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- Stock Market Returns: A Temperature Anomaly
- This study investigates if stock market returns are related to the temperature. Psychological research has shown that temperature is one of the meteorological variables that significantly affect people's mood. Mood changes in turn lead to behavioral changes. It is known that lower temperatures can lead to aggression, while higher tempratures...
- White papers 2002-08-01
- Unsteady State Numerical Simulation of the High Temperature Air Combustion by the Nongray Radiative Analysis
- Characteristics of combustion and heat transfer in the high temperature air combustion furnace were analyzed by assuming radiative properties of combustion gases that were non-gray and inhomogeneous medium. To estimate the radiation field of the high temperature air combustion accurately, the radiative properties of gases should be calculated by the...
- White papers 2001-02-27
- Flame Characteristics and Challenges With High Temperature Air Combustion
- The paper reveals that the flames with highly preheated combustion air were much more stable and homogeneous both temporally and spatially as compared to the room-temperature combustion air. Information on global flame features, flame spectral emission characteristics, spatial distribution of OH, CH and C2 species and emission of pollutants has...
- White papers 2001-02-27
- Influence of Water Hardness, Substrate Nature and Temperature on Heterogeneous Calcium Carbonate Nucleation
- This paper studies the effect of water hardness, temperature and the nature of walls on CaCO3 heterogeneous nucleation, which is the main condition of scale. The probability of CaCO3 heterogeneous precipitation increased for weak water hardness and weak temperatures. The wall nature did not influence the precipitation kinetics for hard...
- White papers 2004-03-25
- Thermodynamic Investigation of the Azeotropic Binary Mixture Water + n-Propanol
- Molar heat capacities of the azeotropic mixture in the binary system {water x 0.568) + n-propanol x 0.432)} were measured with an adiabatic calorimeter in the temperature range from (80 to 320) K. The functions of the heat capacity with respect to the thermodynamic temperature were established. The solid-liquid-phase transition...
- White papers 2004-12-02
- Do Asset Prices Reflect Fundamentals? Freshly Squeezed Evidence From the FCOJ Market
- This paper reexamines frozen concentrated orange juice FCOJ futures returns as they relate to fundamentals, in particular, temperature. The paper shows that when theory clearly identifies the fundamental, i.e., at temperatures close to or below freezing, there is a close link between FCOJ prices and that fundamental. Using a simple...
- White papers 2002-06-26
- Analysis of the Sensitivity to the Environmental Temperature of High Accuracy Load Cells
- In an ordinary process of measurement it's possible that the environmental changes of temperature induce errors of measurement which exceeds the accuracy specifications of load cells. The paper describes the effects of the environmental temperature on one type of high accuracy load cells, it indicates the degree of correlation between...
- White papers 2003-07-02
- Relationships Among Strain, Performance, and Environmental Temperature in Commercial Laying Hens
- In order to maximize profitability, egg producers must choose laying strains of appropriate body size to meet their market demands for egg number and size without the birds consuming any more feed than necessary. Feed consumption is particularly dependent on environmental temperature, body maintenance requirements, and ME level of the...
- White papers 2003-03-07
- Fracture Mechanics Analysis of Multi-Layer Plain Weave Fabric Laminates With Transverse Cracks at Cryogenic Temperatures
- This paper presents the stress intensity factors for internal and edge cracks in multi-layer glass/epoxy plain weave fabric laminates subjected to uniaxial tension load at cryogenic temperatures. Cracks are considered to have occurred in the transverse fiber bundles. Finite element analysis of the limiting case when the cracks extend to...
