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Page 15 of American Society of Civil Engineers. Collected Journals Vol. 111, Issue 1 [page]

1985 American Society of Civil Engineers. Collected Journals  
MobpEL VALIDATION A realistic assessment of the ability of any numerical model to accu- rately predict dispersion in an oceanic environment must be based on field measurements.  ...  then the vertical velocity at any time step may be estimated by (¢L,)/At, in which ¢ = a uniformly distributed random number in the interval (-V3, V3).  ... 

Sustainable design of courtyard environment: from the perspectives of airborne diseases control and human health

Jiawei Leng, Qi Wang, Ke liu
2020 Sustainable cities and society  
Further considering the severe impact of COVID-19 crisis, the current study aims to develop a numerical strategy to optimize physical environment in courtyard, including distributions of airborne pollutant  ...  In static wind conditions, infection possibility (with R value up to 3 %) in courtyard was comparable to those in indoor environments during the COVID-19 period.  ...  Compared to the R values in indoor environments, the courtyard environments in Case 2-4 were relatively safe.  ... 
doi:10.1016/j.scs.2020.102405 pmid:32834938 pmcid:PMC7367033 fatcat:kfqi2cnehfhnvcbdxvplribevy

Numerical Experiments of Meso-α-Scale Precipitation Systems under Baiu-Front-Like Idealized Environments

Yasutaka Wakazuki, Tomoya Watanabe
2015 SOLA : Scientific Online Letters on the Atmosphere  
To investigate the variability of the structure and evolution of meso-α-scale precipitation systems generated in the Baiu frontal zone, numerical experiments using a cloud-resolving non-hydrostatic model  ...  Watanabe, 2015: Numerical experiments of meso-α-scale precipitation systems under Baiufront-like idealized environments. SOLA, 11, 150−155.  ...  Kawaoka (University of Tsukuba) helped with the analyses of objective analysis data and with numerical simulations, respectively. Edited by: M. Yoshizaki  ... 
doi:10.2151/sola.2015-034 fatcat:w3flumz5anawlp2fcqtljhdilu

A novel design of dehumidifier system in underground pumped storage power station

Huimin Yao, Ang Li, Yuling Lv, Xiong Shen, A. Li, T. Olofsson, R. Kosonen
2022 E3S Web of Conferences  
In this study, numerical modelling was used to simulate the control scheme of the heat and humidity environment.  ...  As a large amount of moisture comes from the external fresh air, in this study, we set the dehumidification system in the underground ventilation tunnel.  ...  Therefore, numerical methods are widely used in the control of thermal and humid environment of underground powerhouse.  ... 
doi:10.1051/e3sconf/202235602008 fatcat:qzkwnx5pcrgx7n36balfg6cgce

The role of grain-environment heterogeneity in normal grain growth: a stochastic approach

Thomas Breithaupt, Lars N. Hansen, Srikanth Toppaladoddi, Richard F. Katz
2021 Acta Materialia  
Crucially, our model indicates that the size of relatively large grains evolves as a random walk due to the inherent variability in their local environments.  ...  The size distribution of grains is a fundamental characteristic of polycrystalline solids. In the absence of deformation, the grain-size distribution is controlled by normal grain growth.  ...  in good agreement with distributions from numerical simulations.  ... 
doi:10.1016/j.actamat.2021.116699 fatcat:lh2x23fkdffgnabtwhmlikioqa

The Indoor Thermal Environment Simulation and Testing Validation of a Power Plant Turbine Room in Extreme Cold Area

Guofu Du, Meiying Lei, Xi Chen, Congxin Huang, Yanjie Lv, Hui Kang, Ruixue Zhang, Baosheng Zhang
2016 Procedia Engineering  
This paper conducts an analysis study on indoor thermal environment of a steam turbine room in power plant by CFD.  ...  Refer to a typical steam turbine room in an actual thermal power plant which has been conducted field test, the typical numerical simulation model is built including a reasonable indoor heat conditions  ...  trend of temperature distribution in the whole room were mainly concerned, so the relative big error in ventilation rate can be accepted.  ... 
doi:10.1016/j.proeng.2016.06.418 fatcat:tbffcbocpbfdpmjpbcvpgdkdli

Numerical Simulation of flow field optimization in Flue Gas Desulfurization Tower with Wet Spray

Q Wu, J Zhou, M Han, L Cui
2020 International Journal of Multiphysics  
The results showed that the velocity distribution of the spray layer and smoke outlet in the section velocity distribution map obtained by numerical simulation was not even and the velocity distribution  ...  after optimization was obviously uniform, while the velocity distribution of the demisting layer before and after optimization was relatively uniform and had little change.  ...  In the numerical simulation, the velocity distribution of the outlet was uneven before optimization, with a relative deviation of 45.6%.  ... 
doi:10.21152/1750-9548.14.3.215 doaj:9d2d51b878cd4f4ca8714124c7cb3500 fatcat:tybxt4dcjfd5lpov3rhfsh6yqa

Adaptive Numerical Cumulative Distribution Functions for Efficient Importance Sampling [article]

