2010 MULTIPHYSICS MODELING OF INDUCTION HARDENING OF RING GEARS A.Candeo HES
... originates directly within the work-piece. Due to the elevated power densities (almost 90% of the induced power is allowed on the skin depth layer) a much higher heating rate of the order of 1,000 °C/s can be obtained. In these conditions, carbon just hasn’t enough time to uniformly diffuse into an ...
... originates directly within the work-piece. Due to the elevated power densities (almost 90% of the induced power is allowed on the skin depth layer) a much higher heating rate of the order of 1,000 °C/s can be obtained. In these conditions, carbon just hasn’t enough time to uniformly diffuse into an ...
- ITM Web of Conferences
... devices is halved for each 10°C reduction in the junction operating temperature, consequently, the operating temperature at which each electronic devices work has to be kept below specific levels to minimize the risk of failure.As a result, new adjustments in element design are performed to facilita ...
... devices is halved for each 10°C reduction in the junction operating temperature, consequently, the operating temperature at which each electronic devices work has to be kept below specific levels to minimize the risk of failure.As a result, new adjustments in element design are performed to facilita ...
Modeling air mass flow into a football and resulting pressure after
... minimum allowed by the NFL. Furthermore, that the Colts’ footballs were apparently found to be at higher pressure when checked—despite being exposed to similar atmospheric conditions— is also potentially innocuous and may indicate that 1) the initial fill pressure of the Colts’ balls was closer to ...
... minimum allowed by the NFL. Furthermore, that the Colts’ footballs were apparently found to be at higher pressure when checked—despite being exposed to similar atmospheric conditions— is also potentially innocuous and may indicate that 1) the initial fill pressure of the Colts’ balls was closer to ...
energy sources i
... There are three basic mechanisms of heat transfer: Thermal conductivity is the heat transfer due to energy transfer by micro particles Molecules, atoms, electrons and other micro particles contained in substance move with rates proportional to their temperature and transfer the energy from zone with ...
... There are three basic mechanisms of heat transfer: Thermal conductivity is the heat transfer due to energy transfer by micro particles Molecules, atoms, electrons and other micro particles contained in substance move with rates proportional to their temperature and transfer the energy from zone with ...
Current Winter Processes Modeling Approaches
... • A snowpack already exists, or • A soil frost layer already exists, or • Average daily temperature is less than 0oC ...
... • A snowpack already exists, or • A soil frost layer already exists, or • Average daily temperature is less than 0oC ...
SmartProcess Improves Boiler Operation and Temperature Control at WFEC’s Hugo Plant
... A collaborative effort between Emerson and WFEC Hugo plant personnel produced a customized SmartProcess® Sootblower Optimizer that provides consistency in the unit’s sootblowing schedule, avoids fan stalls, and stabilizes reheat temperatures. The Sootblower Optimizer uses an intelligent modeling too ...
... A collaborative effort between Emerson and WFEC Hugo plant personnel produced a customized SmartProcess® Sootblower Optimizer that provides consistency in the unit’s sootblowing schedule, avoids fan stalls, and stabilizes reheat temperatures. The Sootblower Optimizer uses an intelligent modeling too ...
Conduction
... In a food processing facility, a spherical container of inner radius r 1 = 40 cm, outer radius r2 = 41 cm, and thermal conductivity k = 1.5 W/(m·°C) is used to store hot water and to keep it at 100°C at all times. To accomplish this, the outer surface of the container is wrapped with a 500 W electri ...
... In a food processing facility, a spherical container of inner radius r 1 = 40 cm, outer radius r2 = 41 cm, and thermal conductivity k = 1.5 W/(m·°C) is used to store hot water and to keep it at 100°C at all times. To accomplish this, the outer surface of the container is wrapped with a 500 W electri ...
part 7 case studies
... However modern houses are designed with little consideration to the climatic conditions. The bio-climatic patterns in Ghadames traditional houses appear in different stages of climatic adaptation. Firstly at the settlement structure level, houses are built in a compact mass to provide more shade and ...
... However modern houses are designed with little consideration to the climatic conditions. The bio-climatic patterns in Ghadames traditional houses appear in different stages of climatic adaptation. Firstly at the settlement structure level, houses are built in a compact mass to provide more shade and ...
thermal study of a large ground heat exchanger in clay
... available for damping the temperature response. Kavanaugh and Rafferty (1997) have used a parallelepiped model for calculation of the temperature penalty. This allows one to compare the results of the experimental observation with the model predictions. Further, since this point is at the adiabatic ...
... available for damping the temperature response. Kavanaugh and Rafferty (1997) have used a parallelepiped model for calculation of the temperature penalty. This allows one to compare the results of the experimental observation with the model predictions. Further, since this point is at the adiabatic ...
