Academic literature on the topic 'Leaf spring'

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Journal articles on the topic "Leaf spring"

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IJRAME, Journal. "DESIGN ANALYSIS OF STRUCTURAL STEEL LEAF SPRING AND GLASS FIBER LEAF SPRING." International Journal of Research in Aeronautical and Mechanical Engineering 12, no. 10 (2024): 16–31. https://doi.org/10.5281/zenodo.13897308.

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Leaf spring used for vehicle to support the entire weight of vehicle, to provide passenger comfort by absorbing shocks and vibrations, to control axle damping. But steel leaf spring having higher weight (Up to 10–20% of the overall unsprung weight of the vehicle) and major Challenge is to reduce the weight of leaf spring by maintaining its properties. Hence composite material used instead of steel leaf spring as it is light in weight, its extensive properties like high strength, high stiffness, corrosion resistance, low density, high fracture and good toughness. Design analysis done for
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Aggarwal, Shivam, M. L. Aggarwal, and Krishan Verma. "Investigation regarding the Replacement of Composite Material Leaf Springs with Spring Steel Leaf Springs in Automotive Vehicles: A Review." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (2022): 012080. http://dx.doi.org/10.1088/1757-899x/1248/1/012080.

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Abstract Leaf Springs finds vast applications in different types of mechanical systems. In spite of lot of research, spring steel leaf springs finds a lot of applications in all types of heavy vehicle. Composite leaf springs represent some application of composite materials in the field of automotive lightweight materials. However, the composite material finds limited applications in the form of mono leaf but for multi leaf in heavy vehicles, its application is rare due to certain issues including delamination. Stiffness and damping properties are the critical parameter of composite leaf sprin
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Reddy, K. Vinay Kumar, B. Bhaskar, and Gautam Raj G. Vinay Kumar. "Additive Manufacturing of Leaf Spring." International Journal of Trend in Scientific Research and Development Volume-3, Issue-3 (2019): 1666–67. http://dx.doi.org/10.31142/ijtsrd23528.

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Aggarwal, Shivam, M. L. Aggarwal, and Krishan Verma. "Optimization of Various Percentage of Fibers in Fiber Reinforced Composite Material Leaf Springs in Vehicles." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (2022): 012097. http://dx.doi.org/10.1088/1757-899x/1248/1/012097.

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Abstract A spring steel leaf spring is commonly used for suspension system in all types of loading vehicles due to its good stiffness and fatigue strength. Today, spring steel leaf springs are used in majority of applications but they are heavy in weight, poor in terms of gets corrosion resistance and average in ride comfort. Fiber reinforced composite material leaf spring represents a key application of composite materials in the field of automotive vehicles due to improved ride comfort and light in weight. Stiffness, fatigue life and damping capacity are the critical parameter of fiber reinf
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Kiran, Jadhav* Rahul Joshi Dr Pradip Kumar Patil. "ANALYSIS OF VIBRATION ON MULTI-LEAF SPRING IN AN AUTOMOBILE UNDER LOADING USING FEM TOOL ANSYS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 5, no. 6 (2016): 248–56. https://doi.org/10.5281/zenodo.54788.

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The leaf springs are widely used in suspension system of railway carriages and automobiles. But the form in which it is normally seen is laminated leaf spring.To assure proper spring life, the maintenance and inspection process must include the entire suspension system of springs and chassis parts. The motoring public has learned that proper maintenance on their vehicles is essential to obtain longer life and economical service in this age of rising equipment and fuel costs. In most normal maintenance checks, the spring suspension system is sorely overlooked, but a minimum of attention to the
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IJRAME, Journal. "DESIGN ANALYSIS OF STRUCTURAL STEEL AND CARBON FIBER LEAF SPRING." International Journal of Research in Aeronautical and Mechanical Engineering 12, no. 10 (2024): 01–15. https://doi.org/10.5281/zenodo.13897272.

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The objective within the automotive sector is to decrease weight of the leaf spring. This weight reduction can achieved through the integration of advanced materials, optimized designs, and enhanced manufacturing practices. The industry has demonstrated considerable enthusiasm for replacing conventional steel leaf springs with those made from composites, due to their superior strength-to-weight ratio and enhanced capacity for strain energy storage. Research into the utilization of carbon fiber materials allows for a reduction in spring weight while preserving load-bearing strength. The selecti
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Besekar, Snehal S. "Design and Analysis of Leaf Spring Using Ansys." International Journal for Research in Applied Science and Engineering Technology 11, no. 3 (2023): 1034–39. http://dx.doi.org/10.22214/ijraset.2023.49583.

