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Primary and secondary solar concentrators are of vital importance for advanced solar energy and solar laser researches. Some of the most recent developments in primary and secondary solar concentrators were firstly presented. A novel three-dimensional elliptical-shaped Fresnel lens analytical model was put forward to maximize the solar concentration ratio of Fresnel-lens-based solar concentrators. By combining a Fresnel lens with a modified parabolic mirror, significant improvement in solar laser efficiency was numerically calculated. A fixed fiber light guide system using concave outlet concentrators was proposed. The absence of a solar tracking structure highlights this research. By shaping a luminescent solar concentrators in the form of an elliptic array, its emission losses was drastically reduced. Simple conical secondary concentrator was effective for thermal applications. New progresses in solar-pumped lasers by NOVA University of Lisbon were presented. By adopting a rectangular fused silica light guide, 40 W maximum solar laser power was emitted from a single Ce:Nd:YAG rod. An aspheric fused silica secondary concentrator and a small diameter Ce:Nd:YAG rod were essential for attaining 4.5 % record solar-to-laser power conversion efficiency. A novel solar concentrator design for the efficient production of doughnut-shaped and top-hat solar laser beams were also reported. More importantly, a novel solar concentrator approach for the emission of 5 kW-class TEM00 mode solar laser beams from one megawatt solar furnace was put forward at the end of this book, revealing promising future for solar-pumped lasers.

Technology: general issues --- History of engineering & technology --- luminescent solar concentrator --- solar spectrum splitter --- power generation in space --- microalgae --- beam merging --- multirod --- Nd:YAG --- solar furnace --- solar flux homogenizer --- solar laser --- TEM00-mode --- solar pumping --- twisted light guide --- top hat --- doughnut-shaped --- nanofluid --- conical concentrator system --- performance comparison --- thermal efficiency --- Fresnel lens --- Gaussian source --- groove number --- solar flux --- optical efficiency --- full width at half maximum --- concentrator --- light guide --- optical fiber solar system --- solar daylighting --- laser --- parabolic mirror --- solar concentrator --- collecting efficiency --- conical solar concentrator --- performance analysis --- solar energy --- Ce:Nd:YAG --- aspherical lens --- side-pumped --- uniformity --- light-guide --- homogenizer --- solar-pumped laser --- laser efficiency

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This second Special Issue connects both the fundamental and application aspects of thermomechanical machines and processes. Among them, engines have the largest place (Diesel, Lenoir, Brayton, Stirling), even if their environmental aspects are questionable for the future. Mechanical and chemical processes as well as quantum processes that could be important in the near future are considered from a thermodynamical point of view as well as for applications and their relevance to quantum thermodynamics. New insights are reported regarding more classical approaches: Finite Time Thermodynamics F.T.T.; Finite Speed thermodynamics F.S.T.; Finite Dimensions Optimal Thermodynamics F.D.O.T. The evolution of the research resulting from this second Special Issue ranges from basic cycles to complex systems and the development of various new branches of thermodynamics.

Research & information: general --- combined cycle --- inverse Brayton cycle --- regenerative Brayton cycle --- power output --- thermal efficiency --- finite time thermodynamics --- closed simple Brayton cycle --- power density --- ecological function --- multi-objective optimization --- quantum thermodynamics --- quantum circuit --- open quantum system --- isothermal process --- IBM quantum computer --- Stirling refrigerator --- thermodynamic analysis --- numerical model --- imperfect regeneration --- irreversible Lenoir cycle --- cycle power --- heat conductance distribution --- performance optimization --- irreversible Carnot engine --- optimization --- thermodynamics with finite speed --- internal and external irreversibilities --- entropy generation calculation --- thermodynamics in finite time --- irreversible Diesel cycle --- Carnot cycle --- Carnot efficiency --- thermal entropy --- chemical entropy --- mechanical entropy --- thermal exergy --- chemical exergy --- mechanical exergy --- metabolic reactions --- Carnot engine --- Chambadal model --- entropy production action --- efficiency at maximum power

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The advancements in research related to heat transfer has gathered much attention in recent decades following the quest for efficient thermal systems, interdisciplinary studies involving heat transfer, and energy research. Heat transfer, a fundamental transport phenomenon, has been considered one of the critical aspects for the development and advancement of many modern applications, including cooling, thermal systems which contain symmetry analysis, energy conservation and storage, and symmetry-preserving discretization of heat transfer in a complex turbulent flow. The objective of this book is to present recent advances, as well as up-to-date progress in all areas of heat transfer in engineering and its influence on emerging technologies.

