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Temperature pervasively impacts the phenotypes and distributions of organisms. These thermal effects generate strong selective pressures on behaviour, physiology, and life history when environmental temperatures vary over space and time. Despite this fact, progress toward a quantitative theory of thermal adaptation has lagged behind empirical descriptions of patterns and processes. This book draws on current evolutionary paradigms (optimization, quantitative genetics, and genetic algorithms) to establish a theory of thermal adaptation. It initially focuses on simple models that describe the evolution of thermosensitivity, thermoregulation, or acclimation. Later chapters focus on more complex models describing the coadaptation of traits or the coevolution of species. Throughout the book, various lines of evidence are used to question the major assumptions of these models. Furthermore, the predictions of these models are confronted with experimental and comparative data. Empirical examples represent a wide range of taxa, including bacteria, plants, fungi, and animals. The result is a synthesis of theoretical and empirical studies of thermal biology that offers insights about evolutionary processes.

From a literature review, various concepts and methodologies useful for the development of the preliminary stages of planning and design of a ground source heat pump were documented. A prototype of a cooling system for a room in the Universidad EIA was proposed. The heat pump selected to supply the demand has a power of 1-9 kW, and the proposed heat exchanger system corresponds to a closed-loop horizontal slinky-type with an approximate pipe length of 1,301 m, which was calculated through Excel spreadsheets and configured in three or six trenches with a total area required for the installation of 911 and 952 m2, respectively. These results provide the initial conditions for the implementation of an air conditioning project at the site, using shallow geothermal energy. Other alternatives for the heat exchanger systems and considerations for future projects are also presented.

Objective: The objective of this study is to present how heat waves in India are discussed by the media, to observe if they are being related to climate change.   Theoretical Framework: The theoretical framework for this study is based on the intersection of media studies, climate science, and disaster management.   Method: This study employs content analysis to examine how heat waves in India are discussed in the media, particularly in relation to climate change. It was studied 100 news available on-line in Google News.   Results and Discussion: The results indicated that while climate change is frequently mentioned in the context of heat waves, the depth and context of these mentions vary significantly. Media reports tend to focus on immediate impacts such as health issues and infrastructure disruptions. For instance, there were numerous mentions of heat-related deaths, hospitalizations, and interruptions in water and electricity supplies. However, there was less emphasis on long-term solutions and comprehensive adaptation strategies.   Research Implications: This study highlights the importance of media coverage in shaping public understanding and policy responses to climate change and extreme weather events.   Originality/Value: This study contributes to the existing literature by providing a detailed analysis of how heat waves in India are framed in the media, particularly in relation to climate change.

Introduction: Laser treatment of biological tissue generates significant heat, which can lead to thermal damage if not properly controlled. Cooling systems play a critical role in minimizing this risk. Objective: The objective of this study was to evaluate the temperature distribution in biological tissue during laser treatment and to analyze the effectiveness of an air-cooled heat exchanger in controlling excessive heating. Methodology: A transient thermal analysis was carried out to simulate the combined process of laser irradiation and air-cooling. In parallel, experimental tests were conducted to validate the numerical predictions. Results: The findings indicated that, in the absence of cooling, the tissue surface temperature exceeded 85 °C, creating a risk of thermal injury. With the integration of the air-cooled heat exchanger, the maximum surface temperature was reduced to 72.4 °C, while the temperature at a 2 mm depth was maintained at 58.2 °C. The cooling system promoted a rapid post-exposure temperature drop and limited the temperature gradient between surface and deeper layers to 8–12 °C. Discussion: The results demonstrated consistency with existing literature on the importance of cooling techniques in medical laser applications. The cooling mechanism not only improved heat dissipation but also reduced the risk of overheating compared with previously reported systems. Conclusions: This study confirmed that precise thermal management is essential for safe and efficient laser treatment. The integration of an air-cooled heat exchanger enhances treatment efficiency and minimizes tissue damage. Introducción: El tratamiento con láser de tejidos biológicos genera un calor considerable, lo que puede provocar daños térmicos si no se controla adecuadamente. Los sistemas de refrigeración desempeñan un papel fundamental para minimizar este riesgo. Objetivo: El objetivo de este estudio fue evaluar la distribución de temperatura en el tejido biológico durante un tratamiento con láser y analizar la eficacia de un intercambiador de calor refrigerado por aire en el control del sobrecalentamiento. Metodología: Se realizó un análisis térmico transitorio para simular el proceso combinado de irradiación láser y enfriamiento por aire. Paralelamente, se llevaron a cabo pruebas experimentales para validar las predicciones numéricas. Resultados: Los hallazgos indicaron que, en ausencia de refrigeración, la temperatura superficial del tejido superaba los 85 °C, lo que generaba un riesgo de lesión térmica. Con la incorporación del intercambiador de calor refrigerado por aire, la temperatura máxima en la superficie se redujo a 72,4 °C, mientras que a 2 mm de profundidad se mantuvo en 58,2 °C. El sistema de refrigeración favoreció una rápida disminución de la temperatura tras la exposición y limitó el gradiente térmico entre la superficie y las capas más profundas a 8–12 °C. Discusión: Los resultados mostraron coherencia con la literatura existente sobre la importancia de las técnicas de refrigeración en aplicaciones médicas con láser. El mecanismo de enfriamiento no solo mejoró la disipación del calor, sino que también redujo el riesgo de sobrecalentamiento en comparación con sistemas reportados previamente. Conclusiones: Este estudio confirmó que una gestión térmica precisa es esencial para un tratamiento con láser seguro y eficaz. La integración de un intercambiador de calor refrigerado por aire mejora la eficiencia del tratamiento y minimiza el daño tisular. Introdução: O tratamento com laser de tecidos biológicos gera um calor considerável, que pode provocar danos térmicos se não for controlado adequadamente. Os sistemas de refrigeração desempenham um papel fundamental para minimizar este risco. Objectivo: O objectivo deste estúdio foi avaliar a distribuição da temperatura no tecido biológico durante um tratamento com laser e analisar a eficácia de um permutador de calor arrefecido a ar no controlo do sobreaquecimento. Metodologia: Foi realizada uma análise térmica transitória para simular o processo combinado de irradiação laser e arrefecimento por ar. Paralelamente, foram levados ao cabo testes experimentais para validar as previsões numéricas. Resultados: Os hallazgos indicam que, em ausência de refrigeração, a temperatura superficial do tecido ultrapassa os 85 °C, o que gera um risco de lesão térmica. Com a incorporação do permutador de calor arrefecido a ar, a temperatura máxima à superfície é reduzida para 72,4 °C, enquanto 2 mm de profundidade é mantida a 58,2 °C. O sistema de refrigeração favoreceu uma rápida diminuição da temperatura para além da exposição e limitou o gradiente térmico entre a superfície e as capas mais profundas a 8–12 °C. Discussão: Os resultados mostram coerência com a literatura existente sobre a importância das técnicas de refrigeração em aplicações médicas com laser. O mecanismo de arrefecimento não só melhorou a dissipação de calor, como também reduziu o risco de sobreaquecimento em comparação com os sistemas anteriormente reportados. Conclusões: Este estudo confirmou que uma gestão térmica precisa é essencial para um tratamento com laser seguro e eficaz. A integração de um permutador de calor arrefecido a ar melhora a eficiência do tratamento e minimiza os danos nos tecidos.