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Abstract: The leaf springs are different spring styles used for automotive suspension systems. In addition to the use of energy absorption equipment, the ends of the spring can be pointed in a certain direction as it deflects as a structural function. Not primarily supporting vertical loads but isolating road-induced vibration is the principal feature of leaf spring. The present research aims at studying the safe load of the leaf spring, showing how easily an easy, safe driving speed is achieved. A standard TATA-407 light commercial vehicle leaf spring configuration is chosen. Finite element a
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Funde, Bhushan, and Prof Ritesh Banpurkar. "A Review Paper on Design and Analysis of Leaf Spring." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 4011–16. http://dx.doi.org/10.22214/ijraset.2022.43315.

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Abstract: This paper reviews some of the general study on the design, analysis and fabrication of composite leaf spring. Leaf springs are one of the oldest suspension components they are still frequently used, especially in commercial vehicles. The literature has indicated a growing interest in the replacement of steel spring with composite leaf spring.The suspension system in a vehicle significantly affects the behavior of vehicle, i.e. vibration characteristics including ride comfort, stability etc. Leaf springs are commonly used in the vehicle suspension system and are subjected to millions
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Funde, Bhushan, and Prof Ritesh Banpurkar. "A Review Paper on Design and Analysis of Leaf Spring." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 4011–16. http://dx.doi.org/10.22214/ijraset.2022.43315.

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Abstract: This paper reviews some of the general study on the design, analysis and fabrication of composite leaf spring. Leaf springs are one of the oldest suspension components they are still frequently used, especially in commercial vehicles. The literature has indicated a growing interest in the replacement of steel spring with composite leaf spring.The suspension system in a vehicle significantly affects the behavior of vehicle, i.e. vibration characteristics including ride comfort, stability etc. Leaf springs are commonly used in the vehicle suspension system and are subjected to millions
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Kim, S.-S., W. Moon, and Y.-I. Yoo. "Noise from progressive multi-leaf springs and methods for its reduction." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 217, no. 1 (2003): 1–12. http://dx.doi.org/10.1243/095440703762702923.

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The noise produced by progressive multi-leaf springs was investigated. Experiments on progressive multi-leaf springs indicated that the source of the noise was contact between the main and help springs. The contact between the two leaves was examined by numerical simulations of spring deformation with changes in the applied external load; these simulations were carried out using ABAQUS. The parameters that potentially influence the unexpected noise in the progressive multi-leaf spring were investigated through a review of the structural characteristics of the spring. Two candidates were then s
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Dissertations / Theses on the topic "Leaf spring"

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Christ, Florian. "Adaption and evaluation of transversal leaf spring suspension design for a lightweight vehicle using Adams/Car." Thesis, KTH, Fordonsdynamik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180035.

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This investigation deals with the suspension of a lightweight medium-class vehicle for four passengers with a curb weight of 1000 kg. The suspension layout consists of a transversal leaf spring and is supported by an active air spring which is included in the damper. The lower control arms are replaced by the leaf spring ends. Active ride height control is introduced to compensate for different vehicle load states. Active steering is applied using electric linear actuators with steer-by wire design. Besides intense use of light material the inquiry should investigate whether elimination of sus
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Chianumba, Arinzechukwu Josiah. "Design, analysis, and testing of a taxi composite leaf spring." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245008.

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Nyori, Peter Michael Bulli. "Genetics of resistance to leaf and stripe rust diseases in the spring wheat 'Amadina'." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/4611.

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Doctor of Philosophy<br>Department of Agronomy<br>Allan K. Fritz<br>In this research, a recombinant inbred line (RIL) population derived from cross between a leaf rust- and stripe rust-susceptible spring wheat ‘Avocet S’ and a slow leaf- and stripe-rusting resistant spring wheat ‘Amadina’ was used to postulate and map leaf rust seedling resistance genes, identify quantitative trait loci (QTL) for slow-rusting resistance against leaf and stripe rust, and study slow leaf-rusting components, latent period and infection frequency. Two known Lr genes (Lr23, and Lr26) were identified to be present i
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Otero, José D. "Development and characterization of an observatory-class, broadband, non-fedback, leaf-spring interferometric seismometer." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p3368955.

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Thesis (Ph. D.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed September 17, 2009). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 203-206).
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Russell, Raymond Benjamin. "The photoprotective role of thermonastic leaf movements in Rhododendron maximum: potential implications to early spring carbon gain." Thesis, Virginia Tech, 2006. http://hdl.handle.net/10919/34142.

