Results 41 to 50 of about 259 (56)

Tables and charts of equilibrium thermodynamic properties of ammonia for temperatures from 500 to 50,000 K. [PDF]

open access: yes
Equilibrium thermodynamic properties for pure ammonia were generated for a range of temperature from 500 to 50,000 K and pressure from 0.01 to 40 MN/sq m and are presented in tabulated and graphical form. Properties include pressure, temperature, density,
Miller, C. G., III   +2 more
core   +1 more source

Data from tests of a R4 airfoil in the Langley 0.3-meter transonic cryogenic tunnel [PDF]

open access: yes
Aerodynamic data for the DFVLR R4 airfoil are presented in both graphic and tabular form. The R4 was tested in the Langley 0.3-Meter Transonic Cryogenic Tunnel (TCT) at Mach number from 0.60 to 0.78 at angles of attack from -2.0 to 8.0 degrees.
Hill, A. S.   +4 more
core   +1 more source

High Reynolds number tests of the CAST 10-2/DOA 2 airfoil in the Langley 0.3-meter transonic cryogenic tunnel, phase 1 [PDF]

open access: yes
A wind tunnel investigation of an advanced technology airfoil, the CAST 10-2/DOA 2, was conducted in the Langley 0.3 meter Transonic Cryogenic Tunnel (0.3 m TCT). This was the first of a series of tests conducted in a cooperative National Aeronautics and
Dress, D. A.   +3 more
core   +1 more source

The role of soft tissues and minor osseous structures in cranial biomechanics [PDF]

open access: yes, 2019
Finite element analysis is now widely recognised as an invaluable technique to investigate and understand cranial biomechanics since it can incorporate the complexity of a skull’s geometry, its construction, different materials and complex loadings ...
Sellés de Lucas, Victor
core   +1 more source

A Hybrid of Stochastic Programming Approaches with Economic and Operational Risk Management for Petroleum Refinery Planning under Uncertainty [PDF]

open access: yes, 2006
In view of the current situation of fluctuating high crude oil prices, it is now more important than ever for petroleum refineries to operate at an optimal level in the present dynamic global economy.
Khor, Cheng Seong
core  

A Sermon by A. C. V. R. on the Text of I Peter 1:2b. A. C. V. R. Wrote in Pencil [PDF]

open access: yes
A sermon by A.C.V.R. on the text of I Peter 1:2b. A.C.V.R. wrote in pencil at the top, by vertrek naar Nederland [at the departure to the Netherlands], and at the end of the sermon wished the congregation to have grace and peace under all ...
Kennedy, Nella, Van Raalte, A. C.
core   +1 more source

Spiked eigenvalues of high-dimensional sample autocovariance matrices: CLT and applications

open access: yes
High-dimensional autocovariance matrices play an important role in dimension reduction for high-dimensional time series. In this article, we establish the central limit theorem (CLT) for spiked eigenvalues of high-dimensional sample autocovariance ...
Bi, Daning   +3 more
core  

Heterotic Particle Models from various Perspectives [PDF]

open access: yes
We consider the compactification of heterotic string theory on toroidal orbifolds and their resolutions. In the framework of gauged linear sigma models we develop realizations of such spaces, allowing to continously vary the moduli and thus smoothly ...
Blaszczyk, Michael Ireneus
core  

On Thin Heckoid and Generalised Triangle Groups in $PSL(2,\mathbb{C})$}

open access: yes
We provide a brief overview of our upcoming work identifying all the thin Heckoid groups in $PSL(2,\mathbb{C})$. Here we give a complete list of the $55$ thin generalised triangle groups of slope $1/2$.
Elzenaar, Alex   +2 more
core  

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