Academic literature on the topic 'Axial tilt'

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Journal articles on the topic "Axial tilt"

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Sunil, P. S. "Earth’s Axial Tilt: The Specifics." Journal Of The Geological Society Of India 100, no. 10 (2024): 1502. http://dx.doi.org/10.17491/jgsi/2024/174008.

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Cui, Jintai, Huifang Li, Caifu Qian, and Zhiwei Wu. "Study on the Stress Intensity Factor of Tilt Crack on the Inner Surface of Pipeline." Journal of Physics: Conference Series 2845, no. 1 (2024): 012051. http://dx.doi.org/10.1088/1742-6596/2845/1/012051.

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Abstract Cracking is one of the key factors jeopardizing the safe operation of pipelines, and Stress Intensity Factor (SIF) is an important parameter for evaluating the degree of crack danger. Cracks on engineering pipelines often appear in irregular patterns. In this paper, with FRANC3D crack analysis software, SIFs of the circumferential tilt cracks and axial tile cracks on the inner wall surface of a pipe under internal pressure were studied with concentration on the effects of the crack tilt angles. Mode I stress intensity factor weakening effect KI/K0 was defined and influences of the cra
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Leighton, Matthew P., Laurent Kreplak, and Andrew D. Rutenberg. "Chiral phase-coexistence in compressed double-twist elastomers." Soft Matter 17, no. 19 (2021): 5018–24. http://dx.doi.org/10.1039/d1sm00181g.

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Howard, Robert F. "Axial tilt angles of sunspot groups." Solar Physics 136, no. 2 (1991): 251–62. http://dx.doi.org/10.1007/bf00146534.

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Shinshi, Tadahiko, Daisuke Shimizu, Kazuhide Kodeki, and Kazuhiko Fukushima. "A Fast Steering Mirror Using a Compact Magnetic Suspension and Voice Coil Motors for Observation Satellites." Electronics 9, no. 12 (2020): 1997. http://dx.doi.org/10.3390/electronics9121997.

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Fast steering mirrors (FSMs) are used to correct images observed by satellites. FSMs need to have large apertures and realize high precision and the positioning of the mirror in the tip-tilt and axial directions needs to be highly precise and highly responsive in order to capture large-scale, high-resolution images. An FSM with a large-diameter mirror supported by a compact magnetic suspension and driven by long-stroke voice coil motors (VCMs) is proposed in this paper. The magnetic suspension and VCM actuators enable the mirror to be highly responsive and to have long-range movement in the ti
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Isildak, R. Suat, H. Asuman Küçüközer, and Hakan Isik. "Measuring Earth’s axial tilt with a telescope." Physics Education 52, no. 3 (2017): 033003. http://dx.doi.org/10.1088/1361-6552/aa5ee9.

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SUMINO, Masayuki, and Satoshi UENO. "Tilt control with axial self-bearing motor." Transactions of the JSME (in Japanese) 80, no. 815 (2014): DR0207. http://dx.doi.org/10.1299/transjsme.2014dr0207.

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Rubincam, D. P. "Mars: Change in Axial Tilt Due to Climate?" Science 248, no. 4956 (1990): 720–21. http://dx.doi.org/10.1126/science.248.4956.720.

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P.S., Krasil'nikov. "On the exo-planet precession under torqes due to three celestial bodies with the evolution of the satellite's orbit." Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki 32, no. 2 (2022): 319–37. http://dx.doi.org/10.35634/vm220210.

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We investigate the non-resonant evolution of the axial tilt of hypothetical exo-Earth in the gravitational field of a star, planet's satellite (exo-Moon) and outer planet (exo-Jupiter). The exo-Earth is assumed to be rigid, axially symmetric ($A=B$) and almost spherical. We assume the orbits of the both exo-planets to be Keplerian ellipses with focus in the star, the orbit of exo-Moon to be an evolving Keplerian ellipse with slowly changing of ascending node longitude and periapsis argument. Assuming the frequencies of the unperturbed orbital elliptical motion to be of the order of unity, we o
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Miyake, J., T. Murase, Y. Yamanaka, H. Moritomo, K. Sugamoto, and H. Yoshikawa. "Three-dimensional deformity analysis of malunited distal radius fractures and their influence on wrist and forearm motion." Journal of Hand Surgery (European Volume) 37, no. 6 (2012): 506–12. http://dx.doi.org/10.1177/1753193412443644.

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Little information exists about three-dimensional (3-D) deformity patterns of malunited distal radius fractures including axial deformity. The current study aimed to clarify the 3-D deformity pattern of malunited distal radius fractures and reveal the influence of osseous deformities, including axial rotation deformity, on wrist and forearm motion. The deformity of 20 dorsally tilted malunions were evaluated using 3-D computer models created from CT data, and correlations between deformity components and range of motion were assessed. The 3-D deformity analysis showed that axial malalignment i
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Dissertations / Theses on the topic "Axial tilt"

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Heinemann, Till [Verfasser]. "Axial Fans under the Influence of Various Uniform Ambient Flow Fields : Axialventilatoren unter dem Einfluss verschiedener gleichförmiger Strömungsfelder / Till Heinemann." Aachen : Shaker, 2018. http://d-nb.info/1161299548/34.

