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ASHRAE MODELING & ENERGY - Modeling and Energy Consumption with Parallel and Series VAV Terminal Units with ECM and PSC Motors
January 1, 2014 - ASHRAE

Introduction Since fan-powered variable-air-volume (VAV) terminal units were introduced to the marketplace, proponents of both parallel and series types have argued about which provides a system with the highest energy efficiency.* ASHRAE/AHRI research was undertaken to define the operation of each...

ISA MODELING, CONTROL, SI - Modeling, Control, Simulation and Diagnosis of Complex Industrial and Energy Systems
January 1, 2009 - ISA

Focusing on the modeling, control, simulation, and diagnosis of complex industrial systems, this book contains a collection of papers that have been developed under the aegis of ANIPLA (the national automation association of Italy), which celebrated its 50th anniversary in 2006.Emphasis is...

IEEE TRANS LINE MODELING - TRANSMISSION-LINE MODELING METHOD: TLM
IEEE
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AIR5509A - Using Engine Test Data to Model Engine Performance
October 26, 2023 - SAE International

This document defines the process steps involved in collecting and processing engine test data for use in understanding engine behavior. It describes the use of an aero-thermal cycle model for reduction and analysis of those data. The analysis process may include the calculation of modifiers...

SAE8579 - The Evolution of Configuration Management (CM) Into an Accelerating Digital World
November 20, 2023 - SAE International

The purposeful integration of existing and emerging technologies into CM practice will enable collaboration with supporting systems and provide stakeholders access to authoritative and trusted data in a timely fashion at their desktop to help drive educated decision making. This lays to rest the...

ARP1311D - Landing Gear Structures and Mechanisms
November 16, 2023 - SAE International

This SAE Aerospace Recommended Practice (ARP) applies to landing gear structures and mechanisms (excluding wheels, tires, and brakes and other landing gear systems) for all types and models of civil and military aircraft. All axles, wheel forks, links, arms, mechanical and gas/oil shock...

ASTM D6589-23 - Standard Guide for Statistical Evaluation of Atmospheric Dispersion Model Performance
September 1, 2023 - ASTM International

5.1 Guidance is provided on designing model evaluation performance procedures and on the difficulties that arise in statistical evaluation of model performance caused by the stochastic nature of dispersion in the atmosphere. It is recognized there are examples in the literature where,...

J3187-3_202309 - System Theoretic Process Analysis (STPA) Recommended Practices for Evaluations of Safety-Critical Systems in Any Industry - Appendix: STPA and Model-Based Systems Engineering (MBSE)
September 6, 2023 - SAE International

This document provides recommended practices regarding how System Theoretic Process Analysis (STPA) may be applied to safety-critical systems in any industry in the area of model-based systems engineering (MBSE) evaluations.

ASTM A1033-18(2023) - Standard Practice for Quantitative Measurement and Reporting of Hypoeutectoid Carbon and Low-Alloy Steel Phase Transformations
September 1, 2023 - ASTM International

5.1 This practice is used to provide steel phase transformation data required for use in numerical models for the prediction of microstructures, properties, and distortion during steel manufacturing, forging, casting, heat treatment, and welding. Alternatively, the practice provides end...

J1979-3_202310 - E/E Diagnostic Test Modes: Zero Emission Vehicle Propulsion Systems on UDS (ZEVonUDS)
October 6, 2023 - SAE International

This document is intended to satisfy the data reporting requirements of standardization regulations in the United States and Europe, and any other market that may adopt similar requirements in the future. This document specifies: a Message formats for request and response messages. b Timing...

ASTM E1355-23 - Standard Guide for Evaluating the Predictive Capability of Deterministic Fire Models
July 1, 2023 - ASTM International

5.1 The process of model evaluation is critical to establishing both the acceptable uses and limitations of fire models. It is not possible to evaluate a model in total; instead, this guide is intended to provide a methodology for evaluating the predictive capabilities for a...

ASTM D7708-23a - Standard Test Method for Microscopical Determination of the Reflectance of Vitrinite Dispersed in Sedimentary Rocks
September 1, 2023 - ASTM International

5.1 The mean reflectance of the vitrinite maceral in sedimentary rocks as determined by this test method is used as an indicator of thermal maturity, that is, the progressive geochemical alteration of dispersed organic material experienced during diagenesis, catagenesis, and metagenesis. In the...

J1676_202309 - Guideline for Photo-Documentation of Exterior Vehicle Damage for 3D Analysis
September 28, 2023 - SAE International

The 3D crush model can be obtained by any suitable photogrammetry method using this image set and is intended to graphically represent in photographs the shape and orientation of the damaged surface(s) relative to the undamaged, or least damaged, portion of the vehicle. The procedure is...

ASTM E2041-23 - Standard Test Method for Estimating Kinetic Parameters by Differential Scanning Calorimeter Using the Borchardt and Daniels Method
August 1, 2023 - ASTM International

6.1 This test method is useful in research and development. 6.2 The determination of the appropriate model for a chemical reaction or transformation and the values associated with its kinetic parameters may be used in the estimation of reaction performance at temperatures or time conditions...

UL 1598C - Light-Emitting Diode (LED) Retrofit Luminaire Conversion Kits
September 8, 2023 - ULSE

01598c-000000-000000 1 Scope 1.1 These requirements apply to light-emitting diode (LED) retrofit kits that are intended to retrofit existing light sources or other components in previously installed luminaires that already comply with one of the standards in 3. 1.2 These kits are intended for use...

ASTM D4856-23 - Standard Test Method for Determination of Sulfuric Acid Mist in Workplace Atmospheres Collected on Mixed Cellulose Ester Filters (Ion Chromatographic Analysis)
September 1, 2023 - ASTM International

1.1 This ion chromatographic test method describes the determination of sulfuric acid mist in air samples collected from workplace atmospheres on a mixed cellulose ester (MCE) filter. Note 1: Other filter types such as quartz fiber, polytetrafluoroethylene (PTFE), and polyvinyl chloride (PVC)...

ASTM D4784-23 - Standard Specification for Liquefied Natural Gas Density Calculation Models
May 1, 2023 - ASTM International

This specification covers LNG density calculation models for use in the calculation or prediction of the densities of saturated liquefied natural gas (LNG) mixtures at a specified temperature range given the pressure, temperature, and composition of the mixture. Composition restrictions for...

ASTM F3364-23 - Standard Practice for Independent Audit Program for Unmanned Aircraft Operators
August 1, 2023 - ASTM International

4.1 This practice establishes the minimum set of requirements for an independent audit program for unmanned aircraft system operators. The intended use is to provide minimum requirements for an initial assessment of operators bringing a new aircraft model or service to market, or for...

ASTM E2862-23 - Standard Practice for Probability of Detection Analysis for Hit/Miss Data
July 1, 2023 - ASTM International

5.1 The POD analysis method described herein is based on a well-known and well established statistical regression method. It shall be used to quantify the demonstrated POD for a specific set of examination parameters and known range of discontinuity sizes under the following conditions. 5.1.1 The...

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