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Journal articles on the topic 'Space engine'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Reisz, Aloysius I. "To Go Beyond." Mechanical Engineering 130, no. 11 (2008): 42–45. http://dx.doi.org/10.1115/1.2008-nov-2.

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This article discusses experiments with an advanced electromagnetic engine that aims for high-speed, long-distance transportation to reach farther into space. Experimental work at Marshall Space Flight Center in Alabama is attempting to develop an electromagnetic engine designed to achieve higher velocities than current space-engine options and to last longer, too. Space engines with higher specific impulse will sense new science from deep space exploration quicker. In a way, higher specific impulse quickens our intelligence acquisition. Reisz Engineers and the University of Michigan are inves

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Kotov, V. M., and S. V. Kotov. "SOLAR ROCKET ENGINES IN NEAR-EARTH SPACE." NNC RK Bulletin 1, no. 4 (2019): 86–90. http://dx.doi.org/10.52676/1729-7885-2019-4-86-90.

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At the current stage of space exploration development, missions to the Moon and geostationary orbit are relevant. Enhancing of power supply level of such missions requires innovative technology development. Nuclear rocket engines and engines with use of solar energy are considered among such technologies. In a number of projects, such engines use intermediate heat energy accumulators, which complicates and increases the cost of construction. This embodiment uses a circuit that enables solar engine to operate with any orientation of the thrust direction towards the sun. The dependence of specif

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Du, Xiao Ping, Jian Jun Song, Xin Li, De Xian Zeng, and Yang Sheng Zhao. "The Distributed Workflow Engine Model Design of the Space Test and Launch." Key Engineering Materials 460-461 (January 2011): 341–46. http://dx.doi.org/10.4028/www.scientific.net/kem.460-461.341.

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Workflow technologies are becoming pervasive in the area of space. They enable the execution of space business processes in distributed and ubiquitous computing environments. However, there are some problems such as cross-platform workflow which need to be solved urgently in space test and launch. Aiming at enhancing the efficiency of space test and launch, the distributed workflow engine model of the space test and launch based on JMX was designed. And the workflow engine routing control algorithm was proposed. At last, the performance of the workflow engine system was analyzed. The model was

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Podvysotsky, Valentin Vladimirovich. "New Reactive Space Engine." International Review of Aerospace Engineering (IREASE) 12, no. 4 (2019): 171. http://dx.doi.org/10.15866/irease.v12i4.16125.

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Ziganshin, B. P., and A. V. Sochnev. "Existing Concepts and Review of Experimental Studies of a Laser Rocket Engine." Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering, no. 1 (136) (March 2021): 20–52. http://dx.doi.org/10.18698/0236-3941-2021-1-20-52.

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Currently, there is a problem of making engines for the exploration of near space, and one of the solutions to this problem is the use of a laser rocket engine. This type of engine has a number of advantages and, as calculations have shown, it is economically profitable during active operation, which is very important for space systems. The principle of operation of a laser rocket engine allows it to be used not only as a power plant and a system for launching spacecraft, but also as a system for the destruction of space debris, the problem of which is becoming more and more urgent every day.

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Girtler, Jerzy. "A Model of Fuel Combustion Process in The Marine Reciprocating Engine Work Space Taking Into Account Load and Wear of Crankshaft-Piston Assembly and The Theory of Semi-Markov Processes." Polish Maritime Research 23, no. 3 (2016): 50–57. http://dx.doi.org/10.1515/pomr-2016-0031.

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Abstract The article analyses the operation of reciprocal internal combustion engines, with marine engines used as an example. The analysis takes into account types of energy conversion in the work spaces (cylinders) of these engines, loads of their crankshaft-piston assemblies, and types of fuel combustion which can take place in these spaces during engine operation. It is highlighted that the analysed time-dependent loads of marine internal combustion engine crankshaft-piston assemblies are random processes. It is also indicated that the wear of elements of those assemblies resulting from th

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Nathan, Stuart. "Space Engine Build Takes Off." Engineer 299, no. 7907 (2019): 5. http://dx.doi.org/10.12968/s0013-7758(23)90405-8.

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Shugrina, Maria, Chin-Ying Li, and Sanja Fidler. "Neural Brushstroke Engine." ACM Transactions on Graphics 41, no. 6 (2022): 1–18. http://dx.doi.org/10.1145/3550454.3555472.

