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Journal articles on the topic 'Hydraulic architecture'

Author: Grafiati

Published: 4 June 2021

Last updated: 21 December 2024

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1

Sperry, John. "Hydraulic architecture of palms." Giornale botanico italiano 129, no. 1 (1995): 482–90. http://dx.doi.org/10.1080/11263509509436166.

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2

Vanderborght, Jan, Valentin Couvreur, Felicien Meunier, et al. "From hydraulic root architecture models to macroscopic representations of root hydraulics in soil water flow and land surface models." Hydrology and Earth System Sciences 25, no. 9 (2021): 4835–60. http://dx.doi.org/10.5194/hess-25-4835-2021.

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Abstract. Root water uptake is an important process in the terrestrial water cycle. How this process depends on soil water content, root distributions, and root properties is a soil–root hydraulic problem. We compare different approaches to implement root hydraulics in macroscopic soil water flow and land surface models. By upscaling a three-dimensional hydraulic root architecture model, we derived an exact macroscopic root hydraulic model. The macroscopic model uses the following three characteristics: the root system conductance, Krs, the standard uptake fraction, SUF, which represents the u

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3

Leifeld, Roland, Milos Vukovic, and Hubertus Murrenhoff. "Hydraulic Hybrid Architecture for Excavators." ATZoffhighway worldwide 9, no. 3 (2016): 44–49. http://dx.doi.org/10.1007/s41321-016-0523-9.

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4

Tiboni, Monica. "Power Drive Architectures for Industrial Hydraulic Axes: Energy-Efficiency-Based Comparative Analysis." Applied Sciences 13, no. 18 (2023): 10066. http://dx.doi.org/10.3390/app131810066.

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In hydraulic systems, energy dissipation can be significant. The pressure losses that can occur in the hydraulic circuit, which are influenced by the adopted drive architecture, result in power consumption that is often significantly higher than that required by the mechanical system. This paper presents a comparative study of the energy efficiency of five common drive architectures in industrial hydraulic axes. The analysis is applied to a variable speed and force hydraulic blanking press, a fairly common industrial system, e.g., in the manufacture of semi-finished brass products. Standard, r

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5

Carvalho, Mónica R., Robert Turgeon, Thomas Owens, and Karl J. Niklas. "The hydraulic architecture of Ginkgo leaves." American Journal of Botany 104, no. 9 (2017): 1285–98. http://dx.doi.org/10.3732/ajb.1700277.

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6

Hacke, Uwe G. "Irradiance-induced changes in hydraulic architecture." Botany 92, no. 6 (2014): 437–42. http://dx.doi.org/10.1139/cjb-2013-0200.

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The ability to acclimate to a range of light regimes is important, given that shady understory habitats can receive only a fraction of the light available at the top of the canopy. Sun and shade leaves are known to differ in their set of biochemical and morphological characteristics. In recent years, much has also been learned about the effect of shade on xylem structure and function. Several studies found that shaded plants had narrower xylem conduits than plants growing in full sun. Among the most notable responses induced by shade is a shift of xylem vulnerability to cavitation. Shaded plan

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7

Chen, Cai, Xu Wang, and Changming Zhou. "Architecture design for civil aircraft hydraulic system." Journal of Physics: Conference Series 2457, no. 1 (2023): 012009. http://dx.doi.org/10.1088/1742-6596/2457/1/012009.

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Abstract The hydraulic system is a highly complex system for civil aircraft. System Engineering is a method to solve complex and comprehensive problems. To reduce the development risk, this paper establishes a hydraulic system architecture design model based on system engineering using system ideas and analysis methods. With this model, several aspects of hydraulic system architecture design are discussed, including input, requirements analysis, functional analysis, system synthesis, and system balance.

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Gaiola, Andrea, Barbara Zardin, Paolo Casoli, et al. "The Hydraulic Power Generation and Transmission on Agricultural Tractors: feasible architectures to reduce dissipation and fuel consumption – Part I." E3S Web of Conferences 197 (2020): 07009. http://dx.doi.org/10.1051/e3sconf/202019707009.

