thermal management IEEE PAPER
Extremely high thermal conductivity of graphene: Prospects for thermal managementapplications in nanoelectronic circuits
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The authors reported on investigation of the thermal conductivity of graphene suspended across trenches in Si/SiO2 wafer. The measurements were performed using a noncontact technique based on micro-Raman spectroscopy. The amount of power dissipated in
Event-driven energy accounting for dynamic thermal management
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If critical temperature is reached throttle the CPU (eg halt cycles, stop clock mechanism) or stop the processor executionBut: neglect of application-, user-or service-specific requirements due to missing online information about the originator of a specific
Battery thermal management in EV and HEVs: issues and solutions
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ABSTRACT Thermal management of batteries in electric vehicles (EVs) and hybrid electric vehicles (HEVs) is essential for effective operation in all climates. This has been recognized in the design of battery modules and packs for pre-production prototype or production EVs
HCCI engine control by thermal management
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ABSTRACT This work investigates a control system for HCCI engines, where thermal energy from exhaust gas recirculation (EGR) and compression work in the supercharger are either recycled or rejected as needed. HCCI engine operation is analyzed with a detailed
Power and thermal management in the Intelcore tm
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ABSTRACT The IntelCoreDuo processor is the first mobile processor that uses Chip Multi-Processing (CMP) on-die technology to maximize performance and minimize power consumption. This paper provides an overview of the power control unit and its impact on
A microjet array cooling system for thermal management of high-brightness LEDs
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Abstract:In this paper, a microjet-based cooling system is pro-posed for the thermal management of high-power light-emitting diodes (LEDs). Preliminary experimental investigation and numerical simulation on such an active cooling system are conducted. In
Dynamic thermal management for distributed systems
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1 TACS'04 Dynamic Thermal Management for Distributed Systems Andreas WeisselFrank Bellosa2 TACS'04 Benefits of Dynamic Thermal ManagementCooling servers, server clusters cooling facilities often dimensioned for worst-case temperatures or over provisioned
An approach for designing thermal management systems for electric and hybrid vehicle battery packs
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ABSTRACT If battery packs for electric vehicles (EVs) and hybrid electric vehicles (HEVs) are to operate effectively in all climates, thermal management of the packs is essential. In this paper, we will review a systematic approach for designing and evaluating battery pack
System-Based Evaporative Thermal Management of High Heat Flux Electronics
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This paper describes the development of embedded droplet impingement for integrated cooling of electronics (EDIFICE), which seeks to develop an integrated droplet impingement cooling device for removing chip heat fluxes over 100 W/cm2, employing latent heat of and carbon/carbon composites are described, and the future trends in the development and applications of composite thermal management materials are discussed. between microstructure and thermal conductivity in polycrystalline chemical
Reducing cold-start emissions by catalytic converter thermal management
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ABSTRACT Vacuum insulation and phase-change thermal storage have been used to enhance the heat retention of a prototype catalytic converter. Storing heat in the converter between trips allows exhaust gases to be converted more quickly, significantly reducing
Thermal management solutions utilizing high thermal conductivity graphite foams
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ABSTRACT The recent development of light weight foams has led to novel light weight high strength carbon based materials and structures. These materials exhibit very high specific strengths and low thermal conductivities. Likewise, the novel development of a very high
Battery thermal management system design modeling
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Abstract Battery thermal management is critical in achieving performance and extended life of batteries in electric and hybrid vehicles under real driving conditions. Appropriate modeling for predicting thermal behavior of battery systems in vehicles helps to make
Regeneration strategies for an enhanced thermal management of oxide diesel particulate filters
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ABSTRACT Diesel particulate filters are expected to be used on most passenger car applications designed to meet coming European emission standards, EU5 and EU6. Similar expectations hold for systems designed to meet US Tier 2 Bin 5 standards. Among the
Thermal Management Technical Working Group (TWG)
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Thermal management will play a pivotal role in the coming decade for all types of electronic products. Increased heat fluxes at all levels of packaging from chip to system to facility pose a major cooling challenge. To meet the challenge significant cooling technology
Applications and benefits of catalytic converter thermal management