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We propose Neural Brushstroke Engine, the first method to apply deep generative models to learn a distribution of interactive drawing tools. Our conditional GAN model learns the latent space of drawing styles from a small set (about 200) of unlabeled images in different media. Once trained, a single model can texturize stroke patches drawn by the artist, emulating a diverse collection of brush styles in the latent space. In order to enable interactive painting on a canvas of arbitrary size, we design a painting engine able to support real-time seamless patch-based generation, while allowing ar

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Chen, Hongyi, Qiuhong Li, Shuwei Pang, and Wenxiang Zhou. "A State Space Modeling Method for Aero-Engine Based on AFOS-ELM." Energies 15, no. 11 (2022): 3903. http://dx.doi.org/10.3390/en15113903.

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State space models (SSMs) are important for multi-variable performance analysis and controller design of aero-engines. In order to solve the problems of the traditional state space modeling methods that rely on component-level models (CLMs) and cannot be carried out in real time, an aero-engine state space modeling method based on adaptive forgetting factor online sequential extreme learning machine (AFOS-ELM) is proposed in this paper. The structure of the extreme learning machine (ELM) is determined according to the form of the state space model, and the inverse-free ELM algorithm is used to

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Raeth, Peter G. "Accessing Quality Open-Access Literature to Enable Teaching, Learning, and Industry." International Journal of ICT Research in Africa and the Middle East 7, no. 2 (2018): 1–16. http://dx.doi.org/10.4018/ijictrame.2018070101.

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Commercial control of the world's published literature has grown to the point where costs are prohibitive for developing nations. This article describes a computer engineer's response to this problem. The result is a publicly-accessible meta-search engine that focuses on open-access sources. With one set of keywords, this engine searches many engines at the same time. It has been used to help develop entire courses based solely on open-access literature. While there are excellent search capabilities for open-access literature that deliver full and searchable text, none of these cover the entir

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Chen, Ruiyang. "Advanced development and future of jet engines." Theoretical and Natural Science 12, no. 1 (2023): 162–66. http://dx.doi.org/10.54254/2753-8818/12/20230457.

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An aerodynamic reaction engine, a jet engine, is an internal combustion engine that produces thrust through jet thrust. A jet engine is an important power unit used in aviation and spaceflight, which generates thrust by pushing air in reverse. In recent decades, various developments and improvements have significantly enhanced the efficiency and performance of jet engines. These engines are divided into turbojets, turbojets, turboprops, turboshafts, and ramjets. This article will begin with an introduction to the different types of jet engines and then detail the design, benefits, and issues o

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Gao, Jin, Ziyi Kang, Weiheng Sun, Youyin Wang, Junlong Zhang, and Wen Bao. "Feasibility and Performance Analysis of High-Energy-Density Hydrocarbon-Fueled Turboexpander Engine." Aerospace 10, no. 9 (2023): 753. http://dx.doi.org/10.3390/aerospace10090753.

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With the in-depth research on hypersonic aerodynamics and hypersonic propulsion technology, humans are growing closer to space travel. Recent studies have shown that the pre-cooled air-turborocket (ATR) or turboexpander engines are some of the potential propulsion methods for reusable space vehicles and single stage-to-orbit (SSTO) missions because they have a high specific impulse at low Mach numbers, which can overcome the problem of the “thrust gap” in turbine-based combined-cycle (TBCC) engines. The ATR engine needs an additional oxidizing agent and the turboexpander engine usually uses hy

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Clegg, Elizabeth, and Michael Sheehan. "Space as an engine of development: India's space programme." Contemporary South Asia 3, no. 1 (1994): 25–35. http://dx.doi.org/10.1080/09584939408719725.

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Kussul, Ernst, Oleksandr Makeyev, Tatiana Baidyk, and Omar Olvera. "Design of Ericsson Heat Engine with Micro Channel Recuperator." ISRN Renewable Energy 2012 (November 14, 2012): 1–8. http://dx.doi.org/10.5402/2012/613642.

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Stirling cycle and Rankine cycle heat engines are used to transform the heat energy of solar concentrators to mechanical and electrical energy. The Rankine cycle is used for large-scale solar power plants. The Stirling cycle can be used for small-scale solar power plants. The Stirling cycle heat engine has many advantages such as high efficiencyand long service life. However, the Stirling cycle is good for high-temperature difference. It demands the use of expensive materials. Its efficiency depends on the efficiency of the heat regenerator. The design and manufacture of a heat regenerator are

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Fryer, Chris L. "Compact Remnant Constraints on the Core-Collapse Engine." Proceedings of the International Astronomical Union 16, S363 (2020): 19–32. http://dx.doi.org/10.1017/s1743921322000527.

