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Supplier: Accuris
Description: Standard Guide for Evaluation of Convective Heat Transfer Coefficient of Liquids
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Description: ISO 13789:2007 specifies a method and provides conventions for the calculation of the steady-state transmission and ventilation heat transfer coefficients of whole buildings and parts of buildings. It is applicable both to heat loss (internal temperature higher than
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Supplier: ASTM International
Description: 1.1 This guide covers general information, without specific limits, for selecting methods for evaluating the heating and cooling performance of liquids used to transfer heat where forced convection is the primary mode for heat transfer. Further, methods of comparison are
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Supplier: CSA Group
Description: ISO 13789:2017 specifies a method and provides conventions for the calculation of the steady‐state transmission and ventilation heat transfer coefficients of whole buildings and parts of buildings. It is applicable both to heat loss (internal temperature higher than
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Supplier: SAE International
Description: Experimental tests were conducted on a parallel flow condenser with HFO-1234yf as the working fluid on an AC system bench to determine average and local heat transfer coefficients during condensation of HFO-1234yf for mass flow rates that are typically encountered from idle to
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Supplier: Accuris
Description: STANDARD GUIDE FOR EVALUATION OF CONVECTIVE HEAT TRANSFER COEFFICIENT OF LIQUIDS - INCLUDES STANDARD + REDLINE (PDF)
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Supplier: IHS ESDU
Description: Correction factors required to account for radial variation of fluid properties are also given. The data presented may be used for calculating heat balances when enthalpy data can be used directly or for design calculations when heat transfer coefficient data can be used
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Supplier: IHS ESDU
Description: (i) rating the performance of an existing heat exchanger, when the rates and inlet temperatures are known and the outlet temperatures and heat transfer rate are required; (ii) evaluating the results of tests on a heat exchanger, where the measured heat
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Supplier: Accuris
Description: Thermal performance of buildings - Transmission and ventilation heat transfer coefficients - Calculation method (ISO 13789:2007)
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Supplier: IHS ESDU
Description: ESDU 78029 is one of a group of five dealing with this topic. It gives formulae and graphs that enable the convective and radiative heat transfer from surfaces typical of those dissipating heat from a bearing assembly to be estimated. Typical values of emissivity are included.
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Supplier: Accuris
Description: Tracked Changes (Redline) - Thermal performance of buildings - Transmission and ventilation heat transfer coefficients - Calculation method
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Supplier: SAE International
Description: computer simulation. Previous research has shown that heat transfer coefficient (HTC) for steady air quenching process is time and temperature independent but strongly flow and geometry dependent. These findings lead to the development of enhanced HTC method by performing CFD
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Supplier: Thermon, Inc
Description: and contract to meet the changing requirements for the application. Thermon's heat transfer compounds provide an efficient thermal connection between the external heating source and the process equipment. Thermon's NH compound improves the overall heat transfer
- Use Temperature: 32 to 410 F
- Thermal Conductivity: 34.614696 to 69.229392 W/m-K
- Features: Gap Filling Compound, Thermal Compound / Interface (Thermally Conductive)
- Cure / Technology: Single Component System
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Supplier: IHS ESDU
Description: Aero W.S.02.04.12, which apply for a thickness chord ratio of zero, be used to guide extrapolation to thickness chord ratios below 0.05 as shown in the worked example of the use of the curves. The wave drag coefficient to be added to the profile drag coefficient to give the total drag
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Description: ISO 13370:2007 provides methods of calculation of heat transfer coefficients and heat flow rates for building elements in thermal contact with the ground, including slab-on-ground floors, suspended floors and basements. It applies to building elements, or parts of them,
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Supplier: CSA Group
Description: ISO 13370:2017 provides methods of calculation of heat transfer coefficients and heat flow rates for building elements in thermal contact with the ground, including slab‐on‐ground floors, suspended floors and basements. It applies to building elements, or parts of them,
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Supplier: CSA Group
Description: ISO 19467:2017 specifies a method to measure the solar heat gain coefficient of complete windows and doors. ISO 19467:2017 applies to windows and doors a) with various types of glazing (glass or plastic; single or multiple glazing; with or without low emissivity coatings, and with
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Supplier: SAE International
Description: This paper presents a method of calculating temperature field of the piston by using a wavelet neural network (WNN) to identify the unknown boundary conditions. Because of the complexity of the heat transfer and limitations of experimental conditions of heat transfer
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Supplier: SAE International
Description: by the author previously for view factor, emissivity, heat transfer coefficient, and conductance is presented using the principle of reciprocity. The resulting uncertainty coefficients are compared to the standard approach for those parameters. A simple numerical
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Supplier: ASTM International
Description: data (see 3.2): 1.3.1 The pipe insulation lineal thermal resistance and conductance, 1.3.2 The pipe insulation lineal thermal transference, 1.3.3 The surface areal resistance and heat transfer coefficient, 1.3.4 The thermal resistivity and conductivity, 1.3.5 The areal thermal
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Supplier: ASTM International
Description: types, which differ in the treatment of axial heat transfer at the end of the test section. 1.6.1 The guarded-end apparatus utilizes separately heated guard sections at each end, which are controlled at the same temperature as the test section to limit axial heat
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Supplier: Pelonis Technologies, Inc.