Exercise No. 1 - People(dot)tuke(dot)
... of the water triple point. The temperature of a system is related to the average energy of microscopic motions in the system. The basic unit of temperature is Kelvin. We also use other units for temperature: Celsius scales, Fahrenheit, Rankine, etc. Temperature is qualified by letter T [K] or ϑ [°C] ...
... of the water triple point. The temperature of a system is related to the average energy of microscopic motions in the system. The basic unit of temperature is Kelvin. We also use other units for temperature: Celsius scales, Fahrenheit, Rankine, etc. Temperature is qualified by letter T [K] or ϑ [°C] ...
Thermal Mass and R-Value: Making Sense of a
... loads can also be reduced. This can lead to smaller (and less costly) mechanical systems and lower demand charges for electricity. This time lag effect can save energy and money, but note that it does not affect the total amount of heat flowing through the wall. As noted above, the amount of heat fl ...
... loads can also be reduced. This can lead to smaller (and less costly) mechanical systems and lower demand charges for electricity. This time lag effect can save energy and money, but note that it does not affect the total amount of heat flowing through the wall. As noted above, the amount of heat fl ...
condensation
... of the rest of the house. Typical factors included in the BREDEM calculation are: Transmission and ventilation losses. Efficiency and responsiveness of the heating system. The user's choice of temperatures and heating periods. ...
... of the rest of the house. Typical factors included in the BREDEM calculation are: Transmission and ventilation losses. Efficiency and responsiveness of the heating system. The user's choice of temperatures and heating periods. ...
low temperature heating systems
... heat more equally, and offer higher comfort levels than systems which transfer heat through air. By using low temperature heating systems the room temperature can be decreased by a few degrees, which is more energy efficient and healthier for occupants. Low temperature heating systems do not require ...
... heat more equally, and offer higher comfort levels than systems which transfer heat through air. By using low temperature heating systems the room temperature can be decreased by a few degrees, which is more energy efficient and healthier for occupants. Low temperature heating systems do not require ...
Comfortable Rail Travel
... wall of the vehicle. The outside walls were included in the model as solids using conjugate heat transfer. The walls are usually a multilayer structure consisting of materials such as plastic, insulation and aluminum; each layer must be modeled. The ambient conditions are defined by the standard. Oc ...
... wall of the vehicle. The outside walls were included in the model as solids using conjugate heat transfer. The walls are usually a multilayer structure consisting of materials such as plastic, insulation and aluminum; each layer must be modeled. The ambient conditions are defined by the standard. Oc ...
cfd supported modelling of double skin facades in hot arid climates
... for. Thus the external air temperature can be taken to be the same as the inlet air temperature. In the present work, air enters the channel through a plain horizontal opening which is 3m above ground level and thus this assumption is valid. The effect of wind forces has not been included in this sh ...
... for. Thus the external air temperature can be taken to be the same as the inlet air temperature. In the present work, air enters the channel through a plain horizontal opening which is 3m above ground level and thus this assumption is valid. The effect of wind forces has not been included in this sh ...
High-Performance Building Envelopes: Design Methods for Energy
... 2.4 Thermal Comfort Thermal comfort is defined as “that condition of mind which expresses satisfaction with the thermal environment” (ASHRAE, 2004). Since it is a condition of mind, comfort is inherently based on one’s experience and perception; there are large variations in physiological and psycho ...
... 2.4 Thermal Comfort Thermal comfort is defined as “that condition of mind which expresses satisfaction with the thermal environment” (ASHRAE, 2004). Since it is a condition of mind, comfort is inherently based on one’s experience and perception; there are large variations in physiological and psycho ...
KWL – Chapter 14
... A material that conducts heat well is called a _______________________________. o Metals such as silver and stainless steel are _________________ conductors. o A good conductor, such as a tile floor, will feel cool to the touch because it transfers heat away from your skin easily. A material tha ...
... A material that conducts heat well is called a _______________________________. o Metals such as silver and stainless steel are _________________ conductors. o A good conductor, such as a tile floor, will feel cool to the touch because it transfers heat away from your skin easily. A material tha ...
abstract for ichs 2007
... gas at higher pressures. However, the current design methodology cannot yet guarantee their safe operation [1]. Typically, a composite high-pressure cylinder is made with a high molecular weight polymer or aluminum liner that serves as a hydrogen gas permeation barrier. A filament-wound, carbon/epox ...
... gas at higher pressures. However, the current design methodology cannot yet guarantee their safe operation [1]. Typically, a composite high-pressure cylinder is made with a high molecular weight polymer or aluminum liner that serves as a hydrogen gas permeation barrier. A filament-wound, carbon/epox ...