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Standards and Technical Documents - Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects -- IEC 60949:1988
Description: The approach set out in this standard is to: a) calculate the adiabatic short-circuit current, b) calculate a modifying factor that takes account of the non-adiabatic heating effect, c) multiply a) and b) to obtain permissible short-circuit current.
Standards and Technical Documents - Pressure gradient in upward adiabatic flows of gas liquid mixtures in vertical pipes. -- 04006Supplier: IHS ESDU
Description: ESDU 04006 is one of a group of Data Items on the prediction of pressure drop in two-phase gas-liquid mixtures in piping systems. It provides techniques for the assessment of the frictional and gravitational pressure gradient for fluids flowing upwards in smooth vertical pipes. This assessment
Supplier: ASTM International
Description: Adiabatic Compression Testing - Part I: Historical Development and Evaluation of Fluid Dynamic Processes Including Shock-Wave Considerations Volume 6, Issue 8 (September 2009) Adiabatic compression testing of components in gaseous oxygen is a test method that is utilized worldwide and is commonly
Supplier: Alfa Laval Inc.
Description: Alfa Laval adiabatic liquid coolers provide clean water at the right temperature for industrial processes year round. The modular Alfa Laval adiabatic liquid cooler units, positioned outside a customer’s facility, is the closed-loop system’s central process liquid cooler. Alfa Laval
- Applications: Electronics / Power Supply Cooling, Food and Beverage Processing, HVAC, Power Generation
- Maximum Working Pressure: 131 psi
- Type: Air-Cooled, Shell and Tube
- Primary Exchanger Material: Aluminum, Copper
Description: methodology, which relies on superposition of the locally determined component adiabatic temperature rise on the globally-induced adiabatic temperature. Governing Relations and Performance Limits in Air-Cooled Heat Sinks (Chapter 3). Explores the design and optimization of multiple fins clustered
Supplier: ASME Training & Development
Description: Online Self-Study Course EL538 This course is a review of the basic principles of HVAC, including psychometrics, sensible hearing and cooling, dehumidifi cation and humidifi cation, the adiabatic mixing process, air washers, cooling towers, ventilation and infi ltration load calculations, control
- Type: Course
- Modality: Off Site (Conference / Seminar)
- Industry: Building / Construction, Nuclear / Utility
- Technology / Subject: HVAC / Plumbing
Supplier: WEH Technologies Inc.
Description: against operator RSI Stringent safety testing – subject to adiabatic ignition test and extensive pressure and durability tests Optimal cleanliness – free from oil and grease, oxygen cleaned As part of our engineers´efforts to maintain our Continuous Improvement Programme
- Material: Brass/Bronze, Steel - Stainless
- Connection Type: Push-to-Connect / Push-On, Threaded - Female
- Application: Gas Fitting, Other Application
Standards and Technical Documents - API PUBL 4456 -- LITERATURE SURVEY: AEROSOL FORMATION AND SUBSEQUENT TRANSFORMATIONAND DISPERSION DURING ACCIDENTAL RELEASES OF CHEMICALSSupplier: American Petroleum Institute (API)
Description: respirable and non-respirable particles), approximately log-normally distributed, and with drops often located outside the bounds of any visible carrier plume. • The amount of liquid calculated to flash under adiabatic conditions is the minimum that vaporizes, because there is always some heat
Standards and Technical Documents - EXPLOSIVE ATMOSPHERES - PART 0: EQUIPMENT - GENERAL REQUIREMENTS -- CSA C22.2 NO 60079-0Supplier: CSA Group
Description: sources like adiabatic compression, shock waves, exothermic chemical reaction, self ignition of dust, naked flames and hot gases/liquids, are not addressed by this standard. NOTE 6 Such equipment should be subjected to a hazard analysis that identifies and lists all of the potential sources of ignition
Description: , Dr. Anderson examines these criteria in relation to plane shocks for which the collision frequency is large compared with cyclotron frequency. It contains a three-dimensional graphic representation of shock end states and presents an exact solution for the shock adiabatic curve in a convenient
Powder Testing Equipment - Gas Pressure and Temperature Measuring System (GTM) incl. 250 ml Grinding BowlSupplier: Fritsch GmbH - Milling and Sizing
Description: and desorption of gases). Extremely rapid phase formations can for the first time be observed IN SITU as an adiabatic process without heat exchange from the system. Adjustment of the grinding parameters rotational speed, balls/ sample material ratio and grinding time can be performed first time without
- Display & Special Features: Digital Readout
Supplier: NETZSCH-Gerätebau GmbH
Description: APTAC® 264 - Automatic Pressure Tracking Adiabatic Calorimeter APTAC® 264 takes the testing of chemical reactivity a step forward by enabling the user to acquire much faster temperature and pressure rise data than did the earlier designs. The instrument can function as: High-performance
- Calorimeter Type: Other Calorimeter
- Temperature Range: 68 to 932 F
- Temperature Control: Yes
- Local Interface: Analog Front Panel
Supplier: Advantage Engineering, Inc.
