前言我国部分地区面临着燃料的严重短缺,并且已发展成为一个有关水土保护的重大问题。因此,采用太阳灶来解决农村部分燃料是一个迫不及待的具有重大实用价值的研究课题。我国在研制低成本的实用太阳灶方面已取得一定进展。在1979年西安太阳能会议测定太阳灶热性能的过程中,测定单位与太阳灶研制单位都提出应该有一个评定太阳灶热效率的试验方法,以便促进太阳灶的研制与推广。通过对聚光式太阳灶热性能的理论分析和二年来各地太阳灶研制和使用,国内对聚光式太阳灶的热效率、焦斑性能、有效功率等都积累了一定 Foreword Some parts of our country are facing serious fuel shortages and have developed into a major issue concerning water and soil conservation. Therefore, the use of solar cookers to solve part of the rural fuel is an urgent research topic of great practical value. China has made some progress in developing low-cost practical solar cookers. During the determination of the thermal performance of solar cookers in Xi’an Solar Energy Conference in 1979, both the measurement unit and the research institute of solar cookers proposed that there should be a test method for assessing the thermal efficiency of solar cookers in order to promote the development and promotion of solar cookers. Through the theoretical analysis of the thermal performance of the concentrating solar cooker and the development and use of the solar cooker over the past two years, the thermal efficiency, focal spot performance and effective power of the concentrating solar cooker have all been accumulated in China