The Three Gorges Project (TGP for short) is the key project to train and develop the Yangtze River of China,with multi-objects of flood defence,electricity generation,shipping,etc.However,sediment plays an important r...The Three Gorges Project (TGP for short) is the key project to train and develop the Yangtze River of China,with multi-objects of flood defence,electricity generation,shipping,etc.However,sediment plays an important role in beth constructing of engineering and exerting efficiency of TGP.Special attention,there- fore,has been paid to sediment problem of TGP since the very beginning of this engineering's pregnancy.Up to now,much observed data and fruitful researches about TGP have come into being,and a sci...展开更多
Based on the characteristics of large flow rate , low head , short annual operation time , and high reliability of the city flood-control pumping stations , a new-type shaft tubular pumping system featuring a shaft su...Based on the characteristics of large flow rate , low head , short annual operation time , and high reliability of the city flood-control pumping stations , a new-type shaft tubular pumping system featuring a shaft suction box and a siphon-type discharge passage with a vacuum breaker as the cutoff device was developed , which possesses such advantages as simple structure , reliable cutoff , and high energy performance.Taking some pumping stations as the case studies , in the light of the specified operation conditions , the hydraulic optimal design of the shaft-type tubular pumping system was determined and the optimized shape of the system was recommended.The performance prediction based on the computational fluid dynamics methodology was determined and the model test verification was conducted.The results show that the predicted data agree with the experimental head and efficiency so that both methods can be used to determine the performance of a real pumping station.Finally , the in-situ measurements of a pumping station during the commissioning period further verified that the shaft-type tubular pumping station with a siphon discharge passage is of higher efficiency , more reliable and stable.展开更多
The matters of equipment optimization development are usually discrete,fuzzy and non-quantitative.It is difficult directly to optimize the equipment development with a mathematical model.A set of methods for designing...The matters of equipment optimization development are usually discrete,fuzzy and non-quantitative.It is difficult directly to optimize the equipment development with a mathematical model.A set of methods for designing the equipment optimization development with six dimensions and eight main elements is established based on the theory and method of standardization.The top-tier design space of systematic development of equipment is built up by the relations of basic models,series and model spectrums.The relations of time and space for equipment optimization development are established.The design processes of a six dimension systematic space are expounded.The connotation of each plan in the main system space is analyzed.A design method for an entire equipment is established with standardization theory.The coordinating design methods of equipment technical system and the optimization design methods of equipment integration are discussed.The design methods for universalization and serialization of components and parts are established.The design methods of equipment optimization development highlight the relations of the basic model of platform,the serialization of platform basic models,the modularization of equipment functions,the model spectrum of variant equipment,and the universalization and serialization of components and parts.展开更多
Semiotics is the meta-science of researching the general theories of symbols.Design is the result of the production practice of the human society,and what are designed is to meet the first demand of the human society ...Semiotics is the meta-science of researching the general theories of symbols.Design is the result of the production practice of the human society,and what are designed is to meet the first demand of the human society and is the most important cultural creation;i.e.,the material cultural creation.All the cultural phenom ena are symbol phenomena,so the design phenomenon is also a kind of symbol phenomenon.The ecological aesthetics is a new aesthetic form,studying ecology itself,and it develops from the ecological aesthetic standard.This paper attempts to illustrate the relation of the two fields and find out how to realize sustainable development with the lead of the social values and the mainstream culture.展开更多
With the effective measure of curriculum maturity,curriculum development of higher education makes a breakthrough in the bottleneck period,ultimately providing an external driving force for the effective study on subs...With the effective measure of curriculum maturity,curriculum development of higher education makes a breakthrough in the bottleneck period,ultimately providing an external driving force for the effective study on substance of quality evaluation system in the development of higher education curriculum.The research shows that the development of higher education curriculum should make a comprehensive analysis of quality evaluation by following the principle of sustainability,which encourages the quality-oriented innovation of higher education curriculum,thus forming a substantive breakthrough in curriculum development.展开更多
In order to assure quality and control process in the development of the aircraft collaborative design software, a maturity assessment model is proposed. The requirements designing—house of quality is designed to eva...In order to assure quality and control process in the development of the aircraft collaborative design software, a maturity assessment model is proposed. The requirements designing—house of quality is designed to evaluate the maturity degree of the solution, and the evaluation results can help to manage and control the development process. Furthermore, a fuzzy evaluation method based on the minimum deviation is proposed to deal with the fuzzy information. The quantitative evaluation result of the maturity degree can be calculated by optimizing the semantic discount factor aim for the minimum deviation. Finally, this model is illustrated and analyzed by an example study of the aircraft collaborative design software.展开更多
With the development of computer science,the software technology changes with each passing day,itput forward higher and higher technical requirements for the software developers.Aim at each link in the process of deve...With the development of computer science,the software technology changes with each passing day,itput forward higher and higher technical requirements for the software developers.Aim at each link in the process of development,the present paper put forward a kind of software engineering personnel training system,the system can build a unified learning,management and evaluation system,to avoid the disadvantages of the traditional single system structure;the training process is more flexible,and it couldreduce the complexity of the artificial training and cause it to become more practical value.展开更多
文摘The Three Gorges Project (TGP for short) is the key project to train and develop the Yangtze River of China,with multi-objects of flood defence,electricity generation,shipping,etc.However,sediment plays an important role in beth constructing of engineering and exerting efficiency of TGP.Special attention,there- fore,has been paid to sediment problem of TGP since the very beginning of this engineering's pregnancy.Up to now,much observed data and fruitful researches about TGP have come into being,and a sci...
