Relevant bibliographies by topics / Heat - Convention, Natural

Contents

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

Academic literature on the topic 'Heat - Convention, Natural'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Heat - Convention, Natural"

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Liu, Yi. "Analysis of Influence Factors on the Internal-Melt Ice-on-Tube while Melting." Applied Mechanics and Materials 580-583 (July 2014): 2452–56. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.2452.

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The numerical simulation is widely used in study of the ice storage system. The model about melting is established and solved by using enthalpy method. Natural convection of the melted water in the course of melting is studied. Effects on the performance of heat-exchange, caused by variation of velocity of the refrigerant, inner diameter of the tube, initial temperature of the external water and inlet temperature of the refrigerant, are simulated and analyzed. 1. As the increase of cryogen inlet temperature, the influence of natural convention is more and more in the process of melting heat tr
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Liu, Yi, and Xin Chen. "Thermodynamic Analysis of the Internal Melt-Ice-on-Tube during Melting under Natural Convection." Advanced Materials Research 937 (May 2014): 375–80. http://dx.doi.org/10.4028/www.scientific.net/amr.937.375.

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The numerical simulation of the ice melting processes in internal melt-ice-on-tube which is applied widely in the ice storage system is carried out. The dynamic mathematical models about melting are established and solved by using enthalpy method. Natural convection of the melted water in the course of melting is studied, and natural convection influences on single tube in melting heat transfer process is analyzed under the related parameters. Several conclusions are obtained:1. Because of natural convection of the melted water, the curve of melting interface is no longer a circle, but a curve
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Zhou, Shiyu, Xiaoping Liu, Guangyue Du, Chuanze Liu, and Yucheng Zhou. "Comparison study of CFD and artificial neural networks in predicting temperature fields induced by natural convention in a square enclosure." Thermal Science 23, no. 6 Part A (2019): 3481–92. http://dx.doi.org/10.2298/tsci171113084z.

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Natural convection in an enclosure is a classical problem in heat transfer field. In this study, natural convection induced by the heat source in the enclosure is studied with two analysis methods, i. e. CFD and artificial neural networks (ANN). The heat transfer in the enclosure is an unsteady process. During this process, the temperature fields in the enclosure are changing with time. The vertical temperature field of y = 0 at one moment is picked up for investigation. Firstly, FLUENT software which is a simulation program of CFD is adopted to simulate the temperature fields under different
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Ashjaee, Mehdi, Sajjad Bigham, and Sajad Yazdani. "A Numerical Study on Natural Convention Heat Transfer From a Horizontal Isothermal Cylinder Located Underneath an Adiabatic Ceiling." Heat Transfer Engineering 35, no. 10 (2013): 953–62. http://dx.doi.org/10.1080/01457632.2014.859878.

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Langford, Malcolm, and Peris Jones. "Between Demos and Ethnos: The Nepal Constitution and Indigenous Rights." International Journal on Minority and Group Rights 18, no. 3 (2011): 369–86. http://dx.doi.org/10.1163/157181111x583332.

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AbstractThis article examines the contested reception of the Convention concerning Indigenous and Tribal Peoples in Independent Countries (“ILO Convention 169”) in Nepal, particularly in the context of current constitutional reform and post-conflict economic development. Compelling evidence suggests that exclusionary political institutions, laws and structures have been the major cause of exclusion in contemporary Nepal. While Nepal is home to a range of different ethnic, language, religious and caste-based groups, the Adivasi Janajati (around 37 per cent of the population) consider themselves
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Jha, Basant K., and Yusuf Y. Gambo. "Transient natural convention heat and mass transfer flow in a vertical channel in the presence of Soret and Dufour effects: An analytical approach." International Journal of Modern Physics C 31, no. 02 (2020): 2050032. http://dx.doi.org/10.1142/s0129183120500321.

