An analytical evaluation of the Oak Ridge National laboratory lORM.) Foamg!a> Shipping Container was made to demonstrate its compliance with the regulations c ;>vcining offsite radioactive material shipping packages. The evaluation encompass "d five primary categories: structural integrity, thermal resistance, radiation >h:c!din«. nuclear criticality safety, and quality assurance. The results of the evaluation show that the container complies with the applicat lc regulations. I. INTRODUCTION When a puv" r >gc is to be used in offsitc shipments of radioactive or fissile material, it is subject to regular-ins governing its structural integrity, heat dissipation capabilities, shielding ability, nuclear cn.icality safety, and quality assurance. The safety standards for the packaging of radioactive and fissile materials arc set forth in Chapter 0529 of the I nitcd States Dcpa ment of Energy (DOE) Manual. 1 To secure approval for shipment, it must be shown by test, by experimental data, or by computational methods that the package complies with these regulations. Th'.-Oak Ridge National Laboratory (ORNL) Foamglas Shipping Container was evaluated both r.y test and analyses and shown to meet all applicable regulations. The methods used md the rrvjlt* of the evaluation are reported here. The ORNL F fttnglas Shipping Container is illustrated in Fig. I.I. Seventy-two containers have been fabricated from dra»vings i} and identified by the applicable Department of Transportation ."OOT) Special Permit No. 5795 (Appendix 9.1); most remain in sen ice (sec Sect. 6). An !n;erim Certificate of Compliance has been issued (Appendix 9.2). and the containers have been properly identified. This SARP. when approved, will complete the Nuclear Rcgoiauov Commission (NRC) requirements, and a permanent certificate of compliance *r-V issued. The container is used to ship uranium and plutonium isotopes cither singly or in mixture as metal or oxide. Shipments employing polyethylene bottles will be limited to 5 W Kfj output. Other shipment; will be limited to 10 W. As shown in : ig. LI. the radioactive material in its container is placed inside the flanged ami gaskctcd starless steel inner chamber that is centered in a 55-gal drum. The space between thinner ch.iirbt and the drum is filled with Foamglas. (Sec Sect. I.I for composition of FYumglas.? 0«NL Dtt« M-I4M2 A6 *V/lTH LOCK NUT Fig. 1.1 Foamglas Shipping Container. 3 I.I Description of Foamglas Shipping Container The pan numbers listed in this text refer to encircled numbers in Fig. 1.2. The external part of the Foamglas Shipping Container (Fig. 1.2) is a carbon steel drum. 23.0 in. OD by 35-1 16-in. long (part 10). which is identified as a Specification PH package (Sect. 2.1). Suspended inside the drum is a flanged and gasketed stainless steel inner container which meets specification 2R (Sect. 2.2) and has inside dimensions of 4.81 in. diam by IX in. long. The side wall of the inner container is made trom a 5-in.-diam sched-80 pipe (part II) which has a 0.375-in. wall. The bottom of the in...
Importance of the condition monitoring and predictive maintenance in motion systems is growing up as motion systems quantum and their complexity (number of axes, performance parameters) increases with increasing the automation of huge range of human activities and manufacturing processes. Probability of failures increases with the system complexity. Many faults and indication of their propagation in the electric drives would require additional sensors or hardware, higher bandwidth and sampling frequencies of feedback sensors, high computing power etc. for development of sophisticated methods to detect specific faults with good sensitivity, robustness and reliability under any operating condition. This paper presents an approach to the condition monitoring and prognosis applicable into the existing systems. These methods use the information available in the traditional electric drives-especially the information from the individual sensors in a voltage source inverter (VSI) and/or an electric motor. Condition indicators for these methods are based on application specific operating states or actions, which generates typical patterns in the signals. The condition monitoring is based on observing the deviations of these patterns between the healthy system and the system with fault propagating. The implementation strategy is described in the paper and some demonstration examples are shown as well.
This paper deals with battery monitoring system for the airplane VUT 051 RAY and description of the whole airplane battery. The whole battery for airplane consists of 3060 Li-ion cells Panasonic NCR18650A. These cells are separately installed into 30 battery packs, which are connected in series. Nominal parameters of the whole battery are 324 V, 102 Ah and maximal current 204 A. In this article, there are shown some detail of installation of the battery in the airplane and some tests.
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