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AbstractThe convection-enhanced neutrino-driven supernova engine’s success in explaining a myriad of supernova properties has set it as the standard engine behind supernova. However, due to the success of rotationally-powered engines in explaining astrophysical transients like gamma-ray bursts, these engines have been revived as possible drivers of normal supernovae, competing with this standard engine. In this paper, these competing engines, and the constraints placed by compact remnant observations on these engines, are reviewed. We find that, with these constraints, such rotationally-powere

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Dietz, Cyril. "Evolution in maximised efficiency engines for space applications: from GIESEPP to GIESEPP MP." Project Repository Journal 12, no. 1 (2022): 8–11. http://dx.doi.org/10.54050/prj1218376.

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Evolution in maximised efficiency engines for space applications: from GIESEPP to GIESEPP MP The leading European companies for orbital space propulsion together with satellite integrators and in EP (electric propulsion) specialised companies, universities and research partners have joined efforts to boost the European electric space propulsion capabilities in the field of efficiency optimised gridded ion engine technology.

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Cikanek, H. "Space shuttle main engine failure detection." IEEE Control Systems Magazine 6, no. 3 (1986): 13–18. http://dx.doi.org/10.1109/mcs.1986.1105095.

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18

Swinbanks, David. "Engine problems shake Japan's space plans." Nature 340, no. 6231 (1989): 253. http://dx.doi.org/10.1038/340253c0.

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19

Bergstrom, Arne. "Gravity-assist engine for space propulsion." Acta Astronautica 99 (June 2014): 99–110. http://dx.doi.org/10.1016/j.actaastro.2014.02.017.

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Duyar, A., T. H. Guo, and W. C. Merrill. "Space shuttle main engine model identification." IEEE Control Systems Magazine 10, no. 4 (1990): 59–65. http://dx.doi.org/10.1109/37.56279.

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21

Yash, Kumar Singh Jadon. "Ionic Thruster Application in Space Engine." Journal of Advancement in Communication System 6, no. 1 (2023): 19–24. https://doi.org/10.5281/zenodo.7816767.

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<em>As an alternative to conventional propulsion systems, ion thrusters have demonstrated their suitability and effectiveness. Even though the thrust produced by ion thrusters is significantly lower, they can easily compete with chemical propulsion systems due to their extremely high specific impulse generation and very low fuel consumption. The system can be used for a variety of missions, including multi-goal missions, controlling orbit and attitude, and maintaining an orbit station for geostationary satellites. Ion thrusters are also making it possible to travel further into deep space, whe

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Timoshenko, V. I., V. P. Halynskyi, and Yu V. Knyshenko. "Theoretical studies on rocket/space hardware aerogas dynamics." Technical mechanics 2021, no. 2 (2021): 46–59. http://dx.doi.org/10.15407/itm2021.02.046.

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This paper presents the results of theoretical studies on rocket/space hardware aerogas dynamics obtained from 2016 to 2020 at the Department of Aerogas Dynamics and Technical Systems Dynamics of the Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine along the following lines: rocket aerodynamics, mathematical simulation of the aerogas thermodynamics of a supersonic ramjet vehicle, jet flows, and the hydraulic gas dynamics of low-thrust control jet engines. As to rocket aerodynamics, computational methods and programs (CMPs) we

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23

Pandit, Tanmoy, Pritam Chattopadhyay, and Goutam Paul. "Non-commutative space engine: A boost to thermodynamic processes." Modern Physics Letters A 36, no. 24 (2021): 2150174. http://dx.doi.org/10.1142/s0217732321501741.

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We introduce quantum heat engines that perform quantum Otto cycle and the quantum Stirling cycle by using a coupled pair of harmonic oscillator as its working substance. In the quantum regime, different working medium is considered for the analysis of the engine models to boost the efficiency of the cycles. In this work, we present Otto and Stirling cycle in the quantum realm where the phase space is non-commutative in nature. By using the notion of quantum thermodynamics, we develop the thermodynamic variables in non-commutative phase space. We encounter a catalytic effect (boost) on the effi

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Лазарева, Ю. И., С. В. Клименко, А. В. Кулик та И. В. Лазарев. "АНАЛИЗ СОВРЕМЕННОГО СОСТОЯНИЯ И ПЕРСПЕКТИВЫ РАЗВИТИЯ РАКЕТНЫХ ДВИГАТЕЛЕЙ ДЛЯ ИССЛЕДОВАНИЯ ДАЛЬНЕГО КОСМОСА". System design and analysis of aerospace technique characteristics 27, № 2 (2022): 50–58. http://dx.doi.org/10.15421/471923.