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This paper presents an analytical solution for transient natural convection heat and mass transfer flow in a vertical channel with Soret and Dufour effects. Due to the presence of these two effects, energy and concentration equations are coupled. The dimensionless governing equations for momentum, energy and concentration are first decoupled using perturbation method and then solved using Laplace Transform Technique (LTT) under relevant initial and boundary conditions. The expressions for temperature, concentration, velocity, rate of heat transfer, rate of mass transfer and skin-friction are o
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Kairakbaev, A. K., Ye S. Abdrakhimova, and V. Z. Abdrakhimov. "Innovative Approaches to Using Kazakhstan’s Industrial Ferrous and Nonferrous Tailings in the Production of Ceramic Materials." Materials Science Forum 989 (May 2020): 54–61. http://dx.doi.org/10.4028/www.scientific.net/msf.989.54.

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This paper covers the production of ceramic materials from the tailings of ferrous and nonferrous metallurgy without using convention natural materials. The research addresses the dependency of the polymetallic ore tailings, chromite ore tailings, and physico-mechanical properties of ceramic materials based on the clayey portion of zircon-ilmenite ore gravity tailings. The dependency model is based on the actual experimental data and provides an analytical description of the test results as a function. Regression analysis has produced mathematical models for predicting the properties of cerami
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Respondek, Zbigniew. "Heat Transfer Through Insulating Glass Units Subjected to Climatic Loads." Materials 13, no. 2 (2020): 286. http://dx.doi.org/10.3390/ma13020286.

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One of the structural elements used in the construction of insulating glass units (IGUs) are tight gaps filled with gas, the purpose of which is to improve the thermal properties of glazing in buildings. Natural changes in weather parameters: atmospheric pressure, temperature, and wind influence the gas pressure changes in the gaps and, consequently, the resultant loads and deflections of the component glass panes of a unit. In low temperature conditions and when the atmospheric pressure increases, the component glass panes may have a concave form of deflection, so that the thickness of the ga
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Quadros, Rodolfo, João Luiz Jucá, João Guilherme Ito Cypriano, Roberto Perillo Barbosa da Silva, Luiz Carlos Pereira da Silva, and Rafael Gomes Bento. "Implementation of Microgrid on the University Campus of UNICAMP- Brazil: Case Study." Journal of Electronics and Advanced Electrical Engineering 1, no. 2 (2021): 21–25. http://dx.doi.org/10.47890/jeaee/2020/rodolfoquadros/11120009.

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Based on the development of new technologies in the electrical engineering field, microgrids can be understood as the effective implantation of smart grids. These, in turn, have functionalities for energy management, such as voltage control, frequency, and demand management, and can also operate in a connected or island mode concerning the utilities resources. In the face of such technological advances and energy management, this paper presents a proposal for the implementation of a microgrid, called CampusGRID. This microgrid will be installed on the University Campus of UNICAMP - Brazil, bei
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Pacyna, Jozef M., Oleg Travnikov, Francesco De Simone, et al. "Current and future levels of mercury atmospheric pollution on a global scale." Atmospheric Chemistry and Physics 16, no. 19 (2016): 12495–511. http://dx.doi.org/10.5194/acp-16-12495-2016.

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Abstract. An assessment of current and future emissions, air concentrations, and atmospheric deposition of mercury worldwide is presented on the basis of results obtained during the performance of the EU GMOS (Global Mercury Observation System) project. Emission estimates for mercury were prepared with the main goal of applying them in models to assess current (2013) and future (2035) air concentrations and atmospheric deposition of this contaminant. The combustion of fossil fuels (mainly coal) for energy and heat production in power plants and in industrial and residential boilers, as well as
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Dissertations / Theses on the topic "Heat - Convention, Natural"

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Veloso, Maria Auxiliadora Fortini. "Analise termofluidodinamica de reatores nucleares de pesquisa refrigerados a agua em regime de convecção natural." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266507.