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Heinemann, Till [Verfasser], Stefan [Akademischer Betreuer] Becker, Stefan [Gutachter] Becker, and Alessandro [Gutachter] Corsini. "Axial Fans under the Influence of Various Uniform Ambient Flow Fields / Till Heinemann ; Gutachter: Stefan Becker, Alessandro Corsini ; Betreuer: Stefan Becker." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018. http://d-nb.info/115937743X/34.

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Heinemann, Till Verfasser], Stefan [Akademischer Betreuer] [Becker, Stefan [Gutachter] Becker, and Alessandro [Gutachter] Corsini. "Axial Fans under the Influence of Various Uniform Ambient Flow Fields / Till Heinemann ; Gutachter: Stefan Becker, Alessandro Corsini ; Betreuer: Stefan Becker." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2018. http://d-nb.info/115937743X/34.

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Book chapters on the topic "Axial tilt"

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Feng, Xinyu, Xu Zhang, and Dawei Tu. "Kinematic Modeling and Analysis of Robotic Axial Tilt Errors." In Lecture Notes in Computer Science. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-0771-6_12.

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Hara, Naoko, Kathrin Benedikt, and Hirofumi Owaki. "CASIA2: Anterior Segment 3D Swept-Source OCT." In Intraocular Lens Calculations. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-50666-6_28.

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AbstractCASIA2 in a swept-source optical coherence tomography (OCT) anterior segment tomographer. It achieves deep penetration and provides wide-field images by means of a high scanning speed (50,000 scans/s) with a light source 1310 nm wavelength, and it can acquire high-quality 3D images from the anterior surface of cornea to the back surface of the crystalline lens. The clinical application includes pre-operative screening to measure corneal total astigmatism, higher-order aberrations, topography maps as well as 3D analysis of the crystalline lens geometry giving values for front and back s
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Inkinen, S. I., A. O. Kotiaho, M. Hanni, M. T. Nieminen, and M. A. K. Brix. "Computed Tomography Artefact Detection Using Deep Learning—Towards Automated Quality Assurance." In Communications in Computer and Information Science. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-59091-7_2.

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AbstractImage artefacts in computed tomography (CT) limit the diagnostic quality of the images. The objective of this proof-of-concept study was to apply deep learning (DL) for automated CT artefact classification. Openly available Head CT data from Johns Hopkins University was used. Three common artefacts (patient movement, beam hardening, and ring artefacts (RAs)) and artefact free images were simulated using 2D axial slices. Simulated data were split into a training set (Ntrain = 1040 × 4(4160)), two validation sets (Nval1 = 130 × 4(520) and Nval2 = 130 × 4(520)), and a separate test set (N
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"Axial Tilt." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_100089.

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"Axial Tilt." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_2129.

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"Axial Tilt." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_300131.

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"Axial Tilt." In Astronomically Speaking. CRC Press, 2003. http://dx.doi.org/10.1201/9781420034677-20.

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Shaik, Bazani, M. Muralidhara Rao, G. Harinath Gowd, B. Durga Prasad, and J. Ranga. "Experimental Investigations on Advancements of Aluminum Alloys with Friction Stir Process." In Recent Advancements in Aluminum Alloys. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.108885.

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Friction stir processing is a very promising method widely joining varieties of metals in other relatively marine, shipbuilding, automotive industries, aeronautical, and heavy machinery industries due to the following advantages, such as, low porosity, less tendency to cracking, and fewer defects. Research investigates the mechanical properties for input parameters such as welding speed, rotational speed, tilt angle, and axial force, and output parameters such as tensile strength, microhardness on advancements of aluminum alloys by using friction stir processing based on cost. Taguchi L9 used
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Siebert, W., Sabine Mai, Rudolf Kober, and Peter F. Heeckt. "Total Knee Replacement: Robotic Assistive Technique." In Computer and Robotic Assisted Hip and Knee Surgery. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780198509431.003.0012.

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Abstract Total knee replacement (TKR) has become the standard procedure in the management of degenerative joint disease after more conservative therapy options have been exhausted. However, despite conscientious planning and carefully performed procedures, surgeons are often unsatisfied with implant alignment. Various authors described significant axial or rotational malalignment, and mediolateral and ventrodorsal tilt.1–4 Seemingly small displacements of 2.5 mm potentially alter the range of motion by as much as 20°.5 Correct tibiofemoral alignment seems to be particularly important since it
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Thilagham, K. T., and S. Muthukumaran. "Center Stir Zone Investigations of Dissimilar AA6082, AA2014 and AA7075 Welds." In Welding Principles and Application [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102652.