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The article analyzes the current state and development prospects of rocket engines for space exploration. Currently, for flights to other planets, not to mention the stars, the use of liquid-propellant and solid-propellant rocket engines is becoming increasingly unprofitable, although many rocket engines have been developed. Thus, to reach manned planes even the nearest planets, it is necessary to develop rocket launchers on engines operating on principles different from chemical propulsion systems. The most promising in this regard are electric, laser and nuclear rocket engines, as well as hy

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Xia, Bin, Peng Yan Guo, Hong Bo Qiao, and Rui Gao. "The Research and Implementation for Vertical Search Engine of Automobile Information." Applied Mechanics and Materials 182-183 (June 2012): 1728–32. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.1728.

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Automobile information on internet increases fast as the quick development in automobile information construction. However, general search engines are unable to meet the increasing demand for accurate searching of automobile information. The present paper reports the designing and implementation of a vertical search engine of automobile information by adopting vector space model to identify the automobile subject, and combine content analysis and link analysis. This search engine was proven making the result more reasonable and effective and thus increasing the rate of accuracy of search engin

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Ali, Hayder Ridha, and Waleed Ibrahim Yaseen. "Characterization of several nano electro kinetic and plasma thrusters’ models." Experimental and Theoretical NANOTECHNOLOGY 9, S (2025): 209–26. https://doi.org/10.56053/9.s.209.

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Electric propulsion systems of various types are among the technologies being developed to increase their efficiency in various space missions. Since work on it began in the 1960s, its use on board satellites, orbital platforms, and interplanetary probes has increased significantly later. In this article, we will review the advantages of electric propulsion. The most important types used in space propulsion in terms of composition and the mechanism of operation of each type. In our current work, several simple models of ion engines are designed and built without using a magnetic field or contr

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Vankan, Wilhelmus J., Robert Maas, and Vincent Peyron. "Optimisation methodology for integrated equipment installation in new engine architecture nacelles." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 234, no. 10 (2019): 1706–20. http://dx.doi.org/10.1177/0954410019895883.

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The development of new higher efficiency turbofan aero engines requires several design enhancements that typically result in shorter and slimmer nacelles. Consequently these engines provide less space for the engine systems installation and for maintenance accessibility. In the Novel Integration of Powerplant System Equipment project, optimisation methodologies are being investigated and developed for the integrated installation of equipment into the restricted volume of new architecture engines’ nacelles. The underlying optimisation methodology is built on a graph based approach involving eff

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Yu, Bai. "Thermodynamic model for a rocket engine cycle." Applied and Computational Engineering 85, no. 1 (2024): 182–86. http://dx.doi.org/10.54254/2755-2721/85/20240694.

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In an era marked by the burgeoning popularity of space stations among both developing and developed nations, the demand for rockets has surged at an unprecedented pace. This meteoric rise in rocket usage has brought to the forefront a critical challenge: the efficient cooling of rocket engines. To address this issue, engineers have explored innovative solutions. One highly promising approach involves the incorporation of fuel-conducting pipes within the walls of the engine, utilizing the cooling properties of the circulating fuel to counteract the intense heat generated during combustion. Addi

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Freiherr, Greg. "The Little Rocket Engine That Could." Mechanical Engineering 138, no. 08 (2016): 32–37. http://dx.doi.org/10.1115/1.2016-aug-1.

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This paper highlights advancements of a research team in the field of miniature spacecrafts and development and advantages of CubeStats. CubeSats are space age hitchhikers, that is, miniature spacecraft that fly into orbit aboard rockets whose primary payloads are full-size satellites. Paulo Lozano and his team at MIT’s Space Propulsion Lab have developed a unique kind of rocket engine for these microsatellites. The trick to building a successful ion electrospray propulsion system is to increase thrust density by jamming together as many emitters as possible. Electrospray engines also differ g

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Spakovszky, Z. S., J. B. Gertz, O. P. Sharma, J. D. Paduano, A. H. Epstein, and E. M. Greitzer. "Influence of Compressor Deterioration on Engine Dynamic Behavior and Transient Stall-Margin." Journal of Turbomachinery 122, no. 3 (1999): 477–84. http://dx.doi.org/10.1115/1.1303817.