- White papers 2004-02-06
- Fluorinated Phthalazinone-Containing Copolyimides for Passive Optical Waveguides
- A series of fluorinated copolyimides containing phthalazinone moieties were prepared from 2, 2-bis (3, 4- dicarboxyphenyl) hexafluoropropane dianhydride (6FDA), 3, 3'4, 4'-benzophenone-tetracarboxylic dianhydride BPDA and 2-(4-aminophenyl)-4-[4-(4-aminophenoxyl)phenyl]-2,3-phthalazin-1-one (DHPZ-2NH2) for making polymeric optical waveguides. The resulting copolymers containing 0-50 mol% BPDA/ DHPZ-2NH2 show good solubility and are soluble in some organic polar...
- White papers 2004-02-20
- Reclosable Retort Zippers for Pouch Application
- Retort packaging has opened up exciting new marketing opportunities for converters in recent years. One challenge had been in identifying dependable zipper closures that could stand up to the extreme temperatures required by the retort process. However, various manufacturers are now providing zippers that meet the high temperature demands of...
- White papers
- Influence of Mean Stress on Low Cycle Fatigue in High Temperature Water
- This study considers the influence of mean stress in tests run in high temperature water. It was performed to assess the mean stress approach taken by the ASME Boiler and Pressure Vessel Code Section III, which was based upon data obtained in room temperature tests run in air. It was...
- White papers 2000-05-01
- A Multistage Solar Receiver: The Route to High Temperature
- A high-temperature solar thermal receiver is subjected to temperature-dependent emission and convection losses. In such a partitioned system, the working fluid is gradually heated as it passes through a sequence of receiver elements with increasing irradiance levels. The high-temperature receiver stage is the Directly Irradiated Annular Pressurized Receiver DIAPR. The...
- White papers 2000-06-14
- The Influence of Gas Parameters on the Results of Spirometric Test
- The paper presents a metrological analysis of the influence of the expiratory gas physical features on the preciseness of the parameters defined during lung tests. Two kinds of spirometric transducers are taken into consideration: a volumetric transducer and a flowmeter. When a volumetric transducer is used, the gas inside changes...
- White papers 2005-06-13
- Cooling Off Without the AC
- With temperatures soaring in many areas across America, homeowners are looking for ways to cool off. While air conditioning systems can certainly keep the temperatures down and add value when it comes time to sell, AC is not the only solution. Whole house fans are a simple and less expensive...
- White papers 2006-07-31
- Automotive Optocouplers - Beyond Meeting The Electrical Performance At High Temperature
- The trend of electric or hybrid electric vehicles has accelerated the introduction of electronic components into cars. The components residing under the hood will experience high ambient temperatures in excess of +105°C. While some products are able to meet electrical specifications up to +125°C, they cannot be conveniently assumed to...
- White papers 2009-03-24
- Design, Manufacturing and Testing of a Boiler Metal Surface Temperature Probe
- This paper describes designing, manufacturing, and laboratory and field testing of a non-contact boiler temperature probe utilizing the method of phosphor thermo-graphy to acquire boiler tube surface temperatures. Phosphor thermo-graphy is a well-developed non-contact method of temperature measurement, capable of accurately measuring surface temperatures in difficult environments. For this application,...
- White papers 2001-02-27
- The Chemistry of Biomass Ashes in Pressurized Gasification
- The purpose of the work is to provide a compilation of the composition of gas and condensed phases for solid fuels of interest for pressurized gasification. Thus, the results have been collected in this report, where three fuels are systematically studied and the results are presented in a wide range...
- White papers 2002-01-22
- The Effects of Washing Conditions on Soil Removal in Domestic Laundering Processes
- In the domestic laundering process, relatively high wash temperatures and long wash times have traditionally been used for optimum soil removal. The use of lower wash temperatures could result in a substantial reduction for energy used in laundering. The purpose of this study was to determine soil removal from cotton,...
- White papers 2004-06-01
- Heat Pump Water Heaters
- Heat pumps seemingly defy the laws of physics. They take heat from a low temperature source and, with efficiencies of 200 to 300 percent, raise its temperature. A heat pump works like a refrigerator in reverse. While refrigerators take heat from inside a box and dump that heat to a...
- White papers
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