Results 61 to 70 of about 690,215 (327)

Improving Numerical Weather Prediction of Rainfall Events Using Radar Data Assimilation [PDF]

open access: yes, 2019
Data assimilation is one of method to improve initial atmospheric conditions data in numerical weather prediction. The assimilation of weather radar data that has quite extensive and tight data is considered to be able to improve the quality of weather ...
Fatkhuroyan, Fatkhuroyan   +2 more
core   +1 more source

Comparative Wear and Friction Analysis of Sliding Surface Materials for Hydrostatic Bearing under Oil Supply Failure Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Hydrostatic bearings excel in high‐precision applications, but their performance hinges on a continuous external supply. This study evaluates various material combinations for sliding surfaces to mitigate damage during supply failures or misalignment and to discover the most effective materials identified for enhancing the reliability and efficiency of
Michal Michalec   +6 more
wiley   +1 more source

Effect of Horizontal Resolution on a Meso‐β‐Scale Vortex Simulation in an Extreme Rainstorm on 22 May 2020 Over South China: A Contrastive Study Based on Different‐Resolution Ensembles

open access: yesEarth and Space Science
A transient extreme rainstorm that occurred over Guangzhou city, China, on 22 May 2020, has been investigated based on two ensemble prediction systems (EPSs), one with 9‐km (TRAMS9km‐EPS) and the other with 3‐km (TRAMS3km‐EPS) grid spacings, respectively.
Guanshun Zhang, Xubin Zhang, Zhaoli Yang
doaj   +1 more source

Efficient spatio-temporal weather forecasting using U-Net [PDF]

open access: yesarXiv, 2021
Weather forecast plays an essential role in multiple aspects of the daily life of human beings. Currently, physics based numerical weather prediction is used to predict the weather and requires enormous amount of computational resources. In recent years, deep learning based models have seen wide success in many weather-prediction related tasks. In this
arxiv  

Mathematical algorithms to maximize performance in numerical weather prediction [PDF]

open access: yes, 1984
Numerical weather prediction models, which involve the solution of non-linear partial differential equations at points on an extensive three dimensional grid, are ideally suited for processing on vector machines.
Foreman, A.
core   +1 more source

Type-driven automated program transformations and cost modelling for optimising streaming programs on FPGAs [PDF]

open access: yes, 2018
In this paper we present a novel approach to program optimisation based on compiler-based type-driven program transformations and a fast and accurate cost/performance model for the target architecture.
Nabi, Syed Waqar   +2 more
core   +1 more source

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran   +2 more
wiley   +1 more source

Performance analysis of surface element forecast of TIGGE ensemble forecast in southwest China

open access: yes暴雨灾害, 2019
Based on the global ensemble forecast data of EC and NCEP in TIGGE database from January 1, 2016 to December 31, 2017, the 2 m air temperature and 24 h accumulated rain forecasts within 10 days of the two systems in southwest China are verified and ...
Lianglü CHEN, Yu XIA, Fajing CHEN
doaj   +1 more source

Assimilation of GNSS radio occultation observations in GRAPES [PDF]

open access: yesAtmospheric Measurement Techniques, 2014
This paper reviews the development of the global navigation satellite system (GNSS) radio occultation (RO) observations assimilation in the Global/Regional Assimilation and PrEdiction System (GRAPES) of China Meteorological Administration, including ...
Y. Liu, Y. Liu, J. Xue
doaj   +1 more source

A dynamic nonstationary spatio-temporal model for short term prediction of precipitation

open access: yes, 2013
Precipitation is a complex physical process that varies in space and time. Predictions and interpolations at unobserved times and/or locations help to solve important problems in many areas.
Künsch, Hans R.   +2 more
core   +1 more source

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