that takes on new overtones in the modern engineering vocabulary. Yet the modern sense of the word is no different from the dictionary definition, “an assemblage with correlated members.” As machines become more complex, however, their systemic characters become increasingly important in the processes of conceiving, designing, and producing them. But the systemic nature of technology does not end with the particular device. Think for a minute about automobiles. An automobile engine is a large, complex system in itself, but it cannot be designed in isolation from the rest of the car. The engine, radiator, transmission, brakes, airconditioning, suspension, and much more all act in concert to get you to work or to play. And the systemic character does not stop there. The automobile interacts with life around it. Questions of service, noise, air pollution, parking, and pedestrian safety all come to rest on the shoulders of automobile makers. That particular assemblage of correlated members reaches even beyond the automobile and its immediate infrastructure. The finished automobile reshapes the society in which it moves. The layout of cities, the design of homes, and even the scaling of the nuclear family have been shaped to this exceedingly complex technology, and that process of change continues still.
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Conference papers on the topic "Automobiles – Radiators"

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Chougule, Sandesh S., and S. K. Sahu. "Experimental Investigation of Heat Transfer Augmentation in Automobile Radiator With CNT/Water Nanofluid." In ASME 2013 4th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/mnhmt2013-22100.

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The trend toward higher engine power leads to larger radiators in automobile sector and increased frontal areas, resulting increased fuel consumption. Heat transfer of coolant flow through the automobile radiators is of great importance for the optimization of fuel consumption. Compaq cooling system can be manufactured by introducing nanocoolant with in automobile radiator. In this paper, heat transfer of CNT based nanocoolant has experimentally compared to that of pure water in an automobile radiator. Four different concentrations of nanofluids in the range of 0.15–1 vol. % have been prepared by the addition of CNT nanoparticles into the water. The test liquid flows through the radiator consisted of vertical tubes with rectangle cross section and air makes a cross flow inside the tube bank with constant speed. The CNT nanocoolants are synthesized by functionalization CNT (FCNT) and surface treatment (SCNT) method. The effects of type of nanofluid, variation in pH and nanoparticle concentration on the Nusselt number are deeply investigated. Results demonstrate that both nanocoolant show enormous change Nusselt number in comparison with water. The results of functionalized CNT nanocoolant with 5.5 pH show better performance than 6.8 and 9 pH nanocoolant. The surface treated CNT nanocoolant show results deterioration in heat transfer performance. Furthermore, increasing the nanoparticle concentration and nanofluid velocity enhances the Nusselt number.
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Naik, Ravin G., Arvind S. Mohite, and Juneyd F. Dadi. "Experimental Evaluation of Heat Transfer Rate in Automobile Cooling System by Using Nanofluids." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50571.

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The demand for more powerful engines in smaller hood spaces has created a problem of insufficient rates of heat dissipation in automotive radiators. Insufficient heat dissipation can result in the overheating of the engine, which leads to the breakdown of lubricating oil, metal weakening of engine parts, and significant wear between engine parts. To minimize the stress on the engine as a result of heat generation, automotive radiators must be redesigned to be more compact while still maintaining high levels of heat transfer performance. Moreover, this can be done without significant modification to the existing internal radiator structure, this can be done by increasing (i) heat transfer area, (ii) temperature, and (iii) heat transfer co-efficient. However, technologies have already reached their limit for the cases heat transfer area and temperature. Recently many researchers found that dispersing nano-sized particles into the liquids result in higher heat transfer co-efficient of these newly developed fluids called nanofluids compared to the traditional liquids. This kind of fluids are now of great interest not only for modifying heat transfer performance of fluids, but also for improving other different characteristics such as mass transfer and rheological properties of fluids. A major goal of the nanofluids project is to reduce the size and weight of the vehicle cooling systems by greater than 10% despite the cooling demands of higher power engines. Nanofluids enable the potential to allow higher temperature coolants and higher heat rejection in the automotive engines. It is estimated that a higher temperature radiator could reduce the radiator size approximately 30%. In this paper we have considered two nanofluids comprising of aluminium oxide and copper oxide in water mixture has been studied experimentally to compare their performance in automobile radiator. The study shows that for a particle volume concentration of 0.1%, both nano fluids show improvements in their performance over the base fluid. Comparison has been made on the basis of three important parameters; equal mass flow rate, equal air flow rate and equal radiator inlet temperature of coolant. For both nanofluids exhibit increase in heat transfer rate compared to base fluid.
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Samadiani, Emad, and Amirhasan Kakaee. "An Analytical Model to Simulate the Automotive Cooling System." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72612.