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Rhododendron maximum L. is a dominant subcanopy species in the southern Appalachian Mountains. R. maximum undergo distinct thermonastic leaf movements (TLM). The purpose of these movements has not yet been determined. Previous studies have suggested TLM are a photoprotective mechanism for the dynamic light environment of the subcanopy in a deciduous forest during winter. The present study aimed to determine the effects of restricting TLM on photoinhibition, net photosynthesis, and other gas exchange parameters, particularly during the early spring. After restricting TLM on certain leaves, we
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KOTNI, DEEPAK. "A CAD/CAE DRIVEN AUTOMATED DESIGN OPTIMIZATION STUDY OF AUTOMOTIVE REAR SUSPENSION." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1130587319.

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Chen, Hao Yuan. "Impact of changes in the light environment caused by an invasive honeysuckle (Lonicera maackii)”." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1468335505.

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Žák, Ondřej. "Konstrukční návrh nesymetrické parabolické pružiny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-377480.

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This thesis is focused on design of parabolic spring for a truck. Characteristics of the spring are designed with respect to loads during heavy braking. Thesis contains a brief summary of current truck suspension, the spring design and suggestion for testing methodology for longitudinal load.
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Kobayashi, Hideka. "Aureobasidium Microstictum (Bubak) Cooke, The Casual Agent of Leaf Streak of Daylily (Hemerocallis L.), and Its Involvement in Spring Sickness of Daylily." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1364222371.

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Bumgarner, Natalie Ruth. "Abiotic Factors during Spring and Fall in Ohio: Their Measurement and Shaping of Lettuce Tissue Abundance and Composition." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337968793.

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Books on the topic "Leaf spring"

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Emerson, Carl. The autumn leaf. Picture Window Books, 2008.

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Jun'ichi, Hori. Leaf spring made of fiber-reinforced resin. National Aeronautics and Space Administration, 1986.

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Rodriguez, P. I. Minimum weight design of a leaf spring tapered in thickness and width for the Hubble Space Telescope-space support equipment. George C. Marshall Space Flight Center, 1990.

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Marasas, C. N. The economic impact in developing countries of leaf rust resistance breeding in CIMMYT-related spring bread wheat. CIMMYT, 2004.

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Floros, Peter J. On the development of a highly damped composite material for automotive applications. Dept. of Aerospace Science and Engineering, 1986.

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Transtrum, Kenya. Love springs a leak. Mapletree Pub. Co., 2005.

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March, Emily. Lover's leap: An eternity springs novel. Ballantine, 2012.

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Tomlin, Roger. Tabellae Sulis: Roman inscribed tablets of tin and lead from the sacred spring at Bath. Oxford University Committee for Archaeology, 1988.

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Berg, Art E. Finding peace in troubled waters: 10 life preservers for when your ship springs a leak. 2nd ed. Shadow Mountain, 1998.

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1957-, Dube Regina, Hamburg (Germany). Behörde für Stadtentwicklung und Umwelt., and Internationale Entwurfswerkstatt (2003 : Hamburg, Germany), eds. Sprung über die Elbe: Dokumentation der Internationalen Entwurfswerkstatt, 17.-24. Juli 2003 = Leap across the Elbe : documentation of the International Design Workshop, 17.-24. July 2003. Christians, 2004.

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Book chapters on the topic "Leaf spring"

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Gao, Conglin, Shouyin Lu, Xinjian Gu, and Xinyun Hu. "Improved YOLOv5s Based Steel Leaf Spring Identification." In International Conference on Neural Computing for Advanced Applications. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-5847-4_1.

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Jianxin, Tao, and Xue Yuan-De. "A Design Study of a Composite Leaf Spring." In Composite Structures 5. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1125-3_20.

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Singh, Ranjeet Kumar, and Vikas Rastogi. "A Review on Design Optimization of Leaf Spring." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2900-6_9.

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Hasan, Shahriar, Ashfaq Ahmed, Nihal Ahmed, and Muntasir Mamun. "A Finite Element Analysis of Automobile Leaf Spring." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9505-9_36.

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Zhou, Zhanfu, Wanfu Guo, Tiejun Shen, et al. "Research and Application on Dynamic Stiffness of Leaf Spring." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33795-6_10.

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Jung, Won Seok, Dong Ho Bae, Gee Wook Song, Jung Seob Hyun, and Bum Shin Kim. "Fatigue Design of Leaf Spring Using Artificial Neural Network." In Experimental Mechanics in Nano and Biotechnology. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.1083.

