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Optical concentration ratio of a parabolic trough collector with flat receiver and concentrator with surface irregularities
In a parabolic trough collector (PTC), the geometric concentration ratio ( C g ), which is the ratio of the aperture width of the concentrator and the...
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Cathode/Anode Area Ratio on the Sacrificial Cathodic Protection Against Mass Loss of Galvanized Steel Used in Potassium Chloride Fertigation
Corrosion is one of the most significant problems in irrigation systems, and fertigation may increase its damage. One of the solutions to mitigate...
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Recycling of Magnesium Alloy Using the Gravity-Driven Multiple-Effect Thermal System (G-METS)
MagnesiumMagnesium metal has been significantly used in commercial applications from automobiles to aluminum alloys to defense weaponry. The surge in...
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Experimental investigation of the flow characteristics of jet pumps for zero flow-ratio conditions
Experimental research was conducted on the performance curves and the cavity evolution for different flow and geometric parameters in jet pumps for...
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Effect of Size Ratio on Permeability and Local Packing Fraction of the Binary Packed Bed
The binary-sized packed bed is studied numerically to determine the equivalent permeability of the packed bed. In this study, the ratio of large to...
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Determining the Efficiency Ratio of a Heat-Exchange Apparatus
The author has proposed the general approach to determining the efficiency ratio of heat-exchange apparatuses with different schemes of motion of the...
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Shear Modulus and Dam** Ratio of a Calcite Cemented Gravelly Sand
This paper presents results of a comprehensive study on the dynamic behavior of a calcite cemented gravelly sand. The focus of this study is on the...
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Effects of Cement Ratio and Curing Period on Interface Shear Strength of Cement-Treated Soil
Shear and interface shear strength are crucial parameters in designing soil–cement mixture and the retaining wall in the soil modified by the deep...
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A Preliminary Searching Attempt for the Liquefied Critical Void Ratio of Soil Particles in Yilan Area, Taiwan
In recent years, the research on the liquefied critical (threshold) void ratio of soil deposit has become a fascinating topic. This paper tries to...
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A Simple Analytical Model of the Dam** Ratio Considering Effect of Particle Breakage
In this study, an attempt has been made to focus on the effect of particle breakage on one of the dynamic properties of granular materials using an...
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Relationship Between Ratio Analysis, DEA-R and DEA Models
Data envelopment analysis (DEA) is one of often used modeling tools for efficiency and performance evaluation of decision making units (DMUs). DEA-R...
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Effect of Reinforcement Ratio on Time-Dependent Deflection of Hybrid GFRP/Steel Reinforced Concrete Beams
This paper presents an experimental study on the effect of the steel reinforcement ratio on time-dependent deflections in hybrid glass...
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Fuzziness on Interconnection Networks Under Ratio Labelling
Investigation of interconnection networks like circulant network, hypercubes Q(n), cube connected cycles CCC(n), butterfly network BF(n), beans...
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Effect of Excessive Air Ratio on Hydrogen-fueled Spark Ignition Engine with High Compression Ratio Using Direct Injection System toward Higher Brake Power and Thermal Efficiency
Hydrogen is advantageous for use in internal combustion engines (ICEs) because of its high laminar flame speed and carbon-neutral characteristics....
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Improved ratio estimator under simple and stratified random sampling
This article deals with an exponential ratio type estimator for estimating the finite population mean utilizing known population median of the study...
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Optimal Hardness Ratio of Wheel Steel and Rail Steel for Minimum Wear
AbstractThe optimal hardness range of the hardened wheel rim and the rolling surface of the rail is determined, in terms of maximum wear resistance...
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Active design method and performance prediction of internal gear pairs with low sliding ratio
Reducing relative sliding between tooth surfaces contributes to the improved reliability of gear operation. This paper presents an active design of...
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Effect of Equivalence Ratio on the Performance and Emission Characteristics of a Dual-Fuel HCCI Engine with Swirl
This study examines the performance and emissions of a dual-fuel HCCI engine using an 85% n-dodecane and 15% ethanol blend. The ECFM-3Z compression...
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Seismic Collapse Risk Assessment of Low-Aspect-Ratio Reinforced Concrete Structures
Recent research studies have demonstrated that the seismic performance of low-aspect-ratio reinforced concrete shear walls has not been yet...
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Controlling interstory drift ratio profiles via topology optimization strategies
An approach to control the profiles of interstory drift ratios along the height of building structures via topology optimization is proposed herein....