Description: Pelonis Technologies' innovative PTC Thermistors are at the heart of Fin PTC Air Heaters and PTC Heat Conductors and are a great choice for providing controlled electrical heat. Their design flexibility and self-regulating electric heat characteristics make them ideal for
- Resistance (@25°C): 6 to 12 ohms
- Package / Electrode Type: Chip / Surface Electrodes
- Features: Positive Temperature Coefficient (PTC)
- Housing: Surface
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Supplier: AMPP Resources
Description: plant equipment from service. 1.2 The test unit described in this standard should be used whenever cooling tower systems are critical to the process. Data from the test unit can be used to: (a) predict service life of heat exchangers, (b) predict heat transfer
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Supplier: NACE International
Description: plant equipment from service. 1.2 The test unit described in this standard should be used whenever cooling tower systems are critical to the process. Data from the test unit can be used to: (a) predict service life of heat exchangers, (b) predict heat transfer
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Supplier: Pelonis Technologies, Inc.
Description: Pelonis Technologies' innovative PTC Thermistors are at the heart of Fin PTC Air Heaters and PTC Heat Conductors and are a great choice for providing controlled electrical heat. Their design flexibility and self-regulating electric heat characteristics make them ideal for
- Resistance (@25°C): 1,500 to 3,000 ohms
- Package / Electrode Type: Chip / Surface Electrodes
- Features: Positive Temperature Coefficient (PTC)
- Housing: Surface
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Supplier: Pelonis Technologies, Inc.
Description: Pelonis Technologies' innovative PTC Thermistors are at the heart of Fin PTC Air Heaters and PTC Heat Conductors and are a great choice for providing controlled electrical heat. Their design flexibility and self-regulating electric heat characteristics make them ideal for
- Resistance (@25°C): 12 to 24 ohms
- Package / Electrode Type: Chip / Surface Electrodes
- Features: Positive Temperature Coefficient (PTC)
- Housing: Surface
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Supplier: Pelonis Technologies, Inc.
Description: Pelonis Technologies' innovative PTC Thermistors are at the heart of Fin PTC Air Heaters and PTC Heat Conductors and are a great choice for providing controlled electrical heat. Their design flexibility and self-regulating electric heat characteristics make them ideal for
- Resistance (@25°C): 70 to 110 ohms
- Package / Electrode Type: Chip / Surface Electrodes
- Features: Positive Temperature Coefficient (PTC)
- Housing: Surface
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Description: plant equipment from service. 1.2 The test unit described in this standard should be used whenever cooling tower systems are critical to the process. Data from the test unit can be used to: (a) predict service life of heat exchangers, (b) predict heat transfer
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Supplier: Bell & Gossett, a xylem brand
Description: and tube heat exchangers. GPX offer superior heat transfer coefficients compared to shell and tube heat exchangers. GPX offers “true” countercurrent flow, which maximizes the mean temperature difference between fluids.