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Orientador : Elias Basile Tambourgi<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Quimica<br>Made available in DSpace on 2018-08-04T01:56:06Z (GMT). No. of bitstreams: 1 Veloso_MariaAuxiliadoraFortini_D.pdf: 6659840 bytes, checksum: 9158a84e3db6fe7278b8e1cc55b8277e (MD5) Previous issue date: 2004<br>Resumo: O programa computacional STHIRP-1 (Simulação Termo-Hidráulica de Reatores de Pesquisa), cujos fundamentos são descritos neste trabalho, utiliza os princípios da técnica de subcanais e tem a capacidade de simular, em condições estacionárias e transitórias
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Čadová, Jana. "Analýza přípravy zápisu kostela Nejsvětějšího Srdce Páně v Praze 3 na Seznam UNESCO." Master's thesis, Vysoká škola ekonomická v Praze, 2012. http://www.nusl.cz/ntk/nusl-199993.

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This thesis deals with the possibility of the inscription of the Church of the Most Sacred Heart of Our Lord in Vinohrady to the UNESCO World Heritage List. The church is a piece of work of the well-known Slovenian architect Josip Plečnik. The church's nomination is being prepared in cooperation with Slovenia where Plečnik's churches are also aimed to be nominated to the UNESCO World Heritage List. The work is focused on evaluation of outstanding universal value based on which the church meets some established criteria that are essential for the nomination to the UNESCO World Heritage List. Mo
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HSU, CHUNG-YI, and 許中乙. "Natural Convention Heat Transfer Analysis of Heat Pipe and Heat Sink at Different Geometry Arrangement." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/p7ky46.

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碩士<br>聖約翰科技大學<br>機械與電腦輔助工程系碩士班<br>106<br>The heat generation rates of electronic components and systems increase sharply because of the fast improving of performance. To avoid damaging the components and to improve the durability of products, quickly remove the heat is necessary. However, some products for military, special industrial processes or harsh condition to employ the forced convention with fan is not available. In order to remove the heat generated at heat source, the performance of heat pipe and heat sink at different arrangements are investigated. In this study, the heat source tem
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Books on the topic "Heat - Convention, Natural"

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Stephen, Holt. The natural way to a healthy heart: Lessons from alternative and conventional medicine. M. Evans and Company, 1999.

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The Natural Way to a Healthy Heart: Lessons from Alternative and Conventional Medicine. M. Evans and Company, Inc., 2002.

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Saving Womens Hearts How You Can Prevent And Reverse Heart Disease With Natural And Conventional Strategies. John Wiley & Sons, 2011.

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Trevor C, Hartley. Part II Jurisdiction, 13 Choice-of-Court Agreements. Oxford University Press, 2017. http://dx.doi.org/10.1093/law/9780198729006.003.0013.

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This chapter considers choice-of-court agreements under Brussels 2012, Lugano 2007, and Hague. The issue is considered based on the assumption that the courts of only one country are involved. Several provisions in all three instruments are relevant. In the case of Brussels 2012, the most important for present purposes is Article 25; in the case of Lugano 2007, it is Article 23; in the case of Hague, the whole Convention could be regarded as relevant, since all of it is concerned with choice-of-court agreements. The discussions cover the nature of choice-of-court agreements, relevant provision
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Staël, Madame de, and John Isbell. Corinne. Edited by Sylvia Raphael. Oxford University Press, 2008. http://dx.doi.org/10.1093/owc/9780199554607.001.0001.

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‘Look at her, she is the image of our beautiful Italy.’ Corinne, or Italy (1807) is both the story of a love affair between Oswald, Lord Nelvil and a beautiful poetess, and an homage to the landscape, literature and art of Italy. On arriving in Italy, Oswald immediately falls under Corinne’s magical spell as she is crowned a national genius at the Captitol. Yet, on returning to England, he succumbs to convention and honours his late father’s wish by marrying the dutiful English girl, Lucile, despite having learned that Corinne is Lucile’s Italian half-sister. Corinne dies of a broken heart and
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Case, Holly. The Age of Questions. Princeton University Press, 2018. http://dx.doi.org/10.23943/princeton/9780691131153.001.0001.

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In the early nineteenth century, a new age began: the age of questions. In the Eastern and Belgian questions, as much as in the slavery, worker, social, woman, and Jewish questions, contemporaries saw not interrogatives to be answered but problems to be solved. Alexis de Tocqueville, Victor Hugo, Karl Marx, Frederick Douglass, Fyodor Dostoevsky, Rosa Luxemburg, and Adolf Hitler were among the many who put their pens to the task. This book asks how the question form arose, what trajectory it followed, and why it provoked such feverish excitement for over a century. Was there a family resemblanc
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Tacoma, Laurens E. Roman Political Culture. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198850809.001.0001.