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This paper is aimed at investigating the benefits in terms of energy efficiency of new electro-hydraulic architectures for power distribution systems of a medium-size agricultural tractor, with a focus on the hydraulic high-pressure circuit. The work is part of a wider industrial research project called TASC (Smart and Clean Agricultural Tractors [1]). Traditional and alternative architectures have been modelled and energetically compared through simulation, using a lumped parameter approach. Experimental data previously acquired have been used to validate the models and to replicate real work

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9

Christoffersen, Bradley O., Manuel Gloor, Sophie Fauset, et al. "Linking hydraulic traits to tropical forest function in a size-structured and trait-driven model (TFS v.1-Hydro)." Geoscientific Model Development 9, no. 11 (2016): 4227–55. http://dx.doi.org/10.5194/gmd-9-4227-2016.

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Abstract. Forest ecosystem models based on heuristic water stress functions poorly predict tropical forest response to drought partly because they do not capture the diversity of hydraulic traits (including variation in tree size) observed in tropical forests. We developed a continuous porous media approach to modeling plant hydraulics in which all parameters of the constitutive equations are biologically interpretable and measurable plant hydraulic traits (e.g., turgor loss point πtlp, bulk elastic modulus ε, hydraulic capacitance Cft, xylem hydraulic conductivity ks,max, water potential at 5

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Ishii, Hiroaki, Wakana Azuma, Ayumi Shiraki, and Keiko Kuroda. "Hydraulic Architecture and Function of Tall Trees." Journal of the Japanese Forest Society 99, no. 2 (2017): 74–83. http://dx.doi.org/10.4005/jjfs.99.74.

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11

Darlington, Alan B., and Michael A. Dixon. "The hydraulic architecture of roses (Rosa hybrida)." Canadian Journal of Botany 69, no. 4 (1991): 702–10. http://dx.doi.org/10.1139/b91-095.

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The presence of an abscission zone in the stem of greenhouse roses (Rosa hybrida) between the vegetative and reproductive components was verified. This led to a description of the hydraulic architecture of the rose stem. The structural aspects of the xylem conducting system in stem, abscission zone and peduncle were examined to define their relative roles in the delivery of water via the stem to the transpiring plant surfaces and the extent to which their functional capacity may be influenced by environmental variables such as humidity. The stem exhibited a highly developed xylem with many lar

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12

Martínez-Vilalta, Jordi, Anna Sala, and Josep Piñol. "The hydraulic architecture of Pinaceae – a review." Plant Ecology (formerly Vegetatio) 171, no. 1/2 (2004): 3–13. http://dx.doi.org/10.1023/b:vege.0000029378.87169.b1.

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13

Zolfaghar, Sepideh, Randol Villalobos-Vega, Melanie Zeppel, and Derek Eamus. "The hydraulic architecture of Eucalyptus trees growing across a gradient of depth-to-groundwater." Functional Plant Biology 42, no. 9 (2015): 888. http://dx.doi.org/10.1071/fp14324.

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Heterogeneity in water availability acts as an important driver of variation in plant structure and function. Changes in hydraulic architecture represent a key mechanism by which adaptation to changes in water availability can be expressed in plants. The aim of this study was to investigate whether differences in depth-to-groundwater influence the hydraulic architecture of Eucalyptus trees in remnant woodlands within mesic environments. Hydraulic architecture of trees was examined in winter and summer by measuring the following traits: Huber value (HV: the ratio between sapwood area and leaf a

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14

Hochberg, Uri, Asfaw Degu, Tanya Gendler, Aaron Fait, and Shimon Rachmilevitch. "The variability in the xylem architecture of grapevine petiole and its contribution to hydraulic differences." Functional Plant Biology 42, no. 4 (2015): 357. http://dx.doi.org/10.1071/fp14167.

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Grapevine cultivars possess large variability in their response to water availability, and are therefore considered as a good model to study plant hydraulic adjustments. The current research compared the petiole anatomy of two grapevine (Vitis vinifera L.) cultivars, Shiraz and Cabernet Sauvignon, in respect to hydraulic properties. Hydraulic differences between the cultivar petioles were tested over 3 years (2011–2013). Anatomical differences, hydraulic conductivity and embolism were tested under terminal drought conditions. Additionally, xylem differentiation under well watered (WW) and wate

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15

McCulloh, K. A., and D. R. Woodruff. "Linking stomatal sensitivity and whole-tree hydraulic architecture." Tree Physiology 32, no. 4 (2012): 369–72. http://dx.doi.org/10.1093/treephys/tps036.