Technology: general issues --- History of engineering & technology --- heat generation --- internal short --- lithium-ion --- nail penetration --- temperature --- thermal abuse --- adaptive neuro-fuzzy interface system --- artificial neural network --- current --- power --- thermal efficiency --- thermoelectric generator system --- waste heat recovery --- efficiency --- power generation --- thermal stress --- thermoelectric module --- cooling and heating mode --- heat pump --- high-pressure chiller --- light-duty commercial electric vehicle --- system performance --- truncated twisted tape --- secondary flow --- laminar convective heat transfer --- performance evaluation criterion --- CFD --- heat exchanger --- cooling --- Lorentz force --- magnetohydrodynamics --- microchannel --- MHD pump --- thermoelectric system --- real-time polymerase chain reaction --- battery --- heating performance --- HVAC --- parallel --- serial --- economic --- energy saving --- hot water --- internal combustion engine --- waste heat --- heat transfer characteristics --- hybrid nanofluid --- performance evaluation criteria --- single particle nanofluid --- uniformly heated tube --- Bejan number --- microplate heat exchanger --- particle shape --- performance index --- thermodynamic analysis

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The advancements in research related to heat transfer has gathered much attention in recent decades following the quest for efficient thermal systems, interdisciplinary studies involving heat transfer, and energy research. Heat transfer, a fundamental transport phenomenon, has been considered one of the critical aspects for the development and advancement of many modern applications, including cooling, thermal systems which contain symmetry analysis, energy conservation and storage, and symmetry-preserving discretization of heat transfer in a complex turbulent flow. The objective of this book is to present recent advances, as well as up-to-date progress in all areas of heat transfer in engineering and its influence on emerging technologies.

heat generation --- internal short --- lithium-ion --- nail penetration --- temperature --- thermal abuse --- adaptive neuro-fuzzy interface system --- artificial neural network --- current --- power --- thermal efficiency --- thermoelectric generator system --- waste heat recovery --- efficiency --- power generation --- thermal stress --- thermoelectric module --- cooling and heating mode --- heat pump --- high-pressure chiller --- light-duty commercial electric vehicle --- system performance --- truncated twisted tape --- secondary flow --- laminar convective heat transfer --- performance evaluation criterion --- CFD --- heat exchanger --- cooling --- Lorentz force --- magnetohydrodynamics --- microchannel --- MHD pump --- thermoelectric system --- real-time polymerase chain reaction --- battery --- heating performance --- HVAC --- parallel --- serial --- economic --- energy saving --- hot water --- internal combustion engine --- waste heat --- heat transfer characteristics --- hybrid nanofluid --- performance evaluation criteria --- single particle nanofluid --- uniformly heated tube --- Bejan number --- microplate heat exchanger --- particle shape --- performance index --- thermodynamic analysis

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

The advancements in research related to heat transfer has gathered much attention in recent decades following the quest for efficient thermal systems, interdisciplinary studies involving heat transfer, and energy research. Heat transfer, a fundamental transport phenomenon, has been considered one of the critical aspects for the development and advancement of many modern applications, including cooling, thermal systems which contain symmetry analysis, energy conservation and storage, and symmetry-preserving discretization of heat transfer in a complex turbulent flow. The objective of this book is to present recent advances, as well as up-to-date progress in all areas of heat transfer in engineering and its influence on emerging technologies.

Technology: general issues --- History of engineering & technology --- heat generation --- internal short --- lithium-ion --- nail penetration --- temperature --- thermal abuse --- adaptive neuro-fuzzy interface system --- artificial neural network --- current --- power --- thermal efficiency --- thermoelectric generator system --- waste heat recovery --- efficiency --- power generation --- thermal stress --- thermoelectric module --- cooling and heating mode --- heat pump --- high-pressure chiller --- light-duty commercial electric vehicle --- system performance --- truncated twisted tape --- secondary flow --- laminar convective heat transfer --- performance evaluation criterion --- CFD --- heat exchanger --- cooling --- Lorentz force --- magnetohydrodynamics --- microchannel --- MHD pump --- thermoelectric system --- real-time polymerase chain reaction --- battery --- heating performance --- HVAC --- parallel --- serial --- economic --- energy saving --- hot water --- internal combustion engine --- waste heat --- heat transfer characteristics --- hybrid nanofluid --- performance evaluation criteria --- single particle nanofluid --- uniformly heated tube --- Bejan number --- microplate heat exchanger --- particle shape --- performance index --- thermodynamic analysis