Description: The Hydra Hybrid Fluid Cooler is designed to remove waste heat from plastics and industrial processes, including hydraulics, feed throats, molds and material. A great alternative to conventional cooling towers. Water & Energy conservation is achieved by using ambient air to cool process water
- Type: Induced Draft
- Design: Closed Loop
- Cooling Capacity: 25 to 500 tons
Supplier: Uson, L.P.
Description: The Challenge Confronting Leak Rate Testing Because of the effects of adiabatic cooling, extra time must be allocated for testing to allow these effects to dissipate. Otherwise, the adiabatic cooling effects will mask the detection of pressure or mass flow change. The challenge, then, is to find
- Leak Test Method: Mass Flow, Pressure Differential / Decay
- Memory Capability or Data Logging: Yes
Supplier: Quorum Technologies
Description: The K850 combines versatility and ease of operation. Built-in thermo-electric heating and adiabatic cooling allow precise temperature control. The vertical pressure chamber (32mm diameter x 47mm) has a side viewing port, which allows a clear view of the liquid meniscus during filling. Key Features
- Dryer Type: Other
Supplier: Continental Blower, LLC
Description: capabilities up to 45,000 CFM High efficiency design with adiabatic efficiencies up to 82% Design Features Casing: Cast iron or cast aluminum housings, held securely by steel tie rods. Sections are standard with internal and/or external drains Shaft: Polished carbon steel or stainless steel
- Air Flow Rate: 45000 SCFM
- System: Bare (No Motor, Controls)
- Drive Options: Direct Drive, Belt Drive
- Features: Stand Alone (Freestanding) Fan
Supplier: Century Control Systems, Inc.
Description: the system is primed, any desired pressure can be easily set using the GE Druck DPI 330 / 335 pressure calibrator's pressure pump and volume adjuster. Excellent Control Stability The GE Druck DPI 330 / 335 pressure calibrator's thermal compensators eliminate adiabatic thermal effects which
- Calibrator Style: Portable
- Process, Environmental, Thermodynamic Properties: Pressure / Vacuum
- Display Type: Digital Readouts
- Local Interface: Digital Front Panel
Supplier: ArtUSA Noise Control Products, Inc.
Description: barrier is made of a polymer material. As sound waves cause the material to flex, internal friction occurs and the acoustical energy is dissipated into a very small trace amount of heat. The principle is isothermal for low frequencies and adiabatic for higher frequencies. This is truly a vastly
- Product Description: Acoustic Barrier / Panel
- Noise Attenuation: 20 dB
- Thickness: 0.0420 inch
- Width: 54 inch
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ESDU 74029 - Fluid Mechanics in Straight Pipes
ESDU 74029 gives methods of applying the friction factor data of ESDU 66027 to the case of isothermal or adiabatic flow of a gas. The procedure to be followed is indicated in each case by a calculation flowchart, and data are provided in graphical form for gas specific heat capacity ratios from 1 to 1.67 to assist in the calculations. A program of the method is provided (ESDUpac A7429). (read more)
Browse Standards and Technical Documents Datasheets for IHS ESDU
Fluid Mechanics, Internal Flow
Frictional pressure gradient in adiabatic flows of gas-liquid mixtures in horizontal pipes: prediction using empirical correlations and database. ESDU 01014 is one of a group of Data Items on the prediction of pressure drop in two-phase gas-liquid mixtures in piping systems. It provides the engineer with techniques for the assessment of the frictional pressure gradient in gas-liquid mixture flows in horizontal pipes and allows estimates to be made of the accuracy of the predictions. By means... (read more)
Browse Standards and Technical Documents Datasheets for IHS ESDU
Thermal Simulation Software ThermNet v7
materials. Coupling with MagNet for heating effects due to eddy current and hysteresis losses in the magnetic system. Coupling with ElecNet for heating effects due to electric losses. RECENT IMPROVEMENTS. Added the surface heat sources to the Heat Source global results page. Specify a type of cooling which will act in addition to any that already exists on a Thermal Environment constraint. Adiabatic thermal processes can be simulated. Coupling with ElecNet. Updated CAD functions. Better... (read more)
Browse Engineering Analysis Software Datasheets for Infolytica Corporation
Tescom-Emerson Process Management
Small Valve, Big Results
bar maximum (Stainless). 15,000 psig / 1,034 bar version available. Oxygen model available that has passed adiabatic compression test per ISO 10524. Optional Pneumatic assist solenoid valve actuation (12V, 24V, or 115V)... (read more)
Browse Pressure Relief Valves Datasheets for Tescom-Emerson Process Management
WEH Technologies Inc.