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16

Zotz, G. "Water relations and hydraulic architecture of woody hemiepiphytes." Journal of Experimental Botany 48, no. 315 (1997): 1825–33. http://dx.doi.org/10.1093/jexbot/48.315.1825.

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17

Zotz, Gerhard, Sandra Patiño, and Melvin T. Tyree. "Water relations and hydraulic architecture of woody hemiepiphytes." Journal of Experimental Botany 48, no. 10 (1997): 1825–33. http://dx.doi.org/10.1093/jxb/48.10.1825.

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18

Cruiziat, Pierre, Herv� Cochard, and Thierry Am�glio. "Hydraulic architecture of trees: main concepts and results." Annals of Forest Science 59, no. 7 (2002): 723–52. http://dx.doi.org/10.1051/forest:2002060.

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19

Dindorf, Ryszard Filip. "Functional Safety of the Hydraulic Drive Control System of a Tracked Undercarriage." Archives of Automotive Engineering – Archiwum Motoryzacji 103, no. 1 (2024): 21–37. http://dx.doi.org/10.14669/am/178310.

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In the study, the functional safety of the hydraulic drive control system of a tracked undercarriage used as a mobile platform for a robotic bricklaying system (RBS) was evaluated. Hazards and risks caused by the hydraulic drive control system of the rubber track undercarriage were identified. The schematic diagram and main components of the conventional hydraulic drive control system of a tracked undercarriage are presented. The functions and parameters of the components of the hydraulic power and control system are discussed. In a conventional hydraulic drive, the safety function is fulfille

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20

Wang, Long Hui, and Yong Wang. "Design of Direct Drive Electro-Hydraulic Actuator Based on Internet of Things Technology." Advanced Materials Research 945-949 (June 2014): 1601–5. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.1601.

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Direct drive electro-hydraulic actuator is a new type of hydraulic transmission with easy maintenance and high efficiency, which has been widely used in municipal engineering (such as water pipe network, gas pipe network), nuclear power plants, and other occasions. For these applications, we designed the electro-hydraulic valve actuator based on Internet of things technology (IOT for short). This paper introduces the mechanical structure and the working principle of the direct-drive electro-hydraulic valve actuator, analyzes IOT architecture. Detailed design was carried on according to the IOT

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21

Li, Wei Min, Tie Jun Li, and Shu Fen Liu. "Key Technology and System Implementation of Distributed Collaborative Design in Hydraulic System." Applied Mechanics and Materials 16-19 (October 2009): 1377–81. http://dx.doi.org/10.4028/www.scientific.net/amm.16-19.1377.

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The state-of-art of collaborative hydraulic system design and the necessity to carry on collaborative hydraulic system design are summarized. The architecture and implementation methodology of Web-based collaborative product design system are presented, with some key techniques of implementing collaborative hydraulic system design being discussed in detail.

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22

Nie, Chunhui, Yimin Shao, Chris K. Mechefske, Dingqiang Peng, and Xiaodong Yang. "Pipe architecture optimization of the parallel Hydraulic-pneumatic hybrid system using a hydraulic transformer." Energy Conversion and Management 266 (August 2022): 115858. http://dx.doi.org/10.1016/j.enconman.2022.115858.

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23

He, Xunan, YuanLi Kang, and Yannian Hui. "Modeling and Analysis of Different Architecture for Civil Aircraft Hydraulic System." Journal of Physics: Conference Series 2068, no. 1 (2021): 012028. http://dx.doi.org/10.1088/1742-6596/2068/1/012028.

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Abstract For the evaluation of civil aircraft hydraulic system, Fuel Consumption is a very important index. However, there is no effective method to perform analysis for different architecture. This paper proposes that taking fuel weight penalty as a major mathmatical modeling method to analysis traditional architecture and more electric architecture. The result shows that the fuel consumption of more electric architecture is less than traditional architecture.

