نوع مقاله : مقالة‌ تحقیقی‌ (پژوهشی‌)

نویسندگان

1 دپارتمان مکانیک خودرو، دانشکده شهید بابایی، دانشگاه فنی و حرفه‌ای استان قزوین، قزوین، ایران

2 گروه پژوهشی پرتوفرآوری و دزیمتری، پژوهشکده کاربرد پرتوها، پژوهشگاه علوم و فنون هسته ای، سازمان انرژی اتمی ایران، تهران، ایران

3 دپارتمان سازه و ارتعاشات، گروه کامپوزیت و مواد پیشرفته، مرکز تحقیقاتی شهید قندی، تهران، ایران

4 گروه پژوهشی پرتوفرآوری و دزیمتری، پژوهشکده کاربرد پرتوها، پژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی هسته ای، تهران، ایران

5 گروه پژوهشی پرتوفرآوری و دزیمتری، پژوهشکده کاربرد پرتوها، پژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی اتمی ایران، تهران، ایران

6 پژوهشکده مواد و انرژی، پژوهشگاه فضایی ایران، اصفهان، ایران

7 گروه ارتباطات ماهواره‌ای، مرکز تحقیقات مخابرات ایران، پژوهشگاه ارتباطات و فناوری اطلاعات، تهران، ایران

چکیده

ساندویچ‌پنل‌ها به علت استحکام ویژه‌ی بالا، در صنایع مختلفی کاربرد دارند. از آن جمله استفاده در سازه‌های فوق سبک هوافضایی است. در این مقاله به بررسی تجربی تاثیر حفاظتی ساختارهای ساندویچی مورد استفاده در سازه‌های فضایی فوق سبک در برابر پرتوهای گاما پرداخته شده است. هشت ساختار از پرکاربردترین سازه‌هایی که در ساختار‌های فضایی مانند آنتن‌های مخابراتی و بدنه‌های ماهواره‌ها استفاده می‌شود، در معرض تشعشع چشمه‌های رادیوایزوتوپی پرتوهای گاما (امرسیوم، باریم و سزیوم) با انرژی‌های keV 60، keV 80، keV 385 و keV 662 قرار داده شده و نتایج آن با هم مقایسه شده است. جنس رویه (آلومینیومی و کربنی)، ضخامت‌های رویه‌ها و ابعاد سلول لانه زنبوری از مهم‌ترین پارامترهای ارزیابی هستند. در این مقاله با استفاده از پارامتر «حفاظت ویژه» ساختارهای مختلف تست شده مقایسه شده‌اند و بهترین ساختار از دیدگاه حفاظتی شناسایی و گزارش شده است.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Experimental study of the effect of using space sandwich structures for protection against space radiation

نویسندگان [English]

  • Majid Mokhtari 1
  • Hamideh Daneshvar 2
  • Morteza Bahmani nejad 3
  • Shahryar Malekie 4
  • Armin Mosayebi, 5
  • Amir Torabpoor-Isfahani, 6
  • Iman Aryanian 7

1 Instructor (Corresponding Author), Automotive Mechanics, Department, Shahid Babaei Faculty, Technical and Vocational University of Qazvin Province, Qazvin, Iran

2 Assistant Professor, Faculty member of Radiation processing and Dosimetry Research Group, Radiation Application Research Institute, Nuclear Science and Technology Research Institute, Tehran, Iran.

3 M.Sc. Department of Structures and Vibrations, Department of Composites and Advanced Materials, Shahid Qandi Research Center, Tehran, Iran

4 Assistant Professor, Faculty member of Radiation processing and Dosimetry Research Group, Radiation Application Research Institute, Nuclear Science and Technology Research Institute, Tehran, Iran

5 Assistant Professor, Faculty member of Radiation processing and Dosimetry Research Group, Radiation Application Research Institute, Nuclear Science and Technology Research Institute, Tehran, Iran

6 Materials and Energy Research Institute, Iran Space Research Institute, Esfahan, Iran

7 Department of Satellite Communication. Iran Telecommunication Research Center (ITRC), Research Institute of Communication and Information Technology, Tehran, Iran

چکیده [English]

Sandwich panels are used in various industries due to their high special strength. It is used in ultra-light aerospace structures. In this paper the protective effect of sandwich structures used in ultralight space structures against gamma rays is investigated. Eight structures of the most widely used structures used in space structures such as telecommunication antennas and satellite bodies are exposed to radioisotopic sources of gamma rays (Amercium barium and cesium) with energies of 60 kV, 80 kV, 382 and 66 kV, have been compared to each other. Surface material (aluminum and carbon), surface thicknesses and honeycomb cell dimensions are the most important evaluation parameters. In this paper, different structures have been compared using the "special protection" parameter and the best structure from a protection perspective has been identified and reported.

کلیدواژه‌ها [English]

  • Sandwich panels
  • space structures
  • radiation protection
  • carbon fiber composites
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