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Longnecker, Nancy, Jenny Slater, and Alan Robson. "Copper Supply and the Leaf Emergence Rate of Spring Wheat." In Plant Nutrition — from Genetic Engineering to Field Practice. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1880-4_147.

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Zhao, Jing-Shan, Hong-Wei Song, Yun Zhang, and Xiang Liu. "Design of Oblique Leaf-Spring Suspension Mechanism for Heavy Vehicles." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4477-4_24.

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Rai, Ankur, Sudhir Kumar Singh, Akash Raj Tyagi, and Husain Abbas. "Finite element analysis of composite leaf spring for TATA-ACE." In Recent Advances in Material, Manufacturing, and Machine Learning. CRC Press, 2024. http://dx.doi.org/10.1201/9781003450252-108.

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Puneeth kumar, M. V., Satish Kulakarni, M. H. Venkatesh, Sateesh Nayaka, and P. Sharath. "Design and Analysis of Kevlar Fiber Reinforced Composite Leaf Spring." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2086-7_9.

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Conference papers on the topic "Leaf spring"

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Sabarish, R., R. Hariharan, R. J. Golden Renjith Nimal, and R. Sangamaeswaran. "Automotive Multi-Leaf Spring Design and Optimization through FEA." In International Conference on Design, Materials and Metaheuristic Algorithms for Engineering. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-4qyh6t.

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As a result of the high strength-to-weight ratio, the automobile industry is becoming increasingly interested in replacing steel springs with composite leaf springs. The task at hand is to swap out some steel springs for alloy springs. The car's suspension impacts how comfortable it is to drive and how much damage it sustains. The leaf spring group's primary role is to support the suspension element's vertical load. The contact between the blades makes adjusting the crossbow's action more difficult. The goal of this article is to replace steel multi-disc springs with single joint springs that
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Gratton, Mathieu, and Erol Sancaktar. "Design, Analysis, and Optimization of Composite Leaf Springs for Light Vehicle Applications." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-1339.

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Abstract Design and manufacture of a functional composite spring for a solar powered light vehicle is described. The objective is not to compare composite spring systems using different types of springs such as rubber disks, air shocks, etc., but to provide an understanding of the manufacture, use, and capabilities of composite leaf springs produced by using unidirectional E-glass roving impregnated by an epoxy resin for light vehicle applications where the vehicle weight is of primery concern. The current design application involves a solar powered car.
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Gelet, S. S., K. M. Ng, F. H. K. Zaman, S. A. C. Abdullah, and L. Mazalan. "Evaluating Axle and Leaf Spring Sensor Setup Methods for Weight Sensing on Lorry." In 2024 IEEE 7th International Conference on Electrical, Electronics and System Engineering (ICEESE). IEEE, 2024. https://doi.org/10.1109/iceese62315.2024.10828557.

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Shamsaei, Nima, and Davood Rezaei. "Comparing Fatigue Life Reliability of a Composite Leaf Spring With a Steel Leaf Spring." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58513.

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In the present study, the fatigue behavior of an optimized composite leaf spring and a four leaf steel spring have been analyzed and compared. In a paper, issued by co-author, a four leaf steel spring was replaced by a composite leaf spring. The geometry of composite spring has been optimized to obtain the minimum weight under stress and displacement constraints due to the given static external forces. In this study, both above-mentioned leaf springs have been fatigue analyzed. The vehicle movement has been simulated on four different standard roads in ADAMS software and the spring supports re
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Balasubramani, Sritharkumar, Suhas S Kangde, Durga Prasad Mohapatra, and Ayyappadas M. "Development of simulation methodology to evaluate Leaf Spring strength and predict the Leaf Interface stresses and correlating with test." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2735.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Leaf Springs are commonly used as a suspension in heavy commercial vehicles for higher load carrying capacity. The leaf springs connect the vehicle body with road profile through the axle &amp;amp; tire assembly. It provides the relative motion between the vehicle body and road profile to improve the ride &amp;amp; handling performance. The leaf springs are designed to provide linear stiffness and uniform strength characteristics throughout its travel. Leaf springs are generally subjected to dynamic loads which are induc
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Belli, Milton Monteverde, Ricardo Alexandre da Cunha Fernandes, Mateus Cesário da Costa, and Ricardo Guedes Manini. "The Effects of Misplaced Rubber Pads on Leaf Spring Durability." In 12th SAE BRASIL Colloquium on Suspensions and Road Implements & Engineering Exhibition. SAE International, 2023. http://dx.doi.org/10.4271/2023-36-0351.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Vehicle suspension systems that adopt Hotchkiss layout are commonly based on leaf springs. For better comfort for passengers, some features such as rubber pads are used on the springs to reduce noise from metallic contact between leaves, but those pads can compromise the durability of the spring if not well designed or located in the spring assembly, as we will demonstrate on this paper. To do so, it will be presented comparisons using CAE methodology and physical parts test results from vehicle and bench testing which w
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Yinhuan, Zheng, Xue Ka, and Huang Zhigao. "Finite element analysis of composite leaf spring." In Education (ICCSE 2011). IEEE, 2011. http://dx.doi.org/10.1109/iccse.2011.6028643.