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24

Mallak, Ahlam, and Madjid Fathi. "Sensor and Component Fault Detection and Diagnosis for Hydraulic Machinery Integrating LSTM Autoencoder Detector and Diagnostic Classifiers." Sensors 21, no. 2 (2021): 433. http://dx.doi.org/10.3390/s21020433.

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Anomaly occurrences in hydraulic machinery might lead to massive system shut down, jeopardizing the safety of the machinery and its surrounding human operator(s) and environment, and the severe economic implications following the faults and their associated damage. Hydraulics are mostly placed in ruthless environments, where they are consistently vulnerable to many faults. Hence, not only are the machines and their components prone to anomalies, but also the sensors attached to them, which monitor and report their health and behavioral changes. In this work, a comprehensive applicational analy

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Mallak, Ahlam, and Madjid Fathi. "Sensor and Component Fault Detection and Diagnosis for Hydraulic Machinery Integrating LSTM Autoencoder Detector and Diagnostic Classifiers." Sensors 21, no. 2 (2021): 433. http://dx.doi.org/10.3390/s21020433.

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Anomaly occurrences in hydraulic machinery might lead to massive system shut down, jeopardizing the safety of the machinery and its surrounding human operator(s) and environment, and the severe economic implications following the faults and their associated damage. Hydraulics are mostly placed in ruthless environments, where they are consistently vulnerable to many faults. Hence, not only are the machines and their components prone to anomalies, but also the sensors attached to them, which monitor and report their health and behavioral changes. In this work, a comprehensive applicational analy

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26

Decombeix, Anne-Laure, Anaïs Boura, and Alexandru M. F. Tomescu. "Plant hydraulic architecture through time: lessons and questions on the evolution of vascular systems." IAWA Journal 40, no. 3 (2019): 387–420. http://dx.doi.org/10.1163/22941932-40190254.

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ABSTRACTStudies of anatomically preserved fossils provide a wealth of information on the evolution of plant vascular systems through time, from the oldest evidence of vascular plants more than 400 million years ago to the rise of the modern angiosperm-dominated flora. In reviewing the key contributions of the fossil record, we discuss knowledge gaps and major outstanding questions about the processes attending the evolution of vascular systems. The appearance and diversification of early vascular plants in the late Silurian-Devonian was accompanied by the evolution of different types of trache

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27

Cao, Xun, Yan Li, Xin-Jun Zheng, Jiang-Bo Xie, and Zhong-Yuan Wang. "An Inherent Coordination between the Leaf Size and the Hydraulic Architecture of Angiosperm Trees." Forests 13, no. 8 (2022): 1287. http://dx.doi.org/10.3390/f13081287.

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Leaf veins are the continuation of twigs, and the hydraulic system of a leaf is part of, and the continuation of, the hydraulic architecture of a tree. Previous studies have demonstrated that the vessel diameter of the widest part at the tree base is tightly related to the total stem length of a tree. Here, we demonstrate that: the vessel diameter of the narrowest part at the distal end of the tree (the terminal twigs) is closely correlated to the leaf size for an angiosperm tree. Consequently, the basic feature of the hydraulic system of an angiosperm tree may be predicted by two simple param

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Cisneros-de la Cruz, Diana J., Laura Yáñez-Espinosa, Casandra Reyes-García, Roberth Us-Santamaría, and José Luis Andrade. "Hydraulic architecture of seedlings and adults of Rhizophora mangle L. in fringe and scrub mangrove." Botanical Sciences 100, no. 2 (2021): 370–82. http://dx.doi.org/10.17129/botsci.2906.

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Background: Mangrove plant species have distinctive anatomical and physiological responses to cope with a wide range of salinities and inundations. These strategies pertain a safe and efficient water use and transport, essential for survival. Questions: How are the anatomical and physiological attributes of the hydraulic architecture of seedlings and adults of Rhizophora mangle? what are the changes in hydraulic architecture of seedlings and adults of R. mangle in contrasting microenvironments? Studied species: Rhizophora mangle L. (Rhizophoraceae). Study site and dates: Scru

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29

Rockwell, Fulton E., and N. Michele Holbrook. "Leaf Hydraulic Architecture and Stomatal Conductance: A Functional Perspective." Plant Physiology 174, no. 4 (2017): 1996–2007. http://dx.doi.org/10.1104/pp.17.00303.