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ABSTRACT A catalytic converter thermal management system (TMS) using variable- conductance vacuum insulation and phase-change thermal storage can maintain the converter temperature above its operating temperature for many hours, allowing most trips
Improved thermal management of mid-IR quantum cascade lasers
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The optimization of the active region design and the improvement in processing and mounting techniques allowed to fabricate GaInAs/AlInAs-based quantum cascade lasers (QCLs) operating in continuous wave (cw) at room temperature (RT) in the mid-infrared
Aluminum silicon carbide (AlSiC) microprocessor lids and heat sinks for integrated thermal management solutions
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Abstract The next generation microprocessor assemblies will require integrated thermal management design solutions as the device density and clock speeds increase. These solutions will include a heat spreader, or lid, that is in contact with the heat generating
Passive thermal management using phase change material (PCM) for EV and HEV Li-ion batteries
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Technology (IIT, Chicago, IL) have successfully demonstrated a passive thermal management system using phase change materials (PCM) in Li-ion batteries for electric vehicle and scooter applications. Thermal characterization of Li-ion battery modules using
LED thermal management
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Light Emitting Diodes (LEDs) have been around for years, primarily concentrated as the lighting source for a variety of applications. Besides their electrical properties the optical parameters of LEDs also depend on junction temperature. The junction temperature of the
Aluminum silicon carbide (AlSiC) for cost-effective thermal management and functional microelectronic packaging design solutions
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Abstract Aluminum Silicon Carbide (AlSiC) metal matrix composite (MMC) materials have a unique set of material properties that are ideally suited for electronic packaging applications requiring thermal management solutions. The AlSiC coefficient of thermal expansion (CTE
Development of a simulation model to analyze the effect of thermal management on battery life
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ABSTRACT Battery life and performance depend strongly on temperature; thus there exists a need for thermal conditioning in plug-in vehicle applications. The effectiveness of thermal management in extending battery life depends on the design of thermal management
Properties of SiC and AlN feedstocks for the powder injection moulding of thermal management devices
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Aluminium nitride (AlN) and silicon carbide (SiC) were chosen for the fabrication of thermal management devices due to their high thermal conductivity and coefficient of thermal expansion values equivalent to that of silicon and silicon carbide dies. Additionally,
Thermal management of hybrid vehicle battery systems
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Abstract Complete system design, including mechanical, electrical and thermal control, is critical to realize the benefits of Li-Ion technology in automotive batteries. In order to meet the technical requirements in a demanding automotive environment efficient thermal and
Analysis of heat transfer in consecutive variable cross-sectional domains: Applications in biological media and thermal management
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Temperature prescription and control is important within biological media and in bioheat transport applications such as in hyperthermia cancer treatment in which the unhealthy tissue/organ is subject to an imposed heat flux. Thermal transport investigation and
Thermal Management of High Performance Microprocessors
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ABSTRACT In deep sub-micron technologies, increased standby current in high performance processors will result in increased junction temperature. Evaluated temperature will have positive feedback on the standby current. If the temperature is not
Battery thermal management system of future electric vehicles with loop thermosyphon
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ABSTRACT This work reports the experimental results of the thermal management of a Li- ion battery system designed for a future hybrid and electric vehicles. Specially, the present thermal management system has adopted a loop thermosyphon cooling method for high
Aluminum Silicon Carbide (AlSiC) thermal management packaging for high density packaging applications
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Abstract High-density microelectronics require packaging materials and systems that provide superior thermal management and highly functional interconnection schemes for component performance and reliability. Aluminum Silicon Carbide (AlSiC) metal matrix
Microvisor: A Runtime Architecture for Thermal Management in Chip Multiprocessors.
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Abstract. In today's high performance computing environment, power density issues are at the forefront of design constraints. Many platforms integrate a diverse set of processing cores on the same die to fit small form factors. Due to the design limitations of using As the trend of highly integrated electronics and simultaneous miniaturization escalates to include faster processors, more functions, and higher bandwidths, electronics continue to become more compact in response to size limitations and strict reliability requirements.