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This paper presents an experimental and analytical investigation of compressor stability assessment during engine transient operation. A two-dimensional, linear, compressible, state-space analysis of stall-inception (Feulner et al., 1996, ASME J. Turbomach., 118, pp. 1–10) was modified to account for engine transients and deterioration, with the latter modeled as increased tip-clearance and flow blockage. Experiments were performed on large commercial aircraft engines in both undeteriorated and deteriorated states. Unsteady measurements of pressure in these test engines during rapid accelerati

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Beneda, Károly, Rudolf Andoga, and Ladislav Főző. "Linear Mathematical Model for State-Space Representation of Small Scale Turbojet Engine with Variable Exhaust Nozzle." Periodica Polytechnica Transportation Engineering 46, no. 1 (2017): 1. http://dx.doi.org/10.3311/pptr.10605.

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The goal of this article is to develop a linear mathematical model for a small scale turbojet engine with variable convergent nozzle, and validate it on existing laboratory hardware owned by the authors’ Departments.Control of gas turbine engines plays an essential role in the safety of aviation. Although its role is constantly expanding, ranging from pilot workload reduction to detailed diagnostics, the basic competence is to regulate the thrust output of the power plant with maximum available accuracy, rapidity, stability, and robustness. The linear quadratic control is one possible solution

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Wang, Hao, Jiaxin Ou, Ming Zhao, et al. "LavaStore: ByteDance's Purpose-Built, High-Performance, Cost-Effective Local Storage Engine for Cloud Services." Proceedings of the VLDB Endowment 17, no. 12 (2024): 3799–812. http://dx.doi.org/10.14778/3685800.3685807.

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Persistent key-value (KV) stores are widely used by cloud services at ByteDance as local storage engines, and RocksDB used to be the de facto implementation since it can be tailored to a variety of workloads and requirements. In this paper, we provide key insights into local storage engine usage at ByteDance, explain why the combination of highly write-intensive workloads and stringent requirements on cost efficiency and point lookup tail latency may pose challenges to a general-purpose local storage engine such as RocksDB, and present the design and implementation of LavaStore , a high-perfor

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33

Gregório, Jorge P., and Francisco M. Brójo. "Development of a 4 stroke spark ignition opposed piston engine." Open Engineering 8, no. 1 (2018): 337–43. http://dx.doi.org/10.1515/eng-2018-0039.

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Abstract The purpose of this project was to develop a low-cost OP engine, 4-stroke, gasoline by joining two single-cylinder reciprocating internal combustion engines with side valves on the block, removing the heads. The chosed engine was Model EY15 of Robin America. Joining these two engine blocks together made possible to build an opposed-piston engine (OPE) with two crankshafts. In this new engine, the combustion chamber is confined to the space inside the cylinder between the piston heads and the chamber between the valves. The pistons move in the cylinder axis in opposite directions, a fe

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34

Lin, Ruliang, Jialin Yang, Lijing Huang, Zhiwen Liu, Xuehua Zhou, and Zhiguo Zhou. "Review of Launch Vehicle Engine PHM Technology and Analysis Methods Research." Aerospace 10, no. 6 (2023): 517. http://dx.doi.org/10.3390/aerospace10060517.

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The reliability and safety of launch vehicle launch missions might be effectively increased thanks to the fault prediction and health management (PHM) technology of engines, which could also improve with problem diagnostics and decrease the cost of operation and maintenance overhaul. This paper combines the equipment characteristics and the current state of safeguarding for large, complex space systems, introduces the intelligent launch vehicle engine PHM technology methods that are being gradually implemented in space systems, and discusses and compares fault detection and health assessment t

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GRANET, IRVING, WILLIAM GUMAN, and WILLIAM MCILROY. "STUDIES OF A PLASMA PINCH SPACE ENGINE." Journal of the American Society for Naval Engineers 72, no. 4 (2009): 715–25. http://dx.doi.org/10.1111/j.1559-3584.1960.tb04083.x.

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36

Brophy, John R. "NASA’s Deep Space 1 ion engine (plenary)." Review of Scientific Instruments 73, no. 2 (2002): 1071–78. http://dx.doi.org/10.1063/1.1432470.