- Liquid Flow Rate: 18,000 GPM
- Maximum Working Pressure: 0 to 450 psi
- Temperature Range: -31 to 338 F
- Technology: Air-Cooled, Plate
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Supplier: Boyd
Description: flexibility in materials and construction, k-Core® technology can easily replace traditional solid metal conductors or heat spreaders to substantially improve heat transfer and cooling. Because of its low mass, k-Core® technology is used in aerospace satellites, avionics, and
- Features: Other Materials
- Device: Passive Heat Sink
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Supplier: Alfa Laval Inc.
Description: all gaskets between plates, and makes it possible to operate with a wide range of aggressive media and at high temperatures and pressures. Corrugated plate patterns generate high turbulence that results in overall heat transfer coefficients three to five times greater than a
- Liquid Flow Rate: 26,417.2 GPM
- Maximum Working Pressure: 609.15834 psi
- Temperature Range: -148 to 662 F
- Construction Features: ASME Certified
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Supplier: Alfa Laval Inc.
Description: turbulence in the flow of the media to be cooled. This substantially increases the overall heat transfer coefficient. ViscoLine Multitube unit The ViscoLine Multitube Unit is one of the most widely used thermal solution for viscous food. An ideal unit for heating, cooling and
- Application / Industry: Food and Beverage Processing
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Supplier: ASME
Description: Performance parameters included are overall hear transfer coefficient, heat transfer rate, and pressure drop. Guidelines are provided for recommended instrumentation and accuracy.
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Supplier: ASME Standards and Certification
Description: Performance parameters included are overall hear transfer coefficient, heat transfer rate, and pressure drop. Guidelines are provided for recommended instrumentation and accuracy.
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Supplier: AENOR
Description: Thermal performance of buildings - Transmission and ventilation heat transfer coefficients - Calculation method (ISO 13789:2007)
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, inspection, and capacity expansion. This makes GPHE an ideal solution for processes requiring frequent maintenance or future scalability. Compared to traditional shell-and-tube heat exchangers, GPHE offers significantly higher heat transfer coefficients, reduced footprint, and lower energy (read more)
Browse Heat Exchangers Datasheets for Hexnovas Heat Exchanger Technology Co., Ltd -
• Petrochemical and chemical processing • Heat recovery and energy systems Compared with traditional shell-and-tube heat exchangers, plate and shell units offer higher heat transfer coefficients, lower fouling tendency, and reduced installation space. HEXNOVAS provides customized (read more)
Browse Heat Exchangers Datasheets for Hexnovas Heat Exchanger Technology Co., Ltd -
Flexible heaters offer very good heat transfer to the heat sink in a very low profile and low mass package. Because they are flexible, they can also conform to, and heat, irregular surfaces that other types of heaters cannot. TCR (Temperature Coefficient of Resistance) of custom heater alloys (read more)
Browse Flexible Heaters Datasheets for Flexible Circuit Technologies, Inc. -
Positive temperature coefficient (PTC) heaters consist of specialized heating discs built from advanced ceramic materials. These safe, powerful, and energy-efficient heaters allow for exceptional heat production and transfer within even the smallest spaces. PTC heaters fall into one of (read more)
Browse Air Heaters Datasheets for Pelonis Technologies, Inc. -
rapid heat transfer, a rigid structure, or a close match to the thermal expansion coefficient of silicon wafers, we recommend vacuum chucks made from (read more)
Browse Production Machining Datasheets for Top Seiko Co., Ltd. -
optimizing the process since the cutting energy (heat from the material shearing process) must be transferred to the removed chip and not to the part. If the machining technique puts the heat energy into the part, the part will quickly expand out of tolerance, and then when the part cools, it will be (read more)
Browse Datasheets for Protomatic, Inc. -
stability, reducing heat transfer from the crucible itself, ensuring consistent and controllable evaporation. Main ingredients: BN+TiB2 Density 3.0g/cm3 Binding composition: B2O3 Color: Grey Room temperature resistivity: 300-2000 Ω·cm (read more)
Browse Industrial Ceramic Materials Datasheets for Xiamen Innovacera Advanced Materials Co., Ltd. -
outstanding flexibility and compressibility enable them to perform reliably even in extreme working conditions, ensuring effective heat transfer while minimizing thermal stress on electronic components. In the design and application of PTC heating elements (read more)
Browse Thermal Compounds and Thermal Interface Materials Datasheets for Dongguan Sheen Electronic Technology Co., Ltd. -
. Key Features Excellent thermal conductivity ranging from 120 to 200 W/m·K, ensuring efficient heat transfer (read more)
Browse Industrial Ceramic Materials Datasheets for Shenzhen Great Precision Ceramic CO., LTD. -
, are prized for their ability to efficiently dissipate heat. This property is crucial in high-power applications where heat management is essential to maintain device performance and reliability. Thermal Expansion Matching: Ceramics typically have a low coefficient of thermal expansion (read more)
Browse Industrial Ceramic Materials Datasheets for 3X Ceramic Parts Company Limited
Conduct Research Top
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Nozzles and Cooling Solutions for Continuous Casting of Steel
transfer. Lechler. has developed new nozzles. with higher heat transfer. coefficients, better water. distribution performances and. larger free passages.