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This book offers an analysis of Roman political culture in Italy from the first to the sixth century AD on the basis of seven case studies. Its main contention is that, during the period in which Italy was subject to single rule, Italy’s political culture had a specific form. It was the product of the continued existence of two traditional political institutions: the senate in the city of Rome and the local city councils in the rest of Italy. Under single rule, the position of both institutions was increasingly weakened and they became part of a much wider institutional landscape. Nevertheless
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Colás, Alejandro. The International Political Sociology of Empire. Oxford University Press, 2018. http://dx.doi.org/10.1093/acrefore/9780190846626.013.335.

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There are two primary reasons why empires are central to our understanding of International Relations (IR). First, the empire has been replaced by juridically equal sovereign territorial states over the past century. Formal empires no longer exist, and only one head of state retains the title of Emperor—Akihito of Japan. The second reason why the study of empire matters to IR is that much of the conventional distinction between hierarchy and anarchy has been subject to various criticisms from a wide array of methodological and political perspectives. In particular, International Political Soci
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Book chapters on the topic "Heat - Convention, Natural"

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Cooper, Robin. "Swedish and the Head-Feature Convention." In Studies in Natural Language and Linguistic Theory. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4572-2_2.

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Shang, De-Yi, and Liang-Cai Zhong. "Partial Differential Equations of Boundary Layer of Conventional Fluid’s Natural Convection." In Heat and Mass Transfer. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94403-6_3.

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Beris, Antony N., and Brian J. Edwards. "Non-Conventional Transport Phenomena." In Thermodynamics of Flowing Systems: with Internal Microstructure. Oxford University Press, 1994. http://dx.doi.org/10.1093/oso/9780195076943.003.0015.

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In this chapter, we wish to exploit the availability of the bracket formalism in the description of complex, non-conventional transport phenomena. In the first section, §10.1, we analyze relaxational phenomena in heat and mass transfer. The next section, §10.2, includes the description of phase transitions in inhomogeneous media. The last section, §10.3, contains a first effort to describe inertial effects in viscoelasticity. These problems have rarely been considered in the past, and when they have it has always been from a phenomenological perspective. We explore the availability of the bracket formalism here to provide a more systematic basis for these systems than has heretofore been available, and hence we characterize the models in this chapter as semi-phenomenological. The basic approach that we use is to first establish an appropriate internal variable for the system in consideration, and then to divine an appropriate Hamil-tonian which does, in some limits, produce available phenomenological models. (The latter step indicates why we characterize the models deve-loped in this chapter as “semi-phenomenological.”) As we shall see, describing the models on this more fundamental basis clears up a number of inconsistencies, as well as extending their range of validity without unduly sacrificing their simplicity. In most engineering applications of heat and mass transfer, the simple linear constitutive relations of (6.4-12) are adequate in order to describe the respective transport processes. A couple of very simple examples are the heat flux, when the affinity is the temperature gradient (giving Fourier's law of heat conduction), and the mass diffusion flux, when the affinity is the chemical potential (giving Pick's law of mass diffusion). The importance of such relationships in engineering practice cannot be overestimated. The validity of the linearized equations is generally established by steady-state experiments, so the question that naturally arises is whether or not the same constitutive relationship will hold for transient phenomena. This question cannot be answered as long as only steady-state experiments are performed. From physical considerations alone, it is obvious that the linearized constitutive relationships cannot be complete, in and of themselves.
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Bieliski, Henryk, and Jarosaw Mikielewicz. "Natural Circulation in Single and Two Phase Thermosyphon Loop with Conventional Tubes and Minichannels." In Heat Transfer - Mathematical Modelling, Numerical Methods and Information Technology. InTech, 2011. http://dx.doi.org/10.5772/13768.

