2002 Lyman ETFS
... louvered fin geometry, assessing the performance based on an effectiveness-NTU (number of transfer units) or on an LMTD (log-mean-temperature difference) is not applicable. Instead, this study evaluates different reference temperatures to scale the heat transfer coefficients to gain an understanding ...
... louvered fin geometry, assessing the performance based on an effectiveness-NTU (number of transfer units) or on an LMTD (log-mean-temperature difference) is not applicable. Instead, this study evaluates different reference temperatures to scale the heat transfer coefficients to gain an understanding ...
Role of the Sarcoplasmic Reticulum Ca2+-ATPase
... by the UCP leads to increased mitochondrial respiration, increase fatty acid oxidation and heat production. Skeletal muscle is by far the most abundant tissue of the human body and accounts for over 50% of the total oxygen consumption in a resting human and up to 90% during very active muscular work ...
... by the UCP leads to increased mitochondrial respiration, increase fatty acid oxidation and heat production. Skeletal muscle is by far the most abundant tissue of the human body and accounts for over 50% of the total oxygen consumption in a resting human and up to 90% during very active muscular work ...
Thermal Modeling and Management of Discrete Surface
... POWERMITE is a registered trademark of and used under license from Microsemi Corporation. Micro8 is a registered trademark of International Rectifier Corporation. TMOS and HDTMOS are registered trademarks of Semiconductor Components Industries, LLC. MiniMOS and EZFET are trademarks of Semiconductor ...
... POWERMITE is a registered trademark of and used under license from Microsemi Corporation. Micro8 is a registered trademark of International Rectifier Corporation. TMOS and HDTMOS are registered trademarks of Semiconductor Components Industries, LLC. MiniMOS and EZFET are trademarks of Semiconductor ...
Transient Analysis of Hydride Fueled Pressurized Water Reactor Cores
... channel shape-further referred to as geometry-for maximizing power given specific transient conditions for pressurized water reactors (PWR) loaded with either U0 2 or UZrH1. 6 fuel. Several geometries have been examined with the VIPRE subchannel analysis tool along with MATLAB scripts previously dev ...
... channel shape-further referred to as geometry-for maximizing power given specific transient conditions for pressurized water reactors (PWR) loaded with either U0 2 or UZrH1. 6 fuel. Several geometries have been examined with the VIPRE subchannel analysis tool along with MATLAB scripts previously dev ...
Homework 5-8 answers - Chemistry
... 5. A small bubble rises from the bottom of a lake, where the temperature and pressure are 4°C and 3.0 atm, to the water's surface, where the temperature is 25°C and the pressu re is 0.95 atm. Calculate the final volume of the bubble if its initial volume was 2.1 mL. (Combined gas law, P1V1/T1 = P2V ...
... 5. A small bubble rises from the bottom of a lake, where the temperature and pressure are 4°C and 3.0 atm, to the water's surface, where the temperature is 25°C and the pressu re is 0.95 atm. Calculate the final volume of the bubble if its initial volume was 2.1 mL. (Combined gas law, P1V1/T1 = P2V ...
Thermal properties of graphene: Fundamentals and
... the lattice vibrations (phonons) and the free conduction electrons of a material, C = Cp + Ce. However, phonons dominate the specific heat of graphene at all practical temperatures19,20 (>1 K), and the phonon specific heat increases with temperature,17–20 as shown in Figure 2. At very high temperature ...
... the lattice vibrations (phonons) and the free conduction electrons of a material, C = Cp + Ce. However, phonons dominate the specific heat of graphene at all practical temperatures19,20 (>1 K), and the phonon specific heat increases with temperature,17–20 as shown in Figure 2. At very high temperature ...
HIGH POWER RESISTIVE PRODUCTS
... ATC’s Quick Reference Product Selection Guide is designed to help you navigate through our products and services. The following parameters, included in ATC’s complete catalog, are highlights of each Product Series: • Full electrical and mechanical specifications • ESR, FSR, Q and TCC Performance Cur ...
... ATC’s Quick Reference Product Selection Guide is designed to help you navigate through our products and services. The following parameters, included in ATC’s complete catalog, are highlights of each Product Series: • Full electrical and mechanical specifications • ESR, FSR, Q and TCC Performance Cur ...
Refrigeration and Air- Conditioning
... Assertion (A): The coefficient of performance of a heat pump is greater than that for the refrigerating machine operating between the same temperature limits.[IES-2002; IAS-2002] Reason (R): The refrigerating machine requires more energy for working where as a heat pump requires less. (a)Both A and ...
... Assertion (A): The coefficient of performance of a heat pump is greater than that for the refrigerating machine operating between the same temperature limits.[IES-2002; IAS-2002] Reason (R): The refrigerating machine requires more energy for working where as a heat pump requires less. (a)Both A and ...
BasicThermalWP
... structure yields a much more direct thermal path and vastly improves the device’s thermal performance. Since the primary thermal path differs with modifications in the package construction, each variation merits its own thermal reference points and, therefore, its unique thermal resistance specifica ...