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Measurements Thermophysical and Thermofluid Dynamic Properties of Materials by Means of IR Thermography (.pdf)
between convection heat transfer coefficient and thermal conductivity
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History and Properties of Thermoelectric Devices
devices: thermal conductivity and electrical resistivity. The ideal thermoelectric material has a high Seebeck coefficient and low electrical resistivity, so little heat is generated from the electrical current flow, and low thermal conductivity, so little heat is transferred from the hot junction
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What You Need to Know About PTC Heaters
Positive temperature coefficient (PTC) heaters consist of specialized heating discs built from advanced ceramic materials. These safe, powerful, and energy-efficient heaters allow for exceptional heat production and transfer within even the smallest spaces. PTC heaters fall into one of two
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Heat Transfer
1.1 Modes of heat transfer ...............................................................................3 1.2 Definitions..................................................................................................4 1.2.1 Heat (transfer) rate and heat flux...........................................................4 1.2.2 Heat transfer coefficients and overall heat transfer coefficients ...........4 1.2.3 Rate equations .......................................................................................6 1.2.4 …
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Quenching and Control of Distortion 2012: Proceedings of the 6th International Quenching and Control of Distortion Conference Including the 4th International...
Heat Transfer Coefficients ....................................................................................................
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Fundamentals of Heat Exchanger Design Complete Document
… 1.2 Single-Pass Counterflow Exchanger 4.1.3 Single-Pass Parallelflow Exchanger 4.1.4 Single-Pass Unmixed–Unmixed Crossflow Exchanger 4.1.5 Other Single-Pass Exchangers 4.1.6 Multipass Exchangers Nonuniform Overall Heat Transfer Coefficients 4.2.1 4 …
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Heat Transfer Handbook Complete Document
Heat transfer coefficient .
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Extended Surface Heat Transfer
2 CONVECTION WITH REAL CONSTRAINTS 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Introduction / 59 Fins with Tip Heat Loss / 60 Nonuniform Heat Transfer Coefficients / 81 Fins with Internal Heat Generation / 91 …
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ZCP2012QCD05365L
Fundamental Principles -- II Effect of Quench Start Temperature on Surface Heat Transfer Coefficients ....................................................................................................
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Heat and Mass Transfer
Heat transfer coefficient . . . . . . . . .
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Free-Convective Heat Transfer
For a part of the heated surface, where the characteristics of ther- mal turbulence become statistically identical, the heat transfer coefficient is independent of the body dimensions.
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http://dspace.mit.edu/bitstream/handle/1721.1/8130/51720009-MIT.pdf?sequence=2
An increase in the heat transfer coefficient at the end of the tube, combined with an increase in the Stanton number, seems to indicate that JP7 undergoes an endothermic decomposition which causes a significant enhancement in heat transfer capacity.
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Enhanced boiling heat transfer in horizontal test bundles
Lines of constant heat transfer coefficients (kW/m2K) at a heat fluxof 20 kW/m2 (Cornwell et al.1980). . . . . . . . . . . .