№ lp_2_3_28814
File format: docx Character count: 5289 File size: 22 KB
MATLAB source code defining isentropic and normal shock relations and applying iterative numerical methods to compute shock location and flow property distributions in a converging-diverging nozzle.
Document Type: MATLAB script
Subject: Compressible flow analysis
Topic: Isentropic relations, normal shock relations, linear interpolation
Application: Converging-diverging nozzle flow
Working Fluid: Air
Specific Heat Ratio (Gamma): 1.4
Input Parameters: Exit static-to-total pressure ratio; Exit area-to-throat area ratio
Output Data: Shock location; Mach number distribution; Static pressure distribution; Temperature distribution
Numerical Methods: Secant method; Linear interpolation
Generated Outputs: Graphs of Mach number, static pressure ratio, and temperature ratio versus downstream distance
Price: 8 / 10 USD
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Bloch-State Optimal Basis Sets: An Efficient Approach for Electronic Structure Interpolation
Authors: Sasawat Jamnuch; John Vinson
Affiliations: Theiss Research, La Jolla, CA, USA; Material Measurement Laboratory, National Institute of Standards and Technology (NIST), Gaithersburg, MD, USA
Type of Document: Scientific research article
Field: Computational materials science; electronic structure theory; density functional theory
Main Methods: Optimal Basis Functions (OBF); Density Functional Theory (DFT); Bethe-Salpeter Equation (BSE); k-space interpolation
Software Interface: Quantum ESPRESSO
Applications: X-ray absorption spectroscopy; large-scale electronic structure calculations; high-throughput DFT studies
Referenced Methods: GW method; many-body perturbation theory; Wannier interpolation; tight-binding; k·p method
Abstract: Presentation of an efficient implementation of k-space interpolation based on optimal basis functions with demonstrated numerical accuracy within 0.01 eV
Sections Included: Introduction; Theoretical Background
OGC Web Coverage Service Interface Standard - Interpolation Extension
Year: 2024
Organization: Open Geospatial Consortium
Document type: Interface Standard
Document stage: Draft
Editors: Peter Baumann, Jinsongdi Yu
Contributors: Graham Wilkes
Reference number: OGC 24-018r1
Version: 1.1.0
Language: English
Category: OpenGIS Interface Standard
Copyright: © 2024 Open Geospatial Consortium
Target audience: Geospatial data service implementers and developers
Scope: Interpolation methods and parameters for WCS GetCoverage requests
Normative annexes: Annex A – Abstract test suite
Publication date: 2024-05-06
Website: http://www.opengeospatial.org/legal/
Development of Fuel Injector Nozzle Cleansing Machine for Small Scale Workshop
Document Type: Original Research Article
Title: Development of Fuel Injector Nozzle Cleansing Machine for Small Scale Workshop
Field: Mechanical Engineering
Subject Area: Internal Combustion Engines
Keywords: Injector nozzle, cleansing machine, spray evaluation, internal combustion engine, fuel system maintenance
Equipment Developed: Dual-process injector nozzle cleansing and spray testing machine
Materials Used: Mild steel frame, fuel tank, submersible fuel pump, nozzle rail, 12V DC power supply
Testing Medium: Anti-rust thinner and petrol (PMS)
Operating Pressure: 8 psi
Cleaning Efficiency: 85%
Spraying Efficiency: 95%
Target Setting: Small-scale workshops
Standards Referenced: SAE and OEM servicing standards
Processes Included: Design, fabrication, and performance evaluation
Email explaining nozzle failure, causes, and revised design proposal
Year: 2023
Region / City: Not specified
Topic: Nozzle failure analysis and redesign
Document Type: Technical report
Organization / Institution: Not specified
Author: Not specified
Target Audience: Engineers and technical specialists
Effective Period: Not specified
Approval Date: Not specified
Modification Date: Not specified
Price Nozzle Diffusers
Note: Year
Subject: Heating, Ventilating, and Air Conditioning
Document Type: Specification
Organization: Price Industries, Inc.
Author: Price Industries, Inc.
Target Audience: Engineers, Contractors
Topics: Isentropic Interpolation Nozzle