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Stanton, John, and Craig Prescott. "6. The royal prerogative and constitutional conventions." In Public Law. Oxford University Press, 2018. http://dx.doi.org/10.1093/he/9780198722939.003.0006.

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This chapter explores the historical, legal, and political nature of the Crown and the royal prerogative. The rule of law requires that the government act according to the law, which means that the powers of the government must be derived from the law. However, within the UK Constitution, some powers of the government are part of the royal prerogative, as recognised by the common law. The concepts of the Crown and the royal prerogative mean that although the Queen is Head of State, it is generally the ministers who form the government that exercise the prerogative powers of the Crown. For this reason, many prerogative powers are often referred to as the ‘ministerial prerogatives’, and the few prerogative powers still exercised personally by the monarch, are referred to as the ‘personal prerogatives’.
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Stanton, John, and Craig Prescott. "6. The royal prerogative and constitutional conventions." In Public Law. Oxford University Press, 2020. http://dx.doi.org/10.1093/he/9780198852278.003.0006.

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This chapter explores the historical, legal, and political nature of the Crown and the royal prerogative. The rule of law requires that the government act according to the law, which means that the powers of the government must be derived from the law. However, within the UK Constitution, some powers of the government stem from the royal prerogative, as recognized by the common law. The concepts of the Crown and the royal prerogative mean that although the Queen is Head of State, it is generally the ministers who form the government that exercise the prerogative powers of the Crown. For this reason, many prerogative powers are often referred to as the ‘ministerial prerogatives’, and the few prerogative powers still exercised personally by the monarch, are referred to as the ‘personal prerogatives’.
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Freestone, David. "Can We Save the Blue Half of Our Planet?" In Our Earth Matters. IOS Press, 2021. http://dx.doi.org/10.3233/stal210017.

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We already know that the ocean is at a crisis point. For the last twenty years and more, scientific report after report has flagged the increasing decline of ocean biodiversity and the damaging impacts of human activities – including over-extraction of resources and pollution, by plastic, of course, but overwhelmingly by anthropogenic climate change. It is only by allowing wildness to return – allowing natural ecosystems to return and heal themselves can we save the planet from ourselves. There are already two complex legal regimes governing both the ocean and climate change: the 1982 UN Convention on the Law of the Sea (LOSC) and the 1992 UN Framework Convention on Climate Change (UNFCCC). However, it appears, “the Law of the Sea and the Climate Change regimes are two of the giants of the international law treaty arena, yet … they appear like ships that pass in the night.” How do we move forward on saving the blue half of our endangered planet?
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Kempfert, Jörg, and Thomas Walther. "Aortic valve: Conventional valve replacement and transcatheter valve implantation." In Core Concepts in Cardiac Surgery. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198735465.003.0005.

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The natural history of untreated severe aortic valve stenosis (AS), with an average survival of 3 years after the onset of angina or syncope and only 1½ years after onset of heart failure, strongly suggests early surgical therapy which represents the only curative option. Since the first pioneering work in the early 1960s, conventional aortic valve replacement (AVR) has become a routine procedure performed more than 200,000 times annually worldwide. The surgical technique of AVR has evolved to a highly standardized procedure resulting in excellent outcome and patient safety. Transcatheter techniques have emerged in the last decade allowing for valve implantation with avoidance of important complications of major surgery particularly in high-risk patients. However, potential drawbacks and procedure-related complications remain important. The techniques and technologies continue to emerge and improve. Conventional surgery, valve substitutes, and transcatheter technologies are discussed in this chapter.
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Das, Somnath. "Analysis of Non-Traditional Machining Processes Using Machine Learning." In Machine Learning Applications in Non-Conventional Machining Processes. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-3624-7.ch012.