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30

Jyske, Tuula, and Teemu Hölttä. "Comparison of phloem and xylem hydraulic architecture inPicea abiesstems." New Phytologist 205, no. 1 (2014): 102–15. http://dx.doi.org/10.1111/nph.12973.

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31

Carvalho, Mónica R., Robert Turgeon, Thomas Owens, and Karl J. Niklas. "The scaling of the hydraulic architecture in poplar leaves." New Phytologist 214, no. 1 (2017): 145–57. http://dx.doi.org/10.1111/nph.14385.

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32

Peña, Oscar R., and Michael J. Leamy. "An efficient architecture for energy recovery in hydraulic elevators." International Journal of Fluid Power 16, no. 2 (2015): 83–98. http://dx.doi.org/10.1080/14399776.2015.1055991.

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33

TYREE, MELVIN T., and FRANK W. EWERS. "The hydraulic architecture of trees and other woody plants." New Phytologist 119, no. 3 (1991): 345–60. http://dx.doi.org/10.1111/j.1469-8137.1991.tb00035.x.

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34

Zwieniecki, M. A., P. J. Melcher, C. K. Boyce, L. Sack, and N. M. Holbrook. "Hydraulic architecture of leaf venation in Laurus nobilis L." Plant, Cell & Environment 25, no. 11 (2002): 1445–50. http://dx.doi.org/10.1046/j.1365-3040.2002.00922.x.

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35

Poyatos, R., J. Martínez-Vilalta, J. Čermák, et al. "Plasticity in hydraulic architecture of Scots pine across Eurasia." Oecologia 153, no. 2 (2007): 245–59. http://dx.doi.org/10.1007/s00442-007-0740-0.

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36

NARDINI, ANDREA, and FRANCO PITT. "Drought resistance ofQuercus pubescensas a function of root hydraulic conductance, xylem embolism and hydraulic architecture." New Phytologist 143, no. 3 (1999): 485–93. http://dx.doi.org/10.1046/j.1469-8137.1999.00476.x.

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37

Jaumann, Stefan, and Kurt Roth. "Soil hydraulic material properties and layered architecture from time-lapse GPR." Hydrology and Earth System Sciences 22, no. 4 (2018): 2551–73. http://dx.doi.org/10.5194/hess-22-2551-2018.

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Abstract. Quantitative knowledge of the subsurface material distribution and its effective soil hydraulic material properties is essential to predict soil water movement. Ground-penetrating radar (GPR) is a noninvasive and nondestructive geophysical measurement method that is suitable to monitor hydraulic processes. Previous studies showed that the GPR signal from a fluctuating groundwater table is sensitive to the soil water characteristic and the hydraulic conductivity function. In this work, we show that the GPR signal originating from both the subsurface architecture and the fluctuating gr

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38

Borodychev, V. V., M. N. Lytov, and A. S. Razin. "Algorithm for computer modeling of combined irrigation systems hydraulic parameters." IOP Conference Series: Earth and Environmental Science 843, no. 1 (2021): 012052. http://dx.doi.org/10.1088/1755-1315/843/1/012052.

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Abstract A feature of combined irrigation systems is the integration of various technologies and methods of irrigation with the implementation of such a possibility on the basis of a single technical system. The hydraulic calculation of such systems is more complicated, since it is assumed that it is possible to implement various modes of operation, which differ by the combination of hydraulic parameters. The operating modes are determined by the combination of the involved irrigation technologies carried out simultaneously. The research has proposed an algorithm for the computer simulation of

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39

David, Teresa S., Jorge S. David, Clara A. Pinto, Jan Cermak, Valery Nadezhdin, and Nadezhda Nadezhdina. "Hydraulic connectivity from roots to branches depicted through sap flow: analysis on a Quercus suber tree." Functional Plant Biology 39, no. 2 (2012): 103. http://dx.doi.org/10.1071/fp11185.