基金support by the 11th Five Year Key Project of China’s National Scientific Supporting Plan(Grant No.2006BAB04A03)the Hydraulic Engineering Project from the Water Resources Department of Jiangsu Province(Grant No.2010023)
文摘Based on the characteristics of large flow rate , low head , short annual operation time , and high reliability of the city flood-control pumping stations , a new-type shaft tubular pumping system featuring a shaft suction box and a siphon-type discharge passage with a vacuum breaker as the cutoff device was developed , which possesses such advantages as simple structure , reliable cutoff , and high energy performance.Taking some pumping stations as the case studies , in the light of the specified operation conditions , the hydraulic optimal design of the shaft-type tubular pumping system was determined and the optimized shape of the system was recommended.The performance prediction based on the computational fluid dynamics methodology was determined and the model test verification was conducted.The results show that the predicted data agree with the experimental head and efficiency so that both methods can be used to determine the performance of a real pumping station.Finally , the in-situ measurements of a pumping station during the commissioning period further verified that the shaft-type tubular pumping station with a siphon discharge passage is of higher efficiency , more reliable and stable.
文摘The matters of equipment optimization development are usually discrete,fuzzy and non-quantitative.It is difficult directly to optimize the equipment development with a mathematical model.A set of methods for designing the equipment optimization development with six dimensions and eight main elements is established based on the theory and method of standardization.The top-tier design space of systematic development of equipment is built up by the relations of basic models,series and model spectrums.The relations of time and space for equipment optimization development are established.The design processes of a six dimension systematic space are expounded.The connotation of each plan in the main system space is analyzed.A design method for an entire equipment is established with standardization theory.The coordinating design methods of equipment technical system and the optimization design methods of equipment integration are discussed.The design methods for universalization and serialization of components and parts are established.The design methods of equipment optimization development highlight the relations of the basic model of platform,the serialization of platform basic models,the modularization of equipment functions,the model spectrum of variant equipment,and the universalization and serialization of components and parts.
文摘Semiotics is the meta-science of researching the general theories of symbols.Design is the result of the production practice of the human society,and what are designed is to meet the first demand of the human society and is the most important cultural creation;i.e.,the material cultural creation.All the cultural phenom ena are symbol phenomena,so the design phenomenon is also a kind of symbol phenomenon.The ecological aesthetics is a new aesthetic form,studying ecology itself,and it develops from the ecological aesthetic standard.This paper attempts to illustrate the relation of the two fields and find out how to realize sustainable development with the lead of the social values and the mainstream culture.
基金a staged achievement of Jiangsu regulated research project of education science,entitled“The Reform of College English Teaching with the Cultivation of‘Outstanding Engineering Talents’as the Core in Engineering Universities”(Y-b/2011/01)
文摘With the effective measure of curriculum maturity,curriculum development of higher education makes a breakthrough in the bottleneck period,ultimately providing an external driving force for the effective study on substance of quality evaluation system in the development of higher education curriculum.The research shows that the development of higher education curriculum should make a comprehensive analysis of quality evaluation by following the principle of sustainability,which encourages the quality-oriented innovation of higher education curriculum,thus forming a substantive breakthrough in curriculum development.
基金supported by the National Natural Science Foundation for Youth of China(61802174)the Natural Science Foundation for Youth of Jiangsu Province(BK20181016)+1 种基金the Natural Science Foundation of the Jiangsu Higher Education Institutions of China(18KJB520019)the Scientific Research Foundation of Nanjing Institute of Technology of China(YKJ201614)
文摘In order to assure quality and control process in the development of the aircraft collaborative design software, a maturity assessment model is proposed. The requirements designing—house of quality is designed to evaluate the maturity degree of the solution, and the evaluation results can help to manage and control the development process. Furthermore, a fuzzy evaluation method based on the minimum deviation is proposed to deal with the fuzzy information. The quantitative evaluation result of the maturity degree can be calculated by optimizing the semantic discount factor aim for the minimum deviation. Finally, this model is illustrated and analyzed by an example study of the aircraft collaborative design software.
文摘With the development of computer science,the software technology changes with each passing day,itput forward higher and higher technical requirements for the software developers.Aim at each link in the process of development,the present paper put forward a kind of software engineering personnel training system,the system can build a unified learning,management and evaluation system,to avoid the disadvantages of the traditional single system structure;the training process is more flexible,and it couldreduce the complexity of the artificial training and cause it to become more practical value.