A fully transient model for advanced engine thermal management
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ABSTRACT Cooling system design has a crucial role in defining engine performance and operational limits. Many further improvements can be obtained both in the precision in controlling temperatures of the various engine parts (especially during transient operation)
Microscale thermoelectric devices for energy harvesting and thermal management
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Abstract Superlattice material technologies in the Bi2Te3-material system can potentially enable efficient micro-scale thermoelectric devices for energy harvesting and active site- specific thermal management from~ 200K to~ 400K. The state-of-the-art in these thin film
An integrated thermal architecture for thermal management of high power electronics
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ABSTRACT: This paper presents a thermal architecture concept for analysis of thermal problems and solutions existing in electronics systems. The thermal problems are categorized into a total of seven levels from chip to system. Advanced thermal
Using Metal Core Printed Circuit Board (MCPCB) as a Solution for Thermal Management
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Thermal conductivity is a material property that describes the ability of a material to conduct heat after the heat has entered the material. As shown in Table 1, conventional PCB materials such as FR4 and PI share the lowest thermal conductivity and are not capable of
Thermal management and blood loss during hip arthroplasty
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Perioperative hypotermia is a common, but preventable complication of anaesthesia and surgery. Mild perioperative hypothermia increases the incidence of morbid myocardial outcomes, reduces resistance to surgical wound infections, and prolongs both The materials aspect of electronic packaging and thermal management is a rapidly developing area. This is especially true for composite materials; thus, the TMS/ASM Composites Committee held a two-session symposium-Novel Materials for Electronic
Decentralised voltage and thermal management to enable more distributed generation connection
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ABSTRACT This paper presents a decentralised control scheme of a distributed generator to actively respond to voltage and thermal issues in a distribution network. An operation scheme providing a local voltage control by adjusting the reactive power output of the
Basic thermal management of power semiconductors
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Thermal management of power semiconductors is often overlooked by design engineers, either through oversight, misconception, inexperience, or even perceived unimportance. Then it is only addressed when the system is ready for packaging and by that time, it may
Leakage and variation aware thermal management of nanometer scale ICs
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Abstract:For sub-100 nm CMOS technologies, leakage power forms a significant component of the total power dissipation, especially due to within-die and die-to-die variations in process (P), temperature (T) and supply voltage (V). Since leakage power
Near-junction thermal management: Thermal conduction in gallium nitride composite substrates
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ABSTRACT The thermal management challenge posed by gallium nitride (GaN) high- electron-mobility transistor (HEMT) technology has received much attention in the past decade. The peak amplification power density of these devices is limited by heat transfer
Thermal management of hybrid electrical vehicles using heat pipes
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Abstract In an effort to improve the fuel efficiency and to reduce emission levels of automobiles, the development of Hybrid Electrical Vehicles (HEVs) has been a major focus area of the automotive industry. The Centre of Automotive Engineering (CAE) at the Thecontinuing demand for increased electronic device performance has led to very large- scale integration (VLSI) circuil Iet: hnology, using complementary metal oxide semiconductor (CMOS), emitter-coupled logic (ECL) and dy· namic random· access memory (DRAM)
Thermal management analysis of a Lithium-ion battery pack using flow network approach
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Abstract-Among various issues that high power application lithium-ion (Li-ion) batteries are encountered, thermal issues have received more attention because of their potential to degrade battery performance. In the present work, a lumped capacitance heat transfer
Thermal management simulation for passenger cars-towards total vehicle analysis
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ABSTRACT A systematic study of simulating the air-cooling system of a passenger car under- hood was carried out. Simulations were performed using the Lattice-Boltzmann Method (LBM), this allowed efficient handling of the complex geometries, typical for passenger car
Thermal management of fujitsu's high-performance servers
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With the continued increase in power dissipation and power density of high-performance microprocessors, as well as requirements for high-density packaging and lower device junction temperatures, improvements of electronic cooling technologies have been
LEDs' thermal management aided by infrared thermography
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Abstract Investigation deals with LED's thermal management optimization in dependence of operating condition aided by application of infrared thermography. Thermal management calculations allow estimating temperature distribution on the LEDs, metal–core printed
Efficient Design Practices for Thermal Management of TSV based 3D IC System
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ISPD 2010, SF, CA Efficient Design Practices for ThermalManagement of TSV based 3D IC System Page 2. 2Introduction: TSV based 3D ICA Review of 3D IC ThermalManagement 3D IC Thermal EvaluationThermal Impact of TSV Arrays in Close Proximity to Hotspots
Holistic Vehicle Simulation Using Modelica An Application on Thermal Management and Operation Strategy for Electrified Vehicles
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Abstract The increasing electrification of the drive train in the automotive environment leads to higher requirements for automotive systems and their design. Therefore, a computer based methodology to support the engineer in the design phase of car concepts,
Thermal management of micro-hotplates using MEMCAD as simulation tool
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ABSTRACT In this paper we report on the electrothermal simulations performed in the aim of optimising the power consumption and the temperature distribution of microhotplates for gas sensing applications. The micro-hotplate designs were optimised using the software