Jason Lawrence, Szymon Rusinkiewicz, Ravi Ramamoorthi
2005 Symposium on Rendering  
In this paper, we apply algorithms traditionally used for curve approximation to reduce the size of a multidimensional tabulated Cumulative Distribution Function (CDF) by one to three orders of magnitude  ...  to the distribution of energy in these high-dimensional measured functions.  ...  Sloan research fellowships to Szymon Rusinkiewicz and Ravi Ramamoorthi and a NDSEG fellowhip to Jason Lawrence.  ... 
doi:10.2312/egwr/egsr05/011-020 fatcat:q3ecxpgtzrhmrdt2cw6dwl36fi

Numerical Simulation on the Heat Dissipation of the Outdoor Unit in the Groove of High-Rise Building

Yuan Wang, Xiaoqing Zhou, Ju Tian, Chuansheng Liu, Jian Wang, R. Weerasinghe, C. Fang
2021 E3S Web of Conferences  
Numerical simulation of the thermal environment of a high-rise building is carried out.  ...  In order to study the influence of the heat dissipation of the outdoor unit in the groove of the highrise building.  ...  Numerical simulation model Geometric model The building height in the numerical simulation of the thermal environment is 183.15m.  ... 
doi:10.1051/e3sconf/202123703024 fatcat:3qljlm45tbb67pcrmc65t3tt5y

Temperature field distribution analysis for cargo oil on microwave heating process

Wenfeng Wu, Jiakuo Zhang, Jinshu Lu, Jialin Gao, Fan Sun, Jiajia Deng, Dongze Wei
2020 Thermal Science  
static environment, and then verify the numerical results of the existing experiments.  ...  The microwave field shows a "strong point" distribution characteristic.  ...  Department of Education(Y201942524) and University Students Science and Technology Innovation Activity Plan Project in Zhejiang Province(2019R411030) .  ... 
doi:10.2298/tsci191226133w fatcat:vafcf2l6jfdsfonvwojhi77mma

Prediction of Wall and Indoor Hygrothermal Properties of Rammed Earth Folk House in Northwest Sichuan

Qinglong Gao, Tao Wu, Lei Liu, Yong Yao, Bin Jiang
2022 Energies  
In this paper, a numerical model of the rammed earth folk house in Mianyang was established, and an experimental device was built to verify it.  ...  With the typical meteorological year data of Mianyang in northwest Sichuan, the heat and moisture transfer in rammed earth wall, as well as the indoor thermal and moisture environment were numerically  ...  The relative humidity distribution of the rammed earth wall: (a) the relative humidity distribution of the rammed earth wall in summer; (b) the relative humidity distribution of the rammed earth wall in  ... 
doi:10.3390/en15051936 fatcat:eyom4uir3rfnfjlaolqp7os2we

Numerical Simulation for Optimal Harvesting Strategies of Fish Stock in Fluctuating Environment [chapter]

Lulu Li, Wen Zhao, Lijuan Cao, Hongyan Ao
2011 Communications in Computer and Information Science  
Environmental variation was included in the optimization of harvest to obtain a relation in which the maximum sustainable yield and biomass varied as the environment varied.  ...  The investigation results relation can be applied for management of fisheries at the optimum levels in a fluctuating environment.  ...  Fig. 3 shows stochastic distribution properties of environmental carrying capacity. Fig. 4 shows the variation of population size versus time in fluctuating environment.  ... 
doi:10.1007/978-3-642-23321-0_20 fatcat:jlvtfs2yt5bzjiy46zo2ilt4ui

Comparative Study of Numerical Simulation of Indoor Thermal Environment in the Pattern of Personalized Ventilation and Stratum Ventilation

Taishun Liu, Zeqin Liu, Ge Li, Zhenjun Zuo
2015 Procedia Engineering  
The air distribution of air-conditioned room in the pattern of personalized ventilation and stratum ventilation was simulated respectively with the Fluent airpak numerical simulation software in this paper  ...  Obvious draft sensation wouldn't be produced, as long as the air velocity of the two ventilation modes was controlled in a certain range.  ...  It can be seen in figure 9 that there is a certain deviation between the simulated data and the experimental data, but all of the deviations are less than 0.7 . It is a relatively small value.  ... 
doi:10.1016/j.proeng.2015.09.031 fatcat:qxg7ja2445a5xpd4upkjia4nd4

Enhancement mechanism of the 30 June 2006 precipitation system observed over the northwestern slope of Mt. Halla, Jeju Island, Korea

Keun-Ok Lee, Shingo Shimizu, Masayuki Maki, Cheol-Hwan You, Hiroshi Uyeda, Dong-In Lee
2010 Atmospheric research  
In order to clarify the influence of topography and the low-level moist environment on enhancement of the precipitation system, numerical sensitivity experiments were conducted.  ...  The environment of the precipitation system consisted of near-saturated air (relative humidity (RH): ∼95%) from the surface to 700 hPa and a low lifting condensation level of 951 hPa.  ...  a moist environment (relative humidity (RH): 95%).  ... 
doi:10.1016/j.atmosres.2010.04.008 fatcat:dwl3voto25cwfcwlspctwt4xfi

A Nonlinear approach to measuring the effects of environmental variations [article]

Mihaela D. Iftime
2010 arXiv   pre-print
This paper presents a nonlinear approach to measurements a general framework for dealing with variations of environmental conditions.  ...  I included few examples and applications of our method in Section 3 of this paper.  ...  A relative change in the systems' parameters y and y ′ generated by a fluctuations in the environmental factor are related by a scaling similarity factor s = r r ′ .  ... 
arXiv:1006.3685v1 fatcat:eqwwbcohire7ncvqf4tk5mgtlm
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