... structure yields a much more direct thermal path and vastly improves the device’s thermal performance. Since the primary thermal path differs with modifications in the package construction, each variation merits its own thermal reference points and, therefore, its unique thermal resistance specifica ...
Aalborg Universitet Cooling of the Building Structure by Night-time Ventilation Artmann, Nikolai
... on the Intergovernmental Panel on Climate Change (IPCC) “A2” and “B2” scenarios for future emissions of greenhouse gases and aerosols. The study was based on 30 Regional Climate Model (RCM) simulated datasets, as obtained from the European PRUDENCE project. Under both emissions scenarios and across ...
... on the Intergovernmental Panel on Climate Change (IPCC) “A2” and “B2” scenarios for future emissions of greenhouse gases and aerosols. The study was based on 30 Regional Climate Model (RCM) simulated datasets, as obtained from the European PRUDENCE project. Under both emissions scenarios and across ...
MASSACHUSETTS INSTITUTE NUCLEAR ENGINEERING OF TECHNOLOGY by
... and breeding material because of its low melting point, high boiling point, low vapor pressure, low density, high heat capacity, high thermal conductivity, and low viscosity. ...
... and breeding material because of its low melting point, high boiling point, low vapor pressure, low density, high heat capacity, high thermal conductivity, and low viscosity. ...
Chapter 30 A Hierarchical Modeling Approach of Thermal Vias
... multitude of new design challenges. Thermal management is one of the most crucial issues that must be addressed when designing electronic systems with high-density nano-scale structures. Heat is an undesired byproduct which accrues in electrical devices and wires with negative impact on functionalit ...
... multitude of new design challenges. Thermal management is one of the most crucial issues that must be addressed when designing electronic systems with high-density nano-scale structures. Heat is an undesired byproduct which accrues in electrical devices and wires with negative impact on functionalit ...
Unsteady coupled convection, conduction and radiation simulations
... In the aeronautical industry, energy generation relies almost exclusively in the combustion of hydrocarbons. The best way to improve the efficiency of such systems, while controlling their environmental impact, is to optimize the combustion process. With the continuous rise of computational power, s ...
... In the aeronautical industry, energy generation relies almost exclusively in the combustion of hydrocarbons. The best way to improve the efficiency of such systems, while controlling their environmental impact, is to optimize the combustion process. With the continuous rise of computational power, s ...
Unsteady coupled convection, conduction and radiation simulations
... In the aeronautical industry, energy generation relies almost exclusively in the combustion of hydrocarbons. The best way to improve the efficiency of such systems, while controlling their environmental impact, is to optimize the combustion process. With the continuous rise of computational power, s ...
... In the aeronautical industry, energy generation relies almost exclusively in the combustion of hydrocarbons. The best way to improve the efficiency of such systems, while controlling their environmental impact, is to optimize the combustion process. With the continuous rise of computational power, s ...
A relation between continental heat flow and the seismic reflectivity
... of the reflective lower crust. Where the seismic velocity of the crust is known, this travel time may be converted to an absolute depth. It is this depth to the top of the reflective layering for which a correlation with the surface heat flow is presented in this paper. Presentation of data Figure 1 ...
... of the reflective lower crust. Where the seismic velocity of the crust is known, this travel time may be converted to an absolute depth. It is this depth to the top of the reflective layering for which a correlation with the surface heat flow is presented in this paper. Presentation of data Figure 1 ...
Cogeneration
Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time. Trigeneration or combined cooling, heat and power (CCHP) refers to the simultaneous generation of electricity and useful heating and cooling from the combustion of a fuel or a solar heat collector. Cogeneration is a thermodynamically efficient use of fuel. In separate production of electricity, some energy must be discarded as waste heat, but in cogeneration this thermal energy is put to use. All thermal power plants emit heat during electricity generation, which can be released into the natural environment through cooling towers, flue gas, or by other means. In contrast, CHP captures some or all of the by-product for heating, either very close to the plant, or—especially in Scandinavia and Eastern Europe—as hot water for district heating with temperatures ranging from approximately 80 to 130 °C. This is also called combined heat and power district heating (CHPDH). Small CHP plants are an example of decentralized energy. By-product heat at moderate temperatures (100–180 °C, 212–356 °F) can also be used in absorption refrigerators for cooling.The supply of high-temperature heat first drives a gas or steam turbine-powered generator and the resulting low-temperature waste heat is then used for water or space heating as described in cogeneration. At smaller scales (typically below 1 MW) a gas engine or diesel engine may be used. Trigeneration differs from cogeneration in that the waste heat is used for both heating and cooling, typically in an absorption refrigerator. CCHP systems can attain higher overall efficiencies than cogeneration or traditional power plants. In the United States, the application of trigeneration in buildings is called building cooling, heating and power (BCHP). Heating and cooling output may operate concurrently or alternately depending on need and system construction.Cogeneration was practiced in some of the earliest installations of electrical generation. Before central stations distributed power, industries generating their own power used exhaust steam for process heating. Large office and apartment buildings, hotels and stores commonly generated their own power and used waste steam for building heat. Due to the high cost of early purchased power, these CHP operations continued for many years after utility electricity became available.