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The study compares the mechanical and metallurgical properties of AA6082, AA2014, and AA7075 dissimilar friction stir welded aluminum 6 mm plates. The alloys AA2014 and AA7075 are aerospace grade, whereas AA6082 is structural grade. The AA6082/AA7075, AA6082/AA2014, and AA2014/AA7075 joints were formed with optimized parameters of 2° tilt angle, 900 rpm rotational speed, and 80 mm/min feed rate with a constant axial force of 20 kN. Then, to investigate the stir zone properties of the joints, the tensile strength, microstructural, and hardness variations across the weld were revealed. Despite t
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Conference papers on the topic "Axial tilt"

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Khalid, Ahmed, Mohamed Mamdouh, Reem Mahmoud, Enas Hassan, and Abdelgwad Elashry. "Empowering Random Forest to predict operation of Dual axial and fixed tilt PV panel." In 2024 12th International Japan-Africa Conference on Electronics, Communications, and Computations (JAC-ECC). IEEE, 2024. https://doi.org/10.1109/jac-ecc64419.2024.11061209.

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Srivathsan, Shreyas, Pranav Sridhar, Marilyn Smith, and Juergen Rauleder. "Experimental and Computational Investigations of Propeller-Wing Interactions." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1337.

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A joint experimental-computational research campaign is underway to develop physical understanding and a validation-quality database for a model-scale tractor propeller-wing system. Separate load measurements on the wing and propeller accompany wing surface pressure distributions and flow field measurements via stereoscopic particle image velocimetry (SPIV) at discrete wing spanwise locations for a range of static propeller tilt angles. The physical wind tunnel test is modeled using a high-fidelity computational approach (Helios). Computational simulations aid in assessing the influence of the
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Achten, Peter A. J. "Power Density of the Floating Cup Axial Piston Principle." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59006.

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The floating cup principle is a new concept for hydrostatic pumps, motors and transformers. It features a large number of pistons, which enables a strong reduction of the pressure pulsations and fluid borne noise. The pistons are arranged in a double ring, back-to-back configuration, and are locked onto the rotor. Each piston has a separate, cuplike cylinder, which is floating on a rotating barrel plate. This article will discuss the consequences of the floating cup design on the power density of pumps and motors. For current axial piston units the trend is towards larger tilt angles of the ba
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Pan, Longfa, Duanyi Xu, Mali Gong, Hao Yuan, and Jing Pei. "Testing of optical disk axial run-out and tilt." In Optical Storage: Third International Symposium, edited by Fuxi Gan. SPIE, 1993. http://dx.doi.org/10.1117/12.150664.

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Akiz, Metin, and Ahmet Erdoğan. "EFFECTS OF EARTH’S AXIAL TILT AND ORBIT CHANGES ON HUMAN HISTORY." In 23rd International Academic Conference, Venice. International Institute of Social and Economic Sciences, 2016. http://dx.doi.org/10.20472/iac.2016.023.006.

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Moubarak, Paul M., Danielle A. Barsky, Pinhas Ben-Tzvi, and Mona Zaghloul. "A self-calibrating temperature independent model of a bi-axial piezoelectric MEMS tilt sensor." In SPIE Defense, Security, and Sensing, edited by Thomas George, M. Saif Islam, and Achyut Dutta. SPIE, 2012. http://dx.doi.org/10.1117/12.918419.

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Okada, Yohji, Toru Masuzawa, Toshiyuki Kita, et al. "Design of Centrifugal Type Artificial Blood Pump Using Combined Motor-Bearing." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/movic-8414.

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Abstract Application of non-contact, rotary pump for use in artificial heart is highly efficient and prevent thrombosis formation. This paper introduces two types of test design; one is using radial type combined motor-bearing with centrifugal pump. The water pumping test is carried out to confirm the performance. The other one is using axial type combined motor-bearing. The axial type motor controls only one degree-of-freedom in z direction. To control two tilt directions a hybrid (HB) type tilt magnetic bearings are attached on the other surface. Hence it has three active control degrees. Ex
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Benallegue, Mehdi, Abdelaziz Benallegue, and Yacine Chitour. "Tilt estimator for 3D non-rigid pendulum based on a tri-axial accelerometer and gyrometer." In 2017 IEEE-RAS 17th International Conference on Humanoid Robotics (Humanoids). IEEE, 2017. http://dx.doi.org/10.1109/humanoids.2017.8246968.

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Krishnasamy, Jay, and Jairo Moura. "Modeling of the Axial and Tilt Stiffness Between a Magnet Track and a Ferromagnetic Backing." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42329.

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This paper consists of modeling and analysis of the axial and radial forces as well as axial and tilt stiffness between a magnetic track and a ferromagnetic backing. The proposed model utilizes the concept of Maxwell stress tensor and simplified reluctance models in order to predict the magnetic interactions between the rotor and the stator. In other to verify the model developed, finite element models and experiments are performed for the case of a linear magnetic track. The results can be applied to the case of rotary tracks without loss of generality. Applications of this work can be used i
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Wang, Tao, Xuegong Hu, Chaohong Guo, and Dawei Tang. "The Visualization Study of Contact Line Characteristics in Triangle Wetting Region of Rectangle Microgroove." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30649.

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The paper acquires the images of triple phase contact line along the axial direction in microgroove triangle wetting region by the direct visualization means. The contact line images are processed by computer software, and the change law for triple phase contact line is obtained. The contact line angle between contact line and axial direction along microgroove is obtained by analyzing contact line. Results indicate that the length of contact line and the thickness of liquid film on side wall of microgroove reduce along with heat flux addition; but increase as the tilt angle increases. The cont
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