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In this paper the effect of simultaneous operation of the automotive radiator, fan, engine, and cooler system on radiator coolant inlet temperature is studied. For this purpose, an analytical model is developed to simulate the automotive cooling system. First, the heat transfer rate and air pressure drop in radiators with louvered corrugated fins and flat tubes are modeled and compared with wind tunnel test results over six radiator cores. Also, the air flow path is simulated. Two preexisting codes are used to simulate the automotive engine and cooler system. Then a code is developed in order to investigate the effect of different parameters related to each component of the cooling system on cooling water inlet temperature. In the end, the effect of ambient temperature, cooling water flow rate, and fin pitch on cooling water temperature at different speeds of a sample automobile is examined.
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Sharifpur, Mohsen. "Designing Boiling Condenser for More Efficiency in Power Plants and Less Environment Defects." In ASME 2007 Power Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/power2007-22201.

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One of the most important problems in the power plants is to increase the thermal efficiency of the cycle. Most of the works in this area is focused on regeneration devices, removing the heat losses of components…But usually, about half of the input energy in the thermal cycle wastes in the condensers. In this day and age with greenhouse effect and global warming problem, the less environment defect is also another important subject. In this work, a new condenser is offered that is the same as a core of BWR nuclear reactors, then during the working fluid is condensing in a cycle it is a boiling generator (boiling heat exchange) for another cycle. In this way not only could change some parts of unused energy to work, but also it has more capability with environment. It is possible to design this process several times with different cycles and different working fluids to low heat wastes from condensers. Here, it is offered this idea by using the data of Catalagzi power plant in Turkey. The results confirm that the thermal efficiency increases at least %7.5. It can use this method for most of the power plants or somewhere that needed to remove some heat from a device, same as radiators of the automobiles.
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Scott, Arthur C. "Corrosion Performance of Long-Life Automobile Radiators." In 1995 Vehicle Thermal Management Systems Conference and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1997. http://dx.doi.org/10.4271/971857.

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Miyake, Junji, Masahiro Tsuji, and Susumu Kawauchi. "Corrosion Prevention for Automobile Radiator Tubes." In 1986 SAE Automotive Corrosion and Prevention Conference and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/862021.

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Kolachalama, Srikanth, Kalyan Kuppa, Dhananjay Mattam, and Mukul Shukla. "Thermal Analysis of Radiator Core in Heavy Duty Automobile." In ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/ht2008-56469.

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Background: Heat dissipation is one of the most critical considerations in engine design and with an efficient cooling system; performance of the engine can be dramatically improved. All internal combustion engines convert chemical energy into mechanical power. Around 70% of the energy is converted into heat and therefore, the primary job of the cooling system is to keep the engine from overheating by transferring this heat to the air. A radiator transfer’s heat from the hot coolant to the air and an effective design of radiator will ultimately lead to enhanced engine performance by reducing the heating effect. Methods and results: A mathematical expression for the rate of heat dissipation from the radiator core was derived and a modification in the design was proposed in the radiator core by changing the structure of the tubes from cylindrical to helical. The rate of heat dissipation for both designs was compared with similar boundary conditions by varying the magnitude of all design parameters in a specific range that have same magnitude of area of cross section, length of the radiator core and coefficient of thermal conductivity for the tube. Enhanced rate of heat dissipation for helical structure confirms the efficacy of the proposed design.
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Senthilkumar, G., S. Ramachandran, and M. Purusothaman. "Indigenous development of automobile radiator using CFD." In International Conference on Frontiers in Automobile and Mechanical Engineering (FAME 2010). IEEE, 2010. http://dx.doi.org/10.1109/fame.2010.5714862.

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Feng Guosheng, Zheng Mingjun, Jia Sumei, and Wang Haihua. "Design and thermal analysis of automobile ECU radiator." In 2010 International Conference on Mechanic Automation and Control Engineering (MACE). IEEE, 2010. http://dx.doi.org/10.1109/mace.2010.5536635.

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Guan, Ying, Hongjiang Cui, and Minghai Li. "The Thermo-Performance Study of Automobile Tube-core-fin Radiator." In 2010 WASE International Conference on Information Engineering (ICIE 2010). IEEE, 2010. http://dx.doi.org/10.1109/icie.2010.75.

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