International Journal of TechnologySeveral bridges in Indonesia are designed using elastomeric bearing (ERB) with a low capability of reducing seismic responses. This results in a significant demand for larger pier cross-sectional dimensions and a greater number of reinforcements ...
Alvin Kurniawan Santoso +6 more
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Liquid Rocket Booster (LRB) for the Space Transportation System (STS) systems study. Study plan [PDF]
The two major objectives are: to present the study approach, and to provide the standard for guiding the Liquid Rocket Booster (LRB) project. The task plans provide a comprehensive description of the work to be performed.
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Too Litter, Too Late: Economic Logistics of Transporting Nutrient-Rich Poultry Litter Out of Nutrient-Saturated Regions [PDF]
Export of excess litter from concentrated animal production regions has become a pressing issue. A break even price for poultry litter in nutrient-deficient areas was identified through a math programming model using willingness to pay data from crop ...
Carreira, Rita I. +2 more
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Nonlinear Response of Medium Size Continuous Bridges with LRB [PDF]
Seventh International Conference on Advances in Civil, Structural and Mechanical Engineering - CSM 2018, 2018 Bertha Olmos, Jose Manuel Jara
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Structural Response of a Base-Isolated Building Subjected to Extreme Actions [PDF]
Urbanism. Arhitectura. ConstructiiThis paper presents the results of a comprehensive analysis conducted on a reinforced concrete frame structure subjected sequentially to extreme actions, namely seismic events and explosions.
Patricia Murzea, Cătălin Baciu
doaj
Next generation earth-to-orbit space transportation systems: Unmanned vehicles and liquid/hybrid boosters [PDF]
The United States civil space effort when viewed from a launch vehicle perspective tends to categorize into pre-Shuttle and Shuttle eras. The pre-Shuttle era consisted of expendable launch vehicles where a broad set of capabilities were matured in a ...
Hueter, Uwe
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Evaluation of Proposed Rocket Engines for Earth-to-Orbit Vehicles [PDF]
The objective is to evaluate recently analyzed rocket engines for advanced Earth-to-orbit vehicles. The engines evaluated are full-flow staged combustion engines and split expander engines, both at mixture ratios at 6 and above with oxygen and hydrogen ...
Kramer, Richard D., Martin, James A.
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Clinical impact of air pollution on SPECT myocardial perfusion imaging
Environment InternationalBackground: Air pollution contributes to cardiovascular morbimortality. Air pollution effects on cardiovascular function assessed from non-invasive and invasive imaging have been reported but never on myocardial perfusion.
Océane Bouchot +11 more
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Computer graphics application in the engineering design integration system [PDF]
The computer graphics aspect of the Engineering Design Integration (EDIN) system and its application to design problems were discussed. Three basic types of computer graphics may be used with the EDIN system for the evaluation of aerospace vehicles ...
Abel, R. W. +5 more
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Liquid Rocket Booster (LRB) for the Space Transportation System (STS) systems study. Appendix C: Battery report for the liquid rocket booster TVC actuators [PDF]
The actuators for control of engine valves and gimbals for a booster require 165 kW or more peak power at 270 volts direct current (VDC) during the 2 or 3 minutes of first stage ascent; other booster devices require much less power at 28 VDC.
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