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37

Oman, H. "Engine-driven generators for deep space probes." IEEE Aerospace and Electronic Systems Magazine 17, no. 8 (2002): 28–33. http://dx.doi.org/10.1109/maes.2002.1028081.

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38

Karambhe, Samanvay, Xiaofeng Wu, and Rishi Verma. "Design of a variable ISP space engine." International Journal of Space Science and Engineering 5, no. 1 (2018): 82. http://dx.doi.org/10.1504/ijspacese.2018.090552.

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Karambhe, Samanvay, Rishi Verma, and Xiaofeng Wu. "Design of a variable ISP space engine." International Journal of Space Science and Engineering 5, no. 1 (2018): 82. http://dx.doi.org/10.1504/ijspacese.2018.10011649.

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Prisacariu, Vasile, Constantin Rotaru, Ionică Cîrciu, and Mihai Niculescu. "Numerical simulation and performances evaluation of the pulse detonation engine." MATEC Web of Conferences 234 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201823401001.

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A pulse detonation engine (PDE) is a type of propulsion system that uses detonation waves to combust the fuel and oxidizer mixture. The engine is pulsed because the mixture must be renewed in the combustor between each detonation wave. Theoretically, a PDE can operate from subsonic up to hypersonic flight speed. Pulsed detonation engines offer many advantages over conventional propulsion systems and are regarded as potential replacements for air breathing and rocket propulsion systems, for platforms ranging from subsonic unmanned vehicles, long range transports, high-speed vehicles, space laun

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Strelnikov, G. A., A. D. Yhnatev, N. S. Pryadko, and S. S. Vasyliv. "Gas flow control in rocket engines." Technical mechanics 2021, no. 2 (2021): 60–77. http://dx.doi.org/10.15407/itm2021.02.060.

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In the new conditions of application of launch vehicle boosters, space tugs, etc., modern rocket engines often do not satisfy the current stringent requirements. This calls for fundamental research into processes in rocket engines for improving their efficiency. In this regard, for the past 5 years, the Department of Thermogas Dynamics of Power Plants of the Institute of Technical Mechanics of the National Academy of Sciences of Ukraine and the State Space Agency of Ukraine has conducted research on gas flow control in rocket engines to improve their efficiency and functionality. Mechanisms of

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Liu, Yi. "Identification of turbofan engine state-space model based on flight test data." Journal of Physics: Conference Series 2820, no. 1 (2024): 012087. http://dx.doi.org/10.1088/1742-6596/2820/1/012087.

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Abstract The experimental data recorded during flight tests contain rich system dynamic information, which makes it possible to use flight test data for system model identification. Engine state-space model identification based on flight test data can establish an accurate mathematical model of the engine, providing essential support for the design of multivariable engine control systems, engine health monitoring, and fault diagnosis. In this paper, based on engine flight test data, the least squares method is used to identify the state-space model of a certain type of large bypass ratio turbo

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Vynokur, Oleksii, Iryna Perova, and Polina Zhernova. "Analytical review of visualization methods for launch and landing of spacecraft with consideration of 64-bit system boundary value issues." Radioelectronic and Computer Systems 2025, no. 1 (2025): 298–313. https://doi.org/10.32620/reks.2025.1.19.

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The subject matter of this article is the contemporary software solutions used for modeling and visualizing spacecraft missions, specifically during the stages of launch, flight, and landing. The goal of this article is to critically evaluate popular game engines like Unity and Unreal Engine 5, along with specialized flight simulation software such as OpenRocket and Orbiter, focusing on their application in space simulations. The tasks are as follows: to investigate and assess the capabilities of the Unity and Unreal Engine 5 game engines in the context of space missions; to identify the limit

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Chatterjee, Subarna, Mark F. Pekala, Lev Kruglyak, and Stratos Idreos. "Limousine: Blending Learned and Classical Indexes to Self-Design Larger-than-Memory Cloud Storage Engines." Proceedings of the ACM on Management of Data 2, no. 1 (2024): 1–28. http://dx.doi.org/10.1145/3639302.

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We present Limousine, a self-designing key-value storage engine, that can automatically morph to the near-optimal storage engine architecture shape given a workload, a cloud budget, and target performance. At its core, Limousine identifies the fundamental design principles of storage engines as combinations of learned and classical data structures that collaborate through algorithms for data storage and access. By unifying these principles over diverse hardware and three major cloud providers (AWS, GCP, and Azure), Limousine creates a massive design space of quindecillion (1048) storage engine

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Glazkov, V. V., O. A. Sinkevich, and G. B. Shmelkov. "Universal Rocket Space Engine and solving the problem of space debris." Journal of Physics: Conference Series 1370 (November 2019): 012036. http://dx.doi.org/10.1088/1742-6596/1370/1/012036.

