Computational evaluation of air jet cooling from a perforated air ducting system to mitigate heat stress of cows in free stalls

M Cao, L Rong, CY Choi, K Wang, X Wang - Computers and Electronics in …, 2022 - Elsevier
Alleviating the heat stress suffered by dairy cows in order to increase their productivity
depends on an effective ventilation system. For this reason, this study evaluated the heat …

Effect of exit-port geometry on the performance of a flow distribution manifold

AW Chen, EM Sparrow - Applied Thermal Engineering, 2009 - Elsevier
A significant issue of manifold design, not heretofore considered, is the geometric shape of
the exit ports as a means for tailoring manifold performance. To investigate the efficacy of …

A computational fluid dynamics model of a perforated polyethylene tube ventilation system for dairy operations

MR Mondaca, CY Choi - Transactions of the ASABE, 2016 - elibrary.asabe.org
The primary objective of this study was to create and validate a computational fluid dynamics
(CFD) model capable of replicating the flow distribution created by a positive-pressure …

[HTML][HTML] CFD investigation on a novel pen partition-attached jet air supply for mitigating heat stress among lactating sows

G Chen, G Zhang, B Bjerg, P Pedersen… - … and Electronics in …, 2024 - Elsevier
To effectively mitigate heat stress among lactating sows, this study proposed a novel pen
partition-attached jet air supply (PJAS) and compared its performance with commercial …

Rectangular supply ducts with varying cross section providing uniform air distribution

L Czetany, Z Szantho, P Lang - Applied thermal engineering, 2017 - Elsevier
A simple 1D theoretical model is suggested, with which it is possible to design ventilation
ducts that are capable of providing uniform air distribution on the outlets. Detailed analysis is …

Effect of the rectangular exit-port geometry of a distribution manifold on the flow performance

H Yang, Y Wang, M Ren, X Yang - Applied Thermal Engineering, 2017 - Elsevier
Flow distribution performance of the distribution manifold is the most important index to
evaluate its design rationality. To date, many published literatures have extensively …

A study on the exit flow characteristics determined by the orifice configuration of multi-perforated tubes

S Lee, N Moon, J Lee - Journal of mechanical science and technology, 2012 - Springer
A multi-perforated tube indicates the existence of multiple holes in various shapes on the
surface of long cylinder-type or rectangular tubes, and the hole installed on the surface is …

Effects of additively manufactured surface roughness on small diameter plenums with multiple side discharges for high temperature gas turbine blade cooling …

MJ Yip, D Straub, A Roy, E Robey… - International Journal of …, 2023 - dl.begellhouse.com
Combined heat and power (CHP) applications have significant environmental and economic
benefits that are consistent with the goals of the US Department of Energy (DOE). One area …

Discharge Coefficients for Circular Side Outlets

L Czetany, P Lang - Journal of Fluids Engineering, 2018 - asmedigitalcollection.asme.org
Fluid distributors are widely used in various industrial and ventilation applications. For the
appropriate design of such distributors, the discharge coefficient has to be known to predict …

Investigation of an open refrigeration cabinet using computational simulations with supporting experiments

BN George, DR Buttsworth - ASME …, 2000 - asmedigitalcollection.asme.org
Abstract Computational Fluid Dynamics simulations of a self-contained open refrigeration
display cabinet have been performed. Experimental measurements of the cabinet operation …