This book takes users on a step-by-step guide to the design of heat exchangers in daily practice, showing how to determine the effective driving temperature difference for heat transfer. Users will learn how to calculate heat transfer coefficients for convective heat transfer, condensing, and evaporating using simple equations. Dew and bubble points and lines are covered, with all calculations supported with examples. This practical guide is designed to help engineers solve typical problems they might encounter in their day-to-day work, and will also serve as a useful reference for students learning about the field. The book is extensively illustrated with figures in support of the text and includes calculation examples to ensure users are fully equipped to select, design, and operate heat exchangers.

Geothermal heat is a viable source of energy and its environmental impact in terms of CO2 emissions is significantly lower than conventional fossil fuels. Shallow geothermal systems are increasingly utilized for heating and cooling of buildings and greenhouses. However, their utilization is inconsistent with the enormous amount of energy available underneath the surface of the earth. Projects of this nature are not getting the public support they deserve. For this energy field to have a better competitive position in the renewable energy market, it is vital that engineers acquire computational tools, which are accurate, versatile and efficient. This book aims at attaining such tools.

The role of behavioral ecology in improving wildlife conservation and management has been the subject of much recent debate. We sought to answer 2 foundational questions about the current use of behavioral knowledge in conservation: To what extent is behavioral knowledge used in wildlife conservation and management, and how does the use of animal behavior differ among conservation fields in both frequency and types of use? We searched the literature for intersections between key fields of animal behavior and conservation and created a systematic heat map (i.e., graphical representation of data where values are represented as colors) to visualize relative efforts. Some behaviors, such as dispersal and foraging, were commonly considered (mean [SE] of 1147.38 [353.11] and 439.44 [108.85] papers per cell, respectively). In contrast, other behaviors, such as learning, social, and antipredatory behaviors were rarely considered (mean [SE] of 33.88 [7.62], 44.81 [10.65], and 22.69 [6.37] papers per cell, respectively). In many cases, awareness of the importance of behavior did not translate into applicable management tools. Our results challenge previous suggestions that there is little association between the fields of behavioral ecology and conservation and reveals tremendous variation in the use of different behaviors in conservation. We recommend that researchers focus on examining underutilized intersections of behavior and conservation themes for which preliminary work shows a potential for improving conservation and management, translating behavioral theory into applicable and testable predictions, and creating systematic reviews to summarize the behavioral evidence within the behavior-conservation intersections for which many studies exist. El papel de la ecología conductual en el mejoramiento de la conservación y el manejo de la fauna ha sido sujeto recientemente a muchas discusiones. Buscamos responder dos preguntas fundamentales acerca del uso actual del conocimiento conductual en la conservación: ¿Hasta qué punto se utiliza el conocimiento conductual en la conservación y manejo de la fauna y cómo difiere el uso del comportamiento animal, tanto en frecuencia como en tipos de uso, entre las áreas de conservación? En la literatura buscamos intersecciones entre áreas clave de la conservación y el comportamiento animal y creamos un mapa sistemático de calor (es decir, una representación gráfica de los datos en la que los valores se representan con colores) para visualizar los esfuerzos relativos. Algunos comportamientos, como la dispersión y el forrajeo, se consideraron como comunes (media [SE] de 114.38 [353.11] y 439.44 [108.85] artículos por celda, respectivamente). En contraste, otros comportamientos como el aprendizaje y las conductas sociales y anti-depredadores se consideraron como raras (media [SE] de 33.88 [7.62], 44.81 [10.65] y 22.69 [6.37] artículos por celda, respectivamente). En muchos casos, la detección de la importancia del comportamiento no se tradujo en una herramienta aplicable de manejo. Nuestros resultados presentan un reto a las sugerencias previas de que existe poca asociación entre las áreas de la ecología conductual y la conservación y revelan una variación tremenda en el uso de diferentes comportamientos dentro de la conservación. Recomendamos que los investigadores se enfoquen en examinar intersecciones sub-utilizadas de temas de comportamiento y conservación para los que el trabajo preliminar muestre un potencial para mejorar la conservación y el manejo; traduzcan la teoría conductual a predicciones aplicables y evaluables; y creen revisiones sistemáticas para resumir la evidencia conductual dentro las intersecciones de comportamiento-conservación para las que existen muchos estudios.

