SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Orbit test plan and simulator exercise, mathematical model, and critical interfaces for gravity gradient stabilization of advanced Applications Technology Satellite /ATS/
Mathematical model using Euler-Lagrange equation to investigate liquid slosh effects on rendezvous dynamics
Experimental study of pressure, gas ingestion, and capacity of viscoseals, and mathematical model for deriving modified Reynolds number
Mathematical models for determining photoelectron density of lunar atmosphere - Poisson equation
Mathematical models for reducing errors and analyzing aerodynamic force and moment data from ballistics tests
Mathematical model to determine creep effect on reinforced concrete and thin sandwich shells
Mathematical model for predicting droplet radius, charge-to-mass, and velocity of electrostatic dispersion in liquid
Mathematical models of flow and filtration performance of wire cloth filter media in series and parallel configuration
This report summarizes the results of a virtual workshop sponsored by the Bioenergy Technologies Office held on June 9–11, 2020. The workshop discussed best practices for utilizing mathematical modeling tools across multiple scales to reduce technology uncertainty and accelerate scaling-up of biorefinery/chemical production equipment and optimize operations.
Mathematical model to compute rigid body motion independently of flexible body motion in launch vehicles
Mathematical model of macroscopic elastic contact between mating members for predicting thermal contact resistance in vacuum environment
A step-by-step tutorial of the methods and tools used for the reliability analysis of fault-tolerant systems is presented. Emphasis is on the representation of architectural features in mathematical models. Details of the mathematical solution of complex reliability models are not presented. Instead the use of several recently developed computer programs--SURE, ASSIST, STEM, PAWS--which automate the generation and solution of these models is described.
The temperature conditions for photodynamic therapy of the culture of tumour cells organised in 3D spheroids are studied. The spheroids are placed in the cell culture medium in the well of a special cell culture plate with absorbing walls. A mathematical model is presented that describes the temperature distribution in a well with a cell culture plate heated by optical radiation. It is shown that the temperature in the well volume is not uniformly distributed, and the temperature on the well surface can differ significantly from the temperature in its volume. (laser medicine)
Theory, operation, and testing of components, single and multicell assemblies, static moisture removal subsystem, and mathematical model of hydrogen-oxygen membrane fuel cell system
Mathematical model for calculating thermal distortion of AOSO experiment support structure and equations for expressing interaction loads and rotational deflections
Mathematical model used in estimating statistics of randomly varying parameters of linear systems
Nonnewtonian mathematical model and plotting method for analyzing variable head viscometer data obtained on pseudo-plastic polymer solutions - Rheology
Accuracy of mathematical models in determining stresses and strains in limiting states of thin walled structures