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The topology of the xylem network is likely to affect the transport of water, propagation of embolism and plant survival and growth. Few studies have been conducted on the hydraulics of the entire water pathway in trees. We evaluated the hydraulic connections from roots to branches in a mature Quercus suber L. tree, through sap flow responses upon branch severing. Sap flow was recorded in branches, stem and roots by the heat field deformation (HFD) method. Results showed that roots, except for the taproot, were hydraulically connected to all branches, but the rest of the tree (stem, branches a

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40

Zilka, Vladimir, Pavol Bisták, and Peter Kurcik. "Hydraulic Plant Remote Laboratory." International Journal of Online and Biomedical Engineering (iJOE) 4 (July 15, 2008): 69–73. http://dx.doi.org/10.3991/ijoe.v4i0.587.

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In this paper we present a three tank hydraulic system and possibilities how it can be used for the purpose of remote laboratories. The concept of our remote laboratory is based on client â?? server architecture. We compare two different approaches of remote control. First one uses a Java Server application implemented together with a control algorithm on the server side. In this case the control algorithm is realized in the Matlab/Simulink environment. There is necessary to exchange data between the Matlab and the Java Server application what is done through the COM technology. The second app

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41

Ghandour, Maysoon, Subhi Jleilaty, Naima Ait Oufroukh, Serban Olaru, and Samer Alfayad. "Real-Time EtherCAT-Based Control Architecture for Electro-Hydraulic Humanoid." Mathematics 12, no. 9 (2024): 1405. http://dx.doi.org/10.3390/math12091405.

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Electro-hydraulic actuators have witnessed significant development over recent years due to their remarkable abilities to perform complex and dynamic movements. Integrating such an actuator in humanoids is highly beneficial, leading to a humanoid capable of performing complex tasks requiring high force. This highlights the importance of safety, especially since high power output and safe interaction seem to be contradictory; the greater the robot’s ability to generate high dynamic movements, the more difficult it is to achieve safety, as this requires managing a large amount of motor energy be

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42

Harayama, Hisanori, Mitsutoshi Kitao, Evgenios Agathokleous, and Atsushi Ishida. "Effects of major vein blockage and aquaporin inhibition on leaf hydraulics and stomatal conductance." Proceedings of the Royal Society B: Biological Sciences 286, no. 1904 (2019): 20190799. http://dx.doi.org/10.1098/rspb.2019.0799.

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The density and architecture of leaf veins determine the network and efficiency of water transport within laminae and resultant leaf gas exchange and vary widely among plant species. Leaf hydraulic conductance ( K leaf ) can be regulated by vein architecture in conjunction with the water channel protein aquaporin. However, our understanding of how leaf veins and aquaporins affect leaf hydraulics and stomatal conductance ( g s ) remains poor. By inducing blockage of the major veins and inhibition of aquaporin activity using HgCl 2 , we examined the effects of major veins and aquaporins on K lea

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43

Lo Gullo, Maria A., Fabio Raimondo, Alessandro Crisafulli, Sebastiano Salleo, and Andrea Nardini. "Leaf hydraulic architecture and water relations of three ferns from contrasting light habitats." Functional Plant Biology 37, no. 6 (2010): 566. http://dx.doi.org/10.1071/fp09303.

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Leaf hydraulic architecture and water relations of three fern species were measured. The species selected were adapted either to deeply shaded (Woodwardia radicans), moderately shaded (Dryopteris affinis) or moderately sunny (Polystichum setiferum) habitats, as confirmed by microclimatic measurements performed in the field. Leaf water potential (Ψleaf) was lower and leaf conductance to water vapour (gL) was higher in P. setiferum than in the shade-adapted ferns. Leaf osmotic potential and water potential at the turgor loss point were lower in the sun-adapted species than in the other ferns. Le

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44

ANTONOV, A. S., O. D. RUBIN, and E. M. KOBOCHKINA. "IMPROVEMENT OF THE INFORMATION AND DIAGNOSTIC SYSTEM OF THE SOFTWARE AND HARDWARE COMPLEX TO ENSURE THE SECURITY OF GTS." Prirodoobustrojstvo, no. 1 (2021): 73–78. http://dx.doi.org/10.26897/1997-6011-2021-1-73-78.