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Kuijken, Koen. "Euclid’s first year in space." Europhysics News 55, no. 5 (2024): 19–23. http://dx.doi.org/10.1051/epn/2024508.

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July 1st, 2023. Cape Canaveral. 11:11 am. 10..9..8..7..6..5..4..3..2..1.. LIFT-OFF! Against a beautiful blue sky, the Falcon-9 rocket carrying our ‘baby’ streaks into the sky, 8 miles away from our vantage point. Almost one minute later the crackling sound of the rocket engines arrives. I manage to follow the disappearing rocket with my binoculars for two minutes, until the main engine cuts off. Half an hour later, on the big screen set up next to our bleachers full of colleagues and family at the Banana Creek viewing site, we see the upper stage rocket switch off and deliver its precious carg

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Wang, Yuanyu, Yong Liu, Junyi Wang, Jiachuan Zhang, Xiaojun Zhu, and Zhigang Xu. "Research on Process Planning Method of Aerospace Engine Bolt Tightening Based on Digital Twin." Machines 10, no. 11 (2022): 1048. http://dx.doi.org/10.3390/machines10111048.

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Aerospace engine is the source of power for the development of national defense and aerospace. Engine bolt tightening is an important part of the aerospace engine production process. At present, most of the bolt tightening methods of aerospace engines are manual tightening or traditional rigid tightening, which lead to the problem of low efficiency and large engine deformation. This paper proposes a process planning method for bolt tightening of aerospace engine based on digital twin, including flexible tightening mechanism design, tightening sequence optimization, the establishment of the dig

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Pismennyi, V. L. "Hyper Afterburner Jet Engines." Proceedings of Higher Educational Institutions. Маchine Building, no. 01 (718) (January 2020): 51–62. http://dx.doi.org/10.18698/0536-1044-2020-1-51-62.

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This paper introduces a thrust augmentation method for super- and hypersonic jet engines by means of applying water at the engine intake. This method expands the use of jet engines with subsonic combustion, allowing velocities up to Mach 8 and altitude up to 45 km. At velocities higher than 3–4 Mach, stagnation temperature of the air is getting higher than the critical temperature of water, which makes the existence of water at the gas turbine engine intake impossible. Water vapour as a working medium of a jet engine creates the so-called inner thermodynamic circle. This phenomenon defines the

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Khimchenko, Arkady, Vladimir Orobinsky, Valery Ostrikov, and Evgenii Grigorev. "DESIGN OF EXPERIMENT FOR DETERMINE THE DEPENDENCE OF CHANGE IN THE ALKALINE NUMBER OF MOTOR OIL ON OPERATING FACTORS WITHIN ONE REPLACEMENT PERIOD." SCIENCE IN THE CENTRAL RUSSIA, no. 5 (October 31, 2024): 94–104. http://dx.doi.org/10.35887/2305-2538-2024-5-94-104.

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Timely replacement of oil in engines of modern agricultural machinery is economically feasible, since it allows to fully exhaust the resource of engine oil and ensure the safety of the internal combustion engine. One of the ways to determine the moment of engine oil replacement with sufficient accuracy is to use a digital twin, for the creation of which data on the influence of operational factors on oil degradation obtained experimentally are required. Features of conducting experimental studies during engine bench tests are analyzed in the paper. An algorithm for planning an experiment based

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Chatterjee, Subarna, Meena Jagadeesan, Wilson Qin, and Stratos Idreos. "Cosine." Proceedings of the VLDB Endowment 15, no. 1 (2021): 112–26. http://dx.doi.org/10.14778/3485450.3485461.

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We present a self-designing key-value storage engine, Cosine, which can always take the shape of the close to "perfect" engine architecture given an input workload, a cloud budget, a target performance, and required cloud SLAs. By identifying and formalizing the first principles of storage engine layouts and core key-value algorithms, Cosine constructs a massive design space comprising of sextillion (10 36 ) possible storage engine designs over a diverse space of hardware and cloud pricing policies for three cloud providers - AWS, GCP, and Azure. Cosine spans across diverse designs such as Log

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