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Based on the current situation of energy and disadvantage of present solar heating water methods, a high-efficiency and secure hot water service system indirectly utilizing solar power has been introduced. The hot water preheating process is added to this system. It can make full use of solar-energy, shorten the time for heating, reduce energy consumption, cut the cost without polluting the drinking...
Based on the process of the normal stress approach and ANSYS software, the paper discusses the methods of fatigue life prediction and structural strength of steel wheel under the bending condition. Comparing with theoretical computation result and practical application, the method has been proved correctly and is useful for the design and optimization of steel wheel.
The design status and existing problems in Bulk-cement Delivery Tankers were studied at first, and then the importance to construct the Rapid Design of Bulk-cement Delivery Tankers was discussed. Based on variant design, the rapid design system of bulk-cement delivery tankers was proposed, and the architecture and the key implement of this rapid design system were expounded. Research and practice...
The manufacturing tolerances of the structural parameters of the hydrodynamic journal bearing system are inevitable. This paper presents a theoretical analysis of the effects of the manufacturing tolerances on the stability of the system. The effects of the dynamic viscosity variation caused by the temperature change, the manufacturing tolerances of the bearing length and the diameters of both the...
This paper extends the analysis of Part I to investigate the influences of the manufacturing tolerances on the stability of the journal bearing system. A new dimensionless stability map with consideration of the manufacturing tolerances is modeled by introducing in the concepts of nominal dimensions and limits. Several new parameters are deduced to express the synthesized manufacturing tolerances...
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