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The need to create a single unified information and diagnostic system to ensure the safe operation of hydraulic structures is caused by the requirements of the Federal Law ”On the safety of hydraulic structures“ (No. 117-FZ). At the current moment, the systems used are heterogeneous and are being developed according to the requirements of operation and expert organizations, while the uniformity of terminology and approach to assessing the state of objects is not ensured. The purpose of this work is to define approaches and to develop architecture for a unified information and diagnostic system

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45

Gupta, Chetali, Madeline J. Sverdlove, and Newell R. Washburn. "Molecular architecture requirements for polymer-grafted lignin superplasticizers." Soft Matter 11, no. 13 (2015): 2691–99. http://dx.doi.org/10.1039/c4sm02675f.

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Superplasticizers are a class of anionic polymer dispersants used to inhibit aggregation in hydraulic cement. We demonstrate that polymer-grafted lignin can be a highly effective superplasticizer when the molecular architecture is based on a lignin core with a hydrophilic polymer corona.

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46

Sangsing, Krissada, Hervé Cochard, Poonpipope Kasemsap, et al. "Is growth performance in rubber (Hevea brasiliensis) clones related to xylem hydraulic efficiency?" Canadian Journal of Botany 82, no. 7 (2004): 886–91. http://dx.doi.org/10.1139/b04-083.

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Hydraulic efficiency, xylem pressure, and stomatal conductance were measured in two Hevea clones having contrasting growth performances in their immature phase. Hydraulic efficiency was estimated by the xylem resistance on a leaf area basis on stem, petiole segments, and whole branches. The fast-growing clone exhibited significantly higher xylem efficiency, higher stomatal conductance, and higher xylem pressure. The difference in xylem pressure between the two clones was quantitatively consistent with the differences in hydraulic resistance and leaf transpiration rates. Our results suggest tha

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47

McClenahan, Kate, Catriona Macinnis-Ng, and Derek Eamus. "Hydraulic architecture and water relations of several species at diverse sites around Sydney." Australian Journal of Botany 52, no. 4 (2004): 509. http://dx.doi.org/10.1071/bt03123.

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Seasonal comparisons of leaf water potential, root biomass, hydraulic architecture, xylem embolism and xylem dimensions were made for eight woody species in four diverse habitats (mangroves, coastal heathland, ridge-top woodland and river-flat woodland). In most comparisons, pre-dawn and minimum leaf water potentials were lower in winter than in summer, a result attributed to lower rainfall and a smaller root biomass in winter than in summer. Branch hydraulic conductivities (per unit transverse area, sapwood area or leaf area) were generally larger in summer than in winter across all species i

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Stump, Patrick, Nathan Keller, and Andrea Vacca. "Energy Management of Low-Pressure Systems Utilizing Pump-Unloading Valve and Accumulator." Energies 12, no. 23 (2019): 4423. http://dx.doi.org/10.3390/en12234423.

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In the context of improving energy efficiency and fuel consumption of mobile hydraulic equipment, it is important to analyze all the sources of power loss occurring within the hydraulic systems. While plenty of analyses have been performed on the working implements and the main transmission systems, very little attention has been paid to low-pressure (LP) systems until recently. LP systems are required on closed-circuit hydraulic systems to replenish losses, provide cooling flow, and maintain a pilot pressure necessary to operate hydraulic control valves and variable displacement units. It is

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Khatibi, Rahman, Dave Jackson, John Curtin, Chris Whitlow, Adri Verwey, and Paul Samuels. "Vision statement on open architecture for hydraulic modelling software tools." Journal of Hydroinformatics 6, no. 1 (2004): 57–74. http://dx.doi.org/10.2166/hydro.2004.0005.

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This paper identifies the philosophy of open architecture as a feasible vision capable of transforming modelling software packages into living products. This vision, invoked within the specific context of software production in the field of flood forecasting within the Environment Agency, promotes the emerging requirements and consensus of users, academics and software producers. In the past, the philosophy of closed architecture dominated the use, development resources and investment in modelling systems by producers and users. As closed architecture encourages the development of monolithic s

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McCulloh, K. A., and J. S. Sperry. "Patterns in hydraulic architecture and their implications for transport efficiency." Tree Physiology 25, no. 3 (2005): 257–67. http://dx.doi.org/10.1093/treephys/25.3.257.

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