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Dong, Xiaoxiao, Long Jin, Zhike Xu, Peng Pan, and Chunrong Jiang. "Research of a leaf spring ultrasonic motor." In 2015 18th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2015. http://dx.doi.org/10.1109/icems.2015.7385252.

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Wang, Pengbo, Chongliang Zhang, and Yongquan Liu. "Simulation and Design of Leaf Spring Characteristics." In SAE 2009 Commercial Vehicle Engineering Congress & Exhibition. SAE International, 2009. http://dx.doi.org/10.4271/2009-01-2897.

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Liu, Xin, and Y. S. Chadda. "Automated Optimal Design of a Leaf Spring." In International Truck & Bus Meeting & Exposition. SAE International, 1993. http://dx.doi.org/10.4271/933044.

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Reports on the topic "Leaf spring"

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Martin, Lyra. Inventory for Navajo Sedge, Carex specuicola, along Seeplines at Natural Bridges National Monument. National Park Service, 2023. http://dx.doi.org/10.36967/2301739.

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Hanging gardens are an important part of the landscape at Natural Bridges National Monument (NABR) and are the most common type of spring within the park. These hanging gardens support a diversity of plant species including the federally listed threatened Navajo Sedge (Carex specuicola; CASP). CASP is confined to seep and spring emergences in sandstone outcroppings in the Four Corners area. Populations of CASP are known throughout northern Arizona and in southern Utah just south of NABR. Much of the potential habitat in southern Utah has not been surveyed for the species. Occurrences of CASP w
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Boonkerd, Thaweesakdi, Rossarin Pollawatn, and Parinyanoot Darumas. Taxonomic revision of the Lycopodiaceae in Southeast Asia : final report. Chulalongkorn University, 2005. https://doi.org/10.58837/chula.res.2005.33.

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The Lycopodiaceae sensu lato is one of the large family of vascular plants comprising about 480 species. Treatment of the genera in this family is rather different among botanists ranging from a single genus, i.e. Lycopodium s.l. to 15 genera. Phylloglossum Kunze, is usually recognized as a distinct genus and family, Phylloglossaceae due to its unique characters and endemics to Australia. The most recognized classification segregated members of the Lycopodiaceae into three genera, namely Huperzia Bernhardi, Lycopodiella Holub, and Lycopodium L. s. str. The purpose of this study was to find add
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Levin, Ilan, John Thomas, Moshe Lapidot, Desmond McGrath, and Denis Persley. Resistance to Tomato yellow leaf curl virus (TYLCV) in tomato: molecular mapping and introgression of resistance to Australian genotypes. United States Department of Agriculture, 2010. http://dx.doi.org/10.32747/2010.7613888.bard.

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Tomato yellow leaf curl virus (TYLCV) is one of the most devastating viruses of cultivated tomatoes. Although first identified in the Mediterranean region, it is now distributed world-wide. Sequence analysis of the virus by the Australian group has shown that the virus is now present in Australia. Despite the importance of the disease and extensive research on the virus, very little is known about the resistance genes (loci) that determine host resistance and susceptibility to the virus. A symptom-less resistant line, TY-172, was developed at the Volcani Center which has shown the highest resi
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Harms, Nathan, and Judy Shearer. Spatial and temporal variability of the Alligatorweed pathogen, Alternaria alternantherae, in Louisiana. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44402.