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The nature of manufacturing systems faces increasingly complex dynamics to meet the demand for high quality products efficiently. One area, which experienced rapid development in terms not only of promising results but also of usability, is machine learning. New developments in certain domains such as mathematics, computer science, and the availability of easy-to-use tools, often freely available, offer great potential to transform the non-traditional machining domain and its understanding of the increase in manufacturing data. However, the field is very broad and even confusing, which presents a challenge and a barrier that hinders wide application. Here, this chapter helps to present an overview of the available machine learning techniques for improving the non-traditional machining process area. It provides a basis for the subsequent argument that the machine learning is a suitable tool for manufacturers to face these challenges head-on in non-traditional machining processes.
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Sajid Arshad, Muhammad, Waseem Khalid, Rabia Shabir Ahmad, et al. "Functional Foods and Human Health: An Overview." In Functional Foods [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99000.

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Functional food is a whole ingredient or a part of food that used as food for specific therapeutic purposes. It is divided into two wide categories: Conventional and modified functional foods. Conventional functional Foods are composed of natural or whole-food ingredients that provide functional substances while modified functional is food or food products in which add additional ingredients for specific health purposes. Plant-based food such as fruits, vegetables, herbs, cereals, nuts and beans contain vitamins, minerals, fiber, omega-3 fatty acids, antioxidants and phenolic compounds that play a functional role in the human body against chronic diseases including cancer, cardiovascular and GIT-related disease. Some other foods or food products like juices, dairy products, fortified eggs and seafood are composed of functional components. Fish contain omega-3 fatty acids (EPA and DHA) that are played a functional role in heart health and brain development.
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Conference papers on the topic "Heat - Convention, Natural"

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Cooper, Thomas A., and James S. Wallace. "Design of a 200 kWe Solar Thermal Power Plant for Ontario." In ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54216.

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A preliminary design and feasibility study has been conducted for a 200 kWe solar thermal power plant for operation in Ontario. The objective of this study is to assess the feasibility of small-scale commercial solar thermal power production in areas of relatively low insolation. The design has been developed for a convention centre site in Toronto, Ontario. The plant utilizes a portion of the large flat roof area of the convention centre to accommodate the collector array. Each power plant module provides a constant electrical output of 200 kWe throughout the year. The system is capable of ma
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Richards, G., J. Samuel, A. S. Shelegov, P. L. Kirillov, I. L. Pioro, and G. Harvel. "Experimental Study of Heat Transfer in a 7-Element Bundle Cooled With Supercritical Freon-12." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54531.

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Experimental data on SuperCritical-Water (SCW) cooled bundles are very limited. Major problems with performing such experiments are technical difficulties in testing and experimental costs at high pressures, temperatures and heat fluxes. Also, there are only a few SCW experimental setups currently in the world capable of providing data. SuperCritical Water-cooled nuclear Reactors (SCWRs), as one of the six concepts of Generation IV reactors, cannot be designed without such data. Therefore, a preliminary approach uses modeling fluids such as carbon dioxide and refrigerants instead of water are
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Smalc, Martin, Gary Shives, Gary Chen, Shrishail Guggari, Julian Norley, and R. Andy Reynolds. "Thermal Performance of Natural Graphite Heat Spreaders." In ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/ipack2005-73073.

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Heat spreaders can be made from natural graphite sheet materials. These spreaders take advantage of the anisotropic thermal properties of natural graphite. Natural graphite exhibits a high thermal conductivity in the plane of the sheet combined with a much lower thermal conductivity through the thickness of the sheet. As a result, a natural graphite sheet can function as both a heat spreader and an insulator and can be used to eliminate localized hot spots in electronic components. In some cases, a natural graphite heat spreader can replace a conventional thermal management system consisting o
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Han, Zenghu, and Bao Yang. "Natural Convective Heat Transfer of Water-in-FC72 Nanoemulsion Fluids." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52351.

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The use of SOLID-particles has long been a common way of increasing fluid thermal conductivity. In this paper, nanoemulsion fluids—dispersions of LIQUID-nanodroplets—are proposed. As an example, water-in-FC72 nanoemulsion fluids are developed, and their thermophysical properties and impact on natural convective heat transfer are investigated experimentally. A significant increase in thermal conductivity—up to 52% for 12vol% of water nanodroplets (or 7.1 wt%)—is observed in the fluids. The enhancement in conductivity and viscosity of the fluids is found to be nonlinear with water loading, indic
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Rubio-Jimenez, Carlos Alberto, Abel Hernandez-Guerrero, Jose Cuauhtemoc Rubio-Arana, and Satish Kandlikar. "Natural Patterns Applied to the Design of Microchannel Heat Sinks." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12047.