Thermal management with solid-fluid slip irreversibility treatment in conjugate microdevices
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A numerical study of the effect of slip flow irreversibility and axial conduction in microdevices with a conjugate heat transfer between unmixed streams is presented. The effects of axial conduction due to parallel flows for thermal management in energy systems are
Current advances in the initial management of major thermal burns
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Despite better prevention, burns remain a major cause of traumatic injury world-wide affecting all ages. Nevertheless, survival after extensive burn injury has improved substantially over the last 30 years [1, 2]. This is due to a variety of factors including
Thermal management in embedded systems
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Abstract By designing a dynamic thermal management system using dynamic frequency scaling, based on the architecture of the Intel 80200 processor, this thesis project shows how thermal management systems can be retrofitted to current embedded devices. In
Tools for designing thermal management of batteries in electric drive vehicles
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Modeling Tools o First-order/lumped capacitance thermal and fluid models o 1-D and 2-D thermal and fluid-flow performance models o 1-D vehicle integrated thermal-flow models o 3- D electro-thermal models o 3-D electrochemical-thermal model o Computer-aided
Synjet thermal management technology increases led lighting system reliability
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Electronic system reliability is typically a function of ambient temperature [1]. In many systems, an increase in temperature by 10 C to 20 C will cut the lifetime in half. LEDs in solid state lighting are subject to the same decrease in lifetime and also their light output
Thermal Management and Control in Testing Packaged Integrated Circuit IC Devices
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ABSTRACT This paper describes the thermal management and design challenges of testing packaged integrated circuit (IC) devices, specifically device thermal conditioning and device- under-test (DUT) temperature control. The approach taken is to discuss the individual
Discontinuous Graphite Reinforced Aluminum, and Copper Alloys for High ThermalConductivity-Thermal Expansion Matched Thermal Management
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Thermal management has become a key enabling technology for next generation military and commercial electronics. Trends in electronics-system miniaturization (multichip packaging), increased power, higher frequency, and greater functionality has created a
Electric motor thermal management
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Area of Operation Transient Operating Limit Thermalmanagement is needed to reduce size and improve performance of electric motors.Electric Motors (APEEM)targetsIncrease publicly availatargets
Aluminum Silicon Carbide (AlSiC) for Thermal Management Solutions and Functional Packaging Designs
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Abstract Aluminum Silicon Carbide (AlSiC) metal matrix composite (MMC) materials have a unique set of material properties that are ideally suited for electronic packaging applications requiring thermal management. The AlSiC coefficient of thermal expansion (CTE) value is
Thermal management technology for IGBT modules
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ABSTRACT In power conversion systems that use IGBT modules, the thermal conductivity of the thermal grease utilized is designed as low as possible. As a result, the thermal grease thickness affects the IGBT chip temperature. This paper describes the effects of the
Thermal Management in a Coal-Based SOFC Hybrid Through Numerical Simulation
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September 12-14, 2006 ThermalManagement in a Coal-Based SOFC Hybrid Through Numerical SimulationProvide a relative comparison of methods commonly considered for thermal management in coal-based fuel cell turbine systemsPrevious work based on NG
Thermal management using planarized CVD-diamond substrates
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Abstract CVD diamond (CVDD) substrates offer an outstanding solution for various advanced electronic packaging applications such as high power 3-D MCMS, laser diodes, and high power MOSFETs. In the manufacturing of such substrates, various post-synthesis
Thermal mark technology for inseason fisheries management: a case study
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ABSTRACT: Effective management of wild and hatchery salmon stocks in Alaska requires rapid and accurate determination of each component in commercial mixed stock catches. Marking 100% of the hatchery fish with thermally induced bands on their otoliths can
Evaluation of the smartcooling (sc) library for the simulation of the thermal management of an internal combustion engine
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ABSTRACT The focus in this work is the evaluation and validation of the simulation model of a conventional thermal management for an internal combustion engine (ICE). A simulation software package for modeling thermal management of the ICE including mechanical and IEEE TRANSACTIONS ON COMPONENTS, HYBRIDS, AND MANUFACTURING TECHNOLOGY, VOL. 11, NO. 3, SEPTEMBER 1988 333 Correspondence. An Addendum and Correction to "Thermal Management of Air- and Liquid-Cooled Multichip Modules"
The role of controlled interfaces in the thermal management of copper carbon composites
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Electronic packaging refers to the protective features and safety devices that enable continued and efficient operation of electronic components, and does not refer to shipping containers. Electronic components typically refer to assemblage of resistors, capacitors,
Effects of Injection Pattern Design on Piston Thermal Management in an Opposed-Piston Two-Stroke Engine
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ABSTRACT This paper presents analytical and measured results on the effects of injection pattern design on piston thermal management in an Opposed-Piston, Two-Stroke (OP2S) diesel engine. The OP2S architecture investigated in this work comprises two opposing
Vascular design for thermal management of headted structures
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ABSTRACT Vascular structures are-contemplated for cooling the skins and leading surfaces of future high speed aircraft. This paper evaluates the proposal to cool witha ow architecture shaped as trees (dendritic) a parallelepipedic body that-is heated uniformly.
