| 1. | Check your oven door seal for heat leakage , and replace it if necessary 经常检查?炉门的封口垫有否泄漏热能,如有需要应立即更换。 |
| 2. | Performance analysis for a reheated endoreversible brayton cycle with heat resistance and heat leakage 具有热阻和热漏的再热布雷顿循环性能分析 |
| 3. | Performance analysis for a combined carnot and rankine heat engine cycle with heat resistance , heat leakage and supplemental combustion 热漏和补燃的卡诺和朗肯联合热机循环性能分析 |
| 4. | Ecological optimization of a universal combined carnot power engine with finite - rate heat transfer , heat leakage and internal irreversibility 热漏和内不可逆性的联合卡诺热机生态学优化 |
| 5. | This test shall be carried out after all structural tests have been completed and prior to the heat leakage test . for the said refrigerated containers , the air leakage rate , expressed hi standard atmospheric conditions is 2 . 38 m3 / h , not exceed 10m3 / h 机械式冷藏集装箱的制冷性能实验( 1 )的测试结果为箱内平均温度: - 18 . 03 ;箱外平均温度: 38 . 02 ,试验条件满足规范要求。 |
| 6. | Research of thermal engineering performance test facilities for refrigerated containers - the test standards and methods are deeply analyzed . airtightness test , heat leakage test and performance test ( with refrigeration unit ) are done on the developed test facilities . the process of the experiment system , used hi measuring the thermal engineering properties of refrigerated containers , is thoroughly discussed 气密性实验结果显示,箱内、外的温度波动范围处于15 25之间,箱内、外的压差处于250 10pa范围内,平均漏气率为2 . 38 ( m / h ) ,远远低于极限值10 ( m / h ) ,被测试的冷藏集装箱的气密性符合规范要求。 |
| 7. | In chapter 2 , a new irreversible cycle model is presented for an absorption refrigerator , in which not only the irreversibilities of heat conduction and heat leakage but also the irreversibilities resulting from the friction , eddy and other irreversible effects inside the working fluid are taken into account 第二章建立了不可逆吸收式制冷循环新模型,模型不仅考虑了热传导和热漏不可逆性,而且也考虑了循环工质内部由于摩擦,涡流及其它不可逆效应所引起的内不可逆性。 |
| 8. | In this dissertation , the influences of the irreversibilities of heat and mass transfer , the irreversibility inside a cyclic working fluid , heat leakage and otlier irreversible effects on the performances of three - source thermodynamic cycles are studied . by using the methods of finite - time thermodynamics and optimal control theory , the fundamental optimal relations and a series of performance bounds for the concerned thermodynamic cycles are derived 本文研究传热不可逆性、传质不可逆性、工质内部不可逆性及热漏等不可逆因素对三源热力循环性能的影响,应用有限时间热力学和最优控制论等方法,导出相关热力循环的基本优化关系和一系列性能界限。 |
| 9. | Ii heat leakage test shall be carried out to establish the heat leakage for the refrigerated container . the inner heating method only shall be used . three heating device shall be placed inside the insulated body of the container and thermal equilibrium shall be established between the power of the heating devices and associated fans , and the heat flowing out through the insulation 机械式冷藏集装箱的制冷性能实验( 2 )是将加热器按公式q = c u ( t - t )的值对箱内加热( c为附加热负荷q占漏热量的比例系数) ,且计算出系数c的值为0 . 14 ,大大低于iso规定的0 . 25 ,在投入附加的热负荷后,冷藏集装箱仍能保持箱内设定的温度。 |