低温与超导
低溫與超導
저온여초도
CRYOGENICS AND SUPERCONDUCTIVITY
2010年
2期
9-12,74
,共5页
G-M型脉管%低温制冷机%双向进气%进气频率%长颈管
G-M型脈管%低溫製冷機%雙嚮進氣%進氣頻率%長頸管
G-M형맥관%저온제랭궤%쌍향진기%진기빈솔%장경관
G-M type pulse tube%Cryocooler%Double inlet%Operating frequency%Inertance tube
根据Redebaugh相位分析理论,建立了双向进气对于G-M型脉冲管制冷机性能影响的数学模型,在此基础上提出了制冷机性能优化的若干措施.同时建立了单级G-M型脉冲管制冷机性能实验系统,通过改进小孔阀的开度,优化旋转阀的进气频率和双向进气的开度,使系统性能得到了明显的改善.
根據Redebaugh相位分析理論,建立瞭雙嚮進氣對于G-M型脈遲管製冷機性能影響的數學模型,在此基礎上提齣瞭製冷機性能優化的若榦措施.同時建立瞭單級G-M型脈遲管製冷機性能實驗繫統,通過改進小孔閥的開度,優化鏇轉閥的進氣頻率和雙嚮進氣的開度,使繫統性能得到瞭明顯的改善.
근거Redebaugh상위분석이론,건립료쌍향진기대우G-M형맥충관제랭궤성능영향적수학모형,재차기출상제출료제랭궤성능우화적약간조시.동시건립료단급G-M형맥충관제랭궤성능실험계통,통과개진소공벌적개도,우화선전벌적진기빈솔화쌍향진기적개도,사계통성능득도료명현적개선.
Based on Redebaugh's phase analytical theory, a mathematical model of double inlet mechanism for G-M type pulse tube cryocooler (PTC) was proposed and established in this paper. Several measures were put forward in order to improve the cooling performance of the PTC. In additions, an experimental set-up for a single-stage G-M type PTC was designed and constructed. By optimizing the openings of orifice valve and double inlet valve as well as the operating frequency, the cooling performance of the current PTC was greatly improved.