\"This book serves as a training tool for individuals in industry and academia involved with heat transfer applications. Although the literature is inundated with texts emphasizing theory and theoretical derivations, the goal of this book is to present the subject of heat transfer from a strictly pragmatic point of view.The book is divided into four Parts: Introduction, Principles, Equipment Design Procedures and Applications, and ABET-related Topics. The first Part provides a series of chapters concerned with introductory topics that are required when solving most engineering problems, including those in heat transfer. The second Part of the book is concerned with heat transfer principles. Topics that receive treatment include Steady-state Heat Conduction, Unsteady-state Heat Conduction, Forced Convection, Free Convection, Radiation, Boiling and Condensation, and Cryogenics. Part three (considered the heart of the book) addresses heat transfer equipment design procedures and applications. In addition to providing a detailed treatment of the various types of heat exchangers, this part also examines the impact of entropy calculations on exchanger design, and operation, maintenance and inspection (OM&I), plus refractory and insulation effects. The concluding Part of the text examines ABET (Accreditation Board for Engineering and Technology) related topics of concern, including economies and finance, numerical methods, open-ended problems, ethics, environmental management, and safety and accident management\"--

In this work we deal with linear second order partial differential operators of the following type:

Urban pavements, covering up to 40% of cities, intensify the Urban Heat Island (UHI) phenomenon by impeding rainwater infiltration and absorbing solar radiation. High pavement temperatures increase urban energy demand and pollution. One important factor affecting pavement temperature is albedo. The higher the albedo, the less solar irradiation the pavement absorbs, and the cooler it remains. This study evaluates TiO2 incorporated into asphalt to enhance albedo. The thermal response of conventional and TiO2-modified pavements was monitored under natural sunlight. Opto-thermal properties were measured initially and after twelve months of outdoor exposure. An energy balance quantified the heat amount released to the environment for both pavements. Results demonstrate TiO2 effectiveness in reducing heat storage and improving radiative cooling over time. Additionally, the mechanical and rheological impacts of TiO2 on asphalt binders were analyzed. Cool pavements with TiO2 emerge as a viable UHI mitigation strategy, offering energy savings and enhanced urban sustainability. Los pavimentos urbanos, que cubren hasta el 40% de las ciudades, intensifican el fenómeno de la Isla de Calor Urbana (ICU) al impedir la infiltración de agua de lluvia y absorber la radiación solar. Las altas temperaturas del pavimento aumentan la demanda energética urbana y la contaminación. Un factor importante que afecta la temperatura del pavimento es el albedo. Cuanto mayor es el albedo, menor es la radiación solar que absorbe el pavimento y más frío se mantiene. Este estudio evalúa el TiO2 incorporado al asfalto para mejorar el albedo. Se monitoreó la respuesta térmica de los pavimentos convencionales y modificados con TiO2 bajo la luz solar natural. Se midieron las propiedades opto-térmicas inicialmente y después de doce meses de exposición al aire libre. Un balance energético cuantificó la cantidad de calor liberado al ambiente para ambos pavimentos. Los resultados demuestran la eficacia del TiO2 para reducir el almacenamiento de calor y mejorar el enfriamiento radiativo con el tiempo. Además, se analizaron los impactos mecánicos y reológicos del TiO2 en los ligantes asfálticos. Los pavimentos fríos con TiO2 surgen como una estrategia viable de mitigación de UHI, que ofrece ahorros de energía y una mayor sostenibilidad urbana.