It is an important scientific research activity in China to carry out near-space exploration and scientific experiments via aerospace carriers.Early near-space exploration projects mainly used aircraft,balloons,soundi...It is an important scientific research activity in China to carry out near-space exploration and scientific experiments via aerospace carriers.Early near-space exploration projects mainly used aircraft,balloons,sounding rockets and Earth satellites to carry out space environment exploration.With the development of China’s space science and technology,microgravity science has become a frontier science that has developed rapidly in the past 20 years.With the continuous progress of national space science and technology,the demand for near-space exploration and scientific experiments is increasing year by year.In the next 2 to 3 years,many advanced science activities and the associated technologies need to conduct corresponding experimental research work.This paper mainly analyzes the significance of scientific research and the ways to realize near-space exploration at home and abroad,and analyzes the directions and innovations that can be carried out in the future.展开更多
Solid-propellant and liquid-propellant launch vehices have their own characteristics,both playing an im-portant role in space transportation systems of space powers.This paper reviews and summarizes the development hi...Solid-propellant and liquid-propellant launch vehices have their own characteristics,both playing an im-portant role in space transportation systems of space powers.This paper reviews and summarizes the development history of solid-propellant launch vehicles,and analyzes their technical characteristics including multiple stages,large payloads,complex separation,diverse operation modes,fast response,and mission adaptability as well as unique ad-vantages in launch activities.This paper analyzes and proposes four development laws for solid-propellant launch vehi-des,including improving comprehensive performance,infusing heritage with innovation,unitization and seriation,and optimizing power systems.Finally,this paper proposes the opportunities and challenges faced by solid-propellant launch vehicles based on market demands.展开更多
The Kinetica-I rocket is designed for small-and medium-sized spacecraft launch missions to sun-synchronous orbit and low Earth orbit.The maiden flight was performed on July 27,2022.The Kinetica-I rocket is characteriz...The Kinetica-I rocket is designed for small-and medium-sized spacecraft launch missions to sun-synchronous orbit and low Earth orbit.The maiden flight was performed on July 27,2022.The Kinetica-I rocket is characterized by competitive payload capability and cost,robust orbital insertion accuracy,high reliability,availability at short notice and logistical versatility.12 new core technologies have been achieved during the development of the rocket.It is of great significance in promoting the innovation of China's solid carrier rocket technology and science exploration.展开更多
文摘It is an important scientific research activity in China to carry out near-space exploration and scientific experiments via aerospace carriers.Early near-space exploration projects mainly used aircraft,balloons,sounding rockets and Earth satellites to carry out space environment exploration.With the development of China’s space science and technology,microgravity science has become a frontier science that has developed rapidly in the past 20 years.With the continuous progress of national space science and technology,the demand for near-space exploration and scientific experiments is increasing year by year.In the next 2 to 3 years,many advanced science activities and the associated technologies need to conduct corresponding experimental research work.This paper mainly analyzes the significance of scientific research and the ways to realize near-space exploration at home and abroad,and analyzes the directions and innovations that can be carried out in the future.
文摘Solid-propellant and liquid-propellant launch vehices have their own characteristics,both playing an im-portant role in space transportation systems of space powers.This paper reviews and summarizes the development history of solid-propellant launch vehicles,and analyzes their technical characteristics including multiple stages,large payloads,complex separation,diverse operation modes,fast response,and mission adaptability as well as unique ad-vantages in launch activities.This paper analyzes and proposes four development laws for solid-propellant launch vehi-des,including improving comprehensive performance,infusing heritage with innovation,unitization and seriation,and optimizing power systems.Finally,this paper proposes the opportunities and challenges faced by solid-propellant launch vehicles based on market demands.
文摘The Kinetica-I rocket is designed for small-and medium-sized spacecraft launch missions to sun-synchronous orbit and low Earth orbit.The maiden flight was performed on July 27,2022.The Kinetica-I rocket is characterized by competitive payload capability and cost,robust orbital insertion accuracy,high reliability,availability at short notice and logistical versatility.12 new core technologies have been achieved during the development of the rocket.It is of great significance in promoting the innovation of China's solid carrier rocket technology and science exploration.