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Alligatorweed leaf spot is a disease of invasive Alternanthera philoxeroides (Alligatorweed) in the southern US, caused by Alternaria alternantherae. However, little is known about when or where this pathogen naturally occurs. To better understand this species’ life history, we examined temporal (every 2–3 weeks) and spatial (latitudinal) patterns of A. alternantherae occurrence at sites in Louisiana for 2 y. Pathogen presence reflected clear within-year temporal and spatial patterns. Overall, the percentage of leaves infected with A. alternantherae was low during spring each year (0–20% infec
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Dowling, Adam. Adaptation Resources for Agriculture A Case Study: Organic Dairy in Wisconsin. USDA Midwest Climate Hub, 2018. http://dx.doi.org/10.32747/2018.6893742.ch.

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Like many producers in Wisconsin, R &amp; G Miller &amp; Sons is already seeing an increase in intense precipitation events particularly in spring. This delays planting and prevents early season grazing due to possible damage/compaction from cow traffic on saturated pastures. Extended wet periods (e.g. 5 in of rain or more/week) and big deluge rains also lead to ponding in some areas of fields, which in turn leads to reduced productivity of pastures.
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Douglas, Thomas, and Joel Blum. Mercury isotopes reveal atmospheric gaseous mercury deposition directly to the Arctic coastal snowpack. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41046.

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Springtime atmospheric mercury depletion events (AMDEs) lead to snow with elevated mercury concentrations (&gt;200 ng Hg/L) in the Arctic and Antarctic. During AMDEs gaseous elemental mercury (GEM) is photochemically oxidized by halogens to reactive gaseous mercury which is deposited to the snowpack. This reactive mercury is either photochemically reduced back to GEM and reemitted to the atmosphere or remains in the snowpack until spring snowmelt. GEM is also deposited to the snowpack and tundra vegetation by reactive surface uptake (dry deposition) from the atmosphere. There is little consens
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Swinnen, Lucas. The Syrian Civil War. IFF, 2023. http://dx.doi.org/10.51363/unifr.diff.2022.33.

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The civil war in Syria was the result of the regime’s violent response to the Arab Uprisings in 2012. In ten years of war, a lot has changed in the Syrian Arab Republic due to the dynamics of conflict. Although the Arab Spring started as a popular movement against the al-Asad regime, a decade of violence has completely altered the main actors and their preferences. Al-Asad has almost won the war, the Kurds have achieved some autonomy, the opposition forces are practically defeated, and the “internal conflict” has become completely internationalized. Through the scope of civil war theories and
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Siegel, David A., Ivona Cetinic, Andrew F. Thompson, et al. EXport Processes in the Ocean from RemoTe Sensing (EXPORTS) North Atlantic sensor calibration and intercalibration documents. NASA STI Program and Woods Hole Oceanographic Institution, 2023. http://dx.doi.org/10.1575/1912/66998.

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The following documents collect information regarding the calibration and intercalibration of various sensors that were deployed during the North Atlantic field component of the NASA EXPORTS project (EXPORTS NA), which took place between May 4 and June 1, 2021 (Johnson et al., 2023). The EXPORTS NA campaign was designed to to provide a contrasting end member to the earlier North Pacific field campaign, and focused on carbon export associated with the North Atlantic spring bloom in which gravitational sinking of organic particles, the physical advection and mixing, and active transport by verti
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C. Strumpf, Erin, Laurie J. Goldsmith, Caroline E. King, et al. Measuring Access to and Quality of Primary Care in Quebec: Insights from Research on Patient Enrolment Policies. CIRANO, 2023. http://dx.doi.org/10.54932/xnxr2949.

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More than one million “orphan” patients do not have a family physician in Quebec as revealed by the department of Health and Social Services scoreboard. This spring, Minister Dubé has launched several initiatives aimed at transforming the health system to facilitate access to high-quality and timely primary care services. These reforms focus primarily on the enrolment of patients with a family physician. Having access to a regular source of care is almost universally seen as a good thing. In this short note, Erin C. Strumpf, McGill University Professor and Fellow CIRANO, and her co-authors cha
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Honegger, Wijewickreme, and Monroy. L52325 Assessment of Geosynthetic Fabrics to Reduce Soil Loads on Buried Pipelines - Phase I and II. Pipeline Research Council International, Inc. (PRCI), 2011. http://dx.doi.org/10.55274/r0010398.

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High soil loads on buried pipelines can lead to unacceptably high pipeline strains developed in response to permanent ground displacement. Common causes of permanent ground displacement are related to slope instability as a result of heavy precipitation or ground subsidence. In addition, several permanent ground displacement hazards are related to earthquakes including surface fault displacement, triggered landslide movement, surface ground settlement related to liquefaction, and lateral spread displacement. Result: Four specific areas of investigation were completed: 1.Performed baseline test
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