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The present work shows a study developed of the thermal and hydrodynamic behaviors present in microchannel heat sinks formed by non-conventional arrangements. These arrangements are based on patterns that nature presents. There are two postulates that model natural forms in a mathematical way: the Allometric Law and the Biomimetic Tendency. Both theories have been applied in the last few years in different fields of science and technology. Using both theories, six models were analyzed (there are three cases proposed and both theories are applied to each case). Microchannel heat sinks with spli
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Remella, Karthik S., Frank M. Gerner, and Ahmed Shuja. "Steady State Parametric Modeling of Non-Conventional Loop Heat Pipes." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63991.

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Loop Heat Pipes (LHPs) are used in many thermal management applications, especially for micro-electronics cooling, because of their ability to passively transport thermal energy from a source to a sink. This paper describes the development of a parametric model for a non-conventional LHP operating in steady state, employed to cool Light Emitting Diodes (LEDs). This device is comprised of a flat evaporator, and a finned circular loop wherein condensation and sub-cooling of the working fluid takes place. Unlike a conventional LHP, this device has no compensation chamber. In the mesh screen of th
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Smalc, Martin, Prathib Skandakumaran, and Julian Norley. "Thermal Performance of Natural Graphite Heat Spreaders With Embedded Thermal Vias." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33215.

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Natural graphite heat spreaders are in use in electronic cooling applications where heat flux density is low. Natural graphite is an anisotropic material, with a high thermal conductivity in the plane of the spreader combined with a much lower thermal conductivity through its thickness. This low through-thickness thermal conductivity poses a problem when attempting to cool heat sources with relatively high heat flux densities. This problem can be overcome by embedding a thermal via in the graphite material. This via is made from an isotropic material with a thermal conductivity significantly h
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Do, Kyu Hyung, Tae Hoon Kim, Sung Jin Kim, and Seok Pil Jang. "Study on a Cooling System for a Concentrating Photovoltaic Module." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22412.

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A concentrating photovoltaic (CPV) module, which mainly consists of optical concentrator or collector, solar cell, cooling system, can produce electricity from sunlight at a lower cost than conventional photovoltaic system by the replacement of expensive photovoltaic area with less expensive concentrating mirrors or lenses. However, concentration of sunlight onto photovoltaic cells causes the cell temperature to rise unless the heat is efficiently dissipated to the environment. Therefore, a cooling system is an essential part to prevent both short-term and long-term degradation of the CPV modu
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Ott, R. D., A. Zaltash, and J. W. Klett. "Utilization of a Graphite Foam Radiator on a Natural Gas Engine-Driven Heat Pump." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33348.

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A natural gas engine-driven heat pump was outfitted with a graphite foam radiator to demonstrate its thermal efficiency and compare it with that of a conventional radiator. A sequence of tests was performed with the graphite foam radiator operating in series with the standard aluminum radiator. Most aluminum air-to-water radiators exhibit an overall heat transfer coefficient up to 100 W/(m2·K). Laboratory experiments have demonstrated that a graphite foam radiator can achieve an overall heat transfer coefficient up to an order of magnitude larger. The mesophase pitch derived graphite foam is a
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Emerson, David R., and Robert W. Barber. "Designing Efficient Microvascular Networks Using Conventional Microfabrication Techniques." In ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASMEDC, 2009. http://dx.doi.org/10.1115/mnhmt2009-18312.

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The ability to fabricate networks of micro-channels that obey the biological properties of bifurcating structures found in nature suggests that it is possible to construct artificial vasculatures or bronchial structures. These devices could aid in the desirable objective of eliminating many forms of animal testing. In addition, the ability to precisely control hydraulic conductance could allow designers to create specific concentration gradients that would allow biologists to correlate the behavior of cells. In 1926, Murray found that there was an optimum branching ratio between the diameters
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