WEH ® TW152 Connector with Venting Bores
under pressurized conditions. Connection in just seconds - significant timesaving. Increased efficiency and reduced costs. User-friendly - protects against operator RSI. Stringent safety testing - subject to adiabatic ignition test and extensive pressure and durability tests. Optimal cleanliness - free from oil and grease, oxygen cleaned. As part of our engineers´efforts to maintain our Continuous Improvement Programme, the TW152 has been equipped with a further safety feature. All future filling... (read more)
Browse Gas Fittings Datasheets for WEH Technologies Inc.
demineralized water to 1,000-1,200psi (68.9- 82.7 Bar) using a plunger pump, which transmits the pressurized water to atomizing nozzles. The nozzles then nebulize the water into an array of super fine particles, down to 10 microns in diameter. These minutely sized particles create a fog that allows for quick evaporation and cooling by absorbing heat from the surrounding ambient air. This adiabatic process of evaporative cooling decreases the temperature of the air being humidified; it follows a line... (read more)
Browse Humidifiers (industrial) Datasheets for Armstrong International
Rotronic Instrument Corp.
ROTRONIC HF1 VENTILATION SYSTEMS
frequency mechanical oscillation in a body of water. An extremely fine mist is emitted which is quickly absorbed into the air flow. All these methods require frequent cleaning. Also, the passing air not only absorbs humidity but also looses some heat energy (adiabatic cooling). Therefore, an additional heating coil after the humidifier is usually required. Direct steam injection is the most common form of humidifier. They require very little maintenance because the steam supply acts as a cleaning agent... (read more)
Browse Hygrometers and Humidity Measurement Instruments Datasheets for Rotronic Instrument Corp.
ESDU Process Engineering Technology
geometries, components and fittings. Single-phase gas and liquid, two-phase adiabatic, boiling and condensing, non-Newtonian and transient flows are included. Table of Contents for the ESDU Process Engineering Technology Design Methods and Data. Oil Industry Fouling. Section 1: Crude oil pre-heat train fouling - User Guide. Section 2: Crude oil pre-heat train fouling - Exchanger analysis and crude fouling mitigation software. Section 3: Cooling water fouling - User Guides. . Crude Oil... (read more)
Browse Thermal Analysis Software Datasheets for IHS ESDU
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Application Note: Temperature Effects on Leak Testing
Temperature effects are a significant consideration while testing for leaks using pressure or flow measurement techniques. There are two sources of temperature effects; adiabatic, the effect of changing the pressure of the test medium, and ambient, the effect on the test piece by the environment
Thermal Characteristics of a 330 KV Surge Arrester
factors. To demonstrate this, the thermal analysis of a 330 KV metal oxide arrester is considered in this example. The adiabatic heating of the varistors due to a lightning strike and the subsequent temperature distribution in the device as a function of time are presented here.
Fast Analytical Modeling of Dynamic Thermal Behavior of Semiconductor Devices and Circuits
a thermal impedance matrix to be used in a self-consistent electrothermal circuit simulation of a large number of heat sources. These formulations are derived by assuming a small heat source. compared to the chip area in a homogeneous chip with the boundary conditions of an adiabatic top and an isothermal
The Application of OIM to Friction Stir Processing of Cast NiAl Bronze Materials (.pdf)
Institute for high-strength aluminum alloys [1-3]. In FSP, a cylindrical, wear-resistant tool consisting of a smaller diameter pin with a concentric, larger diameter shoulder is rotated and forced into the surface of a work piece. As the tool penetrates, a combination of frictional and adiabatic
Hannover Fair - Day 2
presentation we attended was by Per Sand, Vice President of Swedish company Cell Impact. Cell Impact has developed a highly efficient system of stamping metal into precise shapes using an effect called adiabatic softening. This effect was noticed, interestingly enough, in the military industry. When
Fresher with Pressure
slightly from compression (adiabatic) heating, but that rise is immediately reversed upon depressurization. And, because product isn't discharged under pressure, exit and entrance temperatures are the same. Packaging choices are basically unlimited because filling is
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6.2 The Linear Non- adiabatic Hydro-Dynamic Equations ••••••••••• 6- 2 6.3 Solving The Linear …
Molecular Theoretical chemistry
Concept of the adiabatic separating of molecular movement forms.
Advances in the Theory of Quantum Systems in Chemistry and Physics
24 Radial Coupling and Adiabatic Correction for the LiRb Molecule...
The Jahn-Teller Effect
Influence of the Geometric Phase and Non- Adiabatic Couplings on the Dynamics of the HCH2 Molecular System …
Studies of transition states and radicals by negative ion photodetachment
We have used coli/near adiabatic .
Thermodynamics and Energy Conversion
Adiabatic Compressors, Turbines and Pumps . . . . . . . . . . .
Dynamics of Gas-Surface Interactions
… has proven to be extremely successful in explaining elementary reactive and non-reactive adiabatic processes at surfaces.
Fundamentals of Time-Dependent Density Functional Theory
Adiabatic Approximations: ALDA, AGGA, AB3LYP, etc.. . . . . . . . . . . . . . . . . . . . . . . . . . .
The Modelling of Radiation Damage in Metals Using Ehrenfest Dynamics
Achieving Adiabatic Evolution by Altering the Electron-Ion Mass Ratio. . . . . . . . . . . . . . . . . .
Physics, Formation and Evolution of Rotating Stars
51 3.3.5 Adiabatic Gradient for Constant μ . . . . . . . . . . . . . . . . . . . . . .