Results 201 to 210 of about 32,664 (261)

Impact of Oil Spill Stress on Amino Acid Abundance in <i>Heterosigma akashiwo</i>. [PDF]

Metabolites
Xue D, Su H, Yu J, Yang X, Li N, Chen S.
europepmc   +1 more source

Indoor Air Pollution and Associated Factors of Acute Respiratory Infections Among Under-Five Children in East Gojjam Zone, Ethiopia: A Cross-Sectional Study. [PDF]

Health Sci Rep
Getie ET, Mekuria DY, Berehan YB, Cherie KT.   +3 more
europepmc   +1 more source

Household Water and Sanitation Practices and Their Association With Diarrheal and Acute Respiratory Infections Among Children Under Five in Ghana: A Cross-Sectional Predictive Model and Spatial Analysis. [PDF]

Health Sci Rep
Salifu Y, Gyan P, Lasong J, Walana W.
europepmc   +1 more source

Association between depression and chronic lung diseases in older Chinese adults: a national cross-sectional study. [PDF]

BMC Public Health
Yang C, Xu L.
europepmc   +1 more source

A 32-year species-specific live fuel moisture content dataset for southern California chaparral. [PDF]

Sci Data
Varga K, Jones C.
europepmc   +1 more source

An automated decision making framework for modern vehicles CO₂ emissions using multi modal engine telemetry and feature interpretability. [PDF]

Sci Rep
Saraswat SK, Abdullah M, Habelalmateen MI, Vivek V, Sahu PK, Pant R, Sharma S, Shojonov M, Madaminov B.   +8 more
europepmc   +1 more source

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A new model of regression rate for solid fuel scramjet

International Journal of Heat and Mass Transfer, 2019
Abstract A new theoretical model has been developed to calculate the regression rate of solid fuel scramjet (SF-Scramjet). This model obtains the local regression rate by calculating the local heat flux on the fuel surface, which is obtained by a standard wall function. A two-dimensional, axisymmetric, turbulent, one-reaction model which used the new
Ningfei Wang, Zhiwen Wu
exaly   +2 more sources

Liquefying fuel regression rate modeling in hybrid propulsion

Aerospace Science and Technology, 2015
Abstract This paper presents an overview of the main hypotheses and equations which lead to the design of the Hydres platform, a 1D code developed to evaluate liquefying fuel regression rates in hybrid propulsion and the engine propulsive performances.
G Lavergne
exaly   +2 more sources

Enhancement of Hybrid Fuel Regression Rate Using a Bluff Body

Journal of Propulsion and Power, 2014
In this paper, an attempt is made to increase the regression rate of the hybrid fuel (paraffin wax) using a hemispherical bluff body placed near the head end of the motor. The oxidizer used for the present study is gaseous oxygen. The results show that the use of a bluff body increases the regression rate by around two times at the higher Gox (15  g ...
Rajiv Kumar, P A Ramakrishna
exaly   +2 more sources

Solid-fuel ramjet fuel regression rate/thrust modulation

Journal of Propulsion and Power, 1992
An experimental investigation was conducted to determine if inlet air swirl and/or secondary gaseous injection could be used effectively for fuel regression rate control or thrust modulation in a solid-fuel ramjet. Inlet swirl characteristics were measured in nonreacting flows.
W. H. Campbell, B. N. Ko, S. R. Lowe, D. W. Netzer   +3 more
openaire   +1 more source