航天产品实施通用化、系列化、组合化有关问题的研究

阐述了在航天产品研制中全面实施“三化”是以最少人力、最低成本、最短研制周期满足最可靠产品的重要途径和手段,分析了目前航天产品实施“三化”存在的主要问题及原因,探讨了实施的基本思路,从意识形态、组织机构和政策倾斜等方面提出了加强“三化”工作的对策。     

液冷头盔致冷效能的医学研究

在45℃高温条件下,应用液冷头盔给10名被试者的头颈部致冷,散热效能较高,可带走安静时30.9％～48.3％的代谢产热。降低身体的热蓄积,减少出汗,减慢心率、直肠温度和皮肤温度的上升速率。对头颈部致冷可降低身体的热紧张度50％～70％,明显改善对温热的舒适感觉。同时表明,致冷液温、流量及液流走向,对致冷效能均有显著影响。为液冷头盔及致冷装置的设计,提供了医学实验依据。     

不同氧化剂对丁羟(HTPB)推进剂老化性能影响的研究

本文研究了不同氧化剂对丁羟(HTPB)推进剂老化性能的影响.实验结果表明:随着推进剂老化时间的延长,最大拉伸强度增加,伸长率降低,邵氏硬度升高,失重百分数略有下降,而相对交联密度也上升.由此可以得出结论:热稳定的、产物氧化性弱的氧化剂,对于提高丁羟推进剂的老化性能是有益的.本文进一步用热重分析方法和红外光谱法对上述结果作了验证,并对丁羟推进剂的老化机理进行了初步探讨.     

Structure and kinetic properties of slow-mode shocks associated with magnetic reconnection in the near-Earth magnetotail

We study the structure and kinetic properties of slow-mode shocks near the plasma sheet boundary layer (PSBL) associated with magnetic reconnection by Cluster observation. The presence of slow-mode shocks is confirmed by traditional Rankine–Hugoniot (RH) analysis and Monte-Carlo shock fitting method. The Walén analysis, applied to the tailward flow associated with slow-mode shocks, also supports that plasma was accelerated across a Petschek-type slow-mode shock connected to the diffusion region. Back-streaming ions were observed on the shock layer, and cold ions were accelerated and heated by slow-mode shocks. In addition, whistler and electrostatic solitary waves were observed around the slow-mode shocks. These waves might be excited by the observed field-aligned electron beams near the shocks.     

J2级经纬仪竖盘指标自动补偿误差不确定度

介绍了按照ＪＪＧ４１４—９４《光学经纬仪》检定、校准Ｊ２级经纬仪竖盘指标自动补偿误差时，依据“’９３国际指南”要求，对其测量不确定度进行的分析、计算。     

Optimum parameter matching obtained by experiments for coring drilling into lunar simulant

This paper performs a series of ground experiments (on the Earth) to obtain optimum parameter matching for a future core drill on the Moon. Three common stages, I, II, III, are recognized with respect to the cut per revolution (CPR), which is defined as the ratio between the feeding speed and the rotating speed. The optimum matching between the feeding speed and the rotating speed for drills locates at the boundary position between Stage II and Stage III, where the coring rate saturates and the weight on the bit and the driving torque are still low. Further data analysis of the ground experiments reveals that the optimum matching signifies a proportional relation between the maximum conveying rate (MCR) by the groove of the auger and its rotating speed. The kinetic analysis in an ideal condition without gravity, the friction from the auger groove and the pressure at the bit confirm a similar proportion. The correlation between the proportions needs further study to determine whether the optimum matching obtained on the ground can be directly applied to future drills on the Moon.     

亚跨超CFD软件平台研制

亚跨ＣＦＤ软件平台研制的宗旨是综合国内外计算流体动力学的最新研究成果，用计算机软件技术的新发展，建立一个面向对象的计算流体动力学的研究开发环境，加快计算流体动力学最新成果向工程应用的转换速度。本文介绍初级版本的研究进展和研究成果，主要匝数值网格生成技术，流场解算器，面向对象的界面设计等三部分组成。     

The Voyager mission Photopolarimeter Experiment

The Voyager Photopolarimeter Experiment is designed to determine the physical properties of particulate matter in the atmospheres of Jupiter, Saturn, and the Rings of Saturn by measuring the intensity and linear polarization of scattered sunlight at eight wavelengths in the 2350–7500 Å region of the spectrum. The experiment will also provide information on the texture and probable composition of the surfaces of the satellites of Jupiter and Saturn and the properties of the sodium cloud around Io. During the planetary encounters a search for optical evidence of electrical discharges (lightning) and auroral activity will also be conducted.     

基于集成学习模型的飞行学员认知负荷研究

在飞行过程中,飞行员需要在短时间内接收大量信息,并做出正确的判断与决策,而过高的认知负荷会影响其感知、判断、决策等认知过程,进而影响飞行安全。首先通过飞行模拟实验获取飞行学员在执行不同飞行任务时的生理数据;然后通过时域、频域分析等方法提取呼吸和心电信号的特征,并通过统计学方法筛选出能够反映认知负荷水平的指标;最后结合支持向量机、K 最邻近、人工神经网络等方法建立集成学习模型,对飞行学员的认知负荷进行评估,并与单一算法进行对比。结果表明：本文建立的集成学习模型具有较高的准确率,能够更好地反映飞行学员认知负荷水平。     

复合固体推进剂过渡相(中间相)力学模型

在总结归纳复合固体推进剂力学性能研究的基础上,吸取键合剂作用模型的优点,结合新近提出的网络与形态结构理论,并引入颗粒充填复合材料中的成熟理论,提出了一个描述复合固体推进剂力学性能的过渡相（中间相）模型。通过力学,数学推导建立了复合固体推进剂的结构因素与力学性能表征参数（σ,ε）的定性关系,这与验证主前人的结果基本一致,其中提出的关于过渡相模量与基体模量匹配的调节方法,为进一步提高复合固体推进剂的力