An adaptive temperature threshold schema for dynamic thermal management of multi-core processors
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Abstract-This paper presents an adaptive task migration threshold schema for dynamic thermal management of multicore processors to minimize both average and peak temperature with very low performance overhead. Our proposed algorithm adjusts
Enhanced thermal management AlSiC microprocessor lids
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Abstract Aluminum Silicon Carbide (AlSiC) heat spreaders and lids are being manufactured for both plastic and ceramic flip chip BGA assemblies. AlSiC was chosen because the coefficient of thermal expansion (CTE) could be tailored to reduce the thermally induced
Numerical modeling of spray cooling phenomena for thermal management of high power systems
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Abstract: A survey on the current status of computational modeling of spray cooling is reported. From the survey, it is concluded that modeling heat transfer of the spray effect on thin liquid film in the range of 70on a hot surface will help us to understand and
Granularity of microprocessor thermal management: a technical report
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Abstract Process technology scaling, poor supply voltage scaling and the resultant exponential increase in power density have made temperature a first-class design constraint in today's microprocessors. An interesting question in the context of thermal management
Thermal management systems roadmap
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NASA's integrated technology roadmap, including both technology pull and technology push strategies, considers a wide range of pathways to advance the nation's current capabilities. The present state of this effort is documented in NASA's DRAFT Space Technology
Thermal Management of Nanoelectronics: Needs, Options, and Barriers
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University of Maryland College Park, MD ThermalManagement of Nanoelectronics: Needs, Options, and BarriersGoals of Nanoelectronics ThermalManagementPrevent IC/Module/PCB Catastrophic Failure Cool below: glass-transition temperature, melting
Improving Battery Thermal Management Using Design for Six Sigma Process
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Abstract Battery thermal control is an important factor for achieving desired performance and calendar life for multi-cell batteries in hybrid electric vehicles. Automakers and their battery suppliers are paying increased attention to battery thermal management, especially with
Efficient thermal management for multiprocessor systems
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Power consumption of chips has increased substantially for the last few decades to accommodate the rising performance demand. Higher power consumption combined with smaller device dimensions increase power densities and on-chip temperatures. A number
Thermal Management of Electromechanical Actuation on an All-Electric Aircraft
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Abstract This report addresses the thermal management of electromechanical flight control actuators on an all-electric aircraft (AEA). Information relating all-electric aircraft, electromechanical actuators (EMAs) and thermal management concepts is presented and
The influence of knitted fabrics' structure on the thermal and moisture managementproperties
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ABSTRACT This paper studies the influence of fabric's structure on the thermal and moisture management properties of knitted fabrics made of two types of yarns with thermo-regulating effect: Coolmaxand Outlast . The main purpose of this study was the selection of the
Thermal management architectures for rack based electronics systems
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Abstract Cooling architecture options are studied for rack based electronics such as computer servers or router line cards. For the purposes of this investigation, individual servers or line cards are assumed to be of the horizontal pizza box style with a few high
Fly ash from thermal power plants- waste management and overview
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Energy requirements for the developing countries in particular are met from coal-based thermal power plants. The disposal of the increasing amounts of solid waste from coal-fired thermal power plants is becoming a serious concern to the environmentalists. Coal ash,
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