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R410aA simple theoretical model of a heat pipe heat exchanger (HPHE) based on the 蔚-NTU method is presented. An iterative computer program was developed to predict the overall effectiveness of a counter-flow air-air loop heat pipe heat exchanger (LHPHE). A thermal resistance network ...
百度试题 结果1 题目9.求下列矩阵的逆矩阵:你阵,证明AB是对称矩阵的充分必要条件是AB1(2)(sinθ-sinθ) a12-10a234-2(4)(a1a2 an≠0).5-410a 相关知识点: 试题来源: 解析 答案 解析 (,, } ()-南 7)7) 。一十 I T =-2 反馈 收藏 ...
R410AR507The effect of refrigerant blends 410A and 507 on the operation of an ejector cooling system -ECS- is theoretically studied with the aid of a validated multi-geometry ejector mathematical model. For a system cooling capacity of 1 kW, a set of possible design conditions were ...
The two-phase flow of R410A refrigerant through an electronic expansion valve (EEV) is modelled using two models, the Homogeneous Equilibrium Model (HEM) and Homogeneous Relaxation Model (HRM) in a CFD numerical analysis. The reason for this is to take a step towards developing a more generic...
K., TAEK O. J., HONGGI C., TAEHUM K., JUNGHO K., JAEYOUNG C., An Experimental Investigation of Condensation Heat Transfer Coefficient Using R-410A in Horizontal Circular Tubes, The 7th International Conference on Applied Energy - ICAE2015, Energy Procedi...
Discovery of an M-Substituted N-Cyclopropylmethyl-7伪-phenyl-6,14-endoethanotetrahydronorthebaine as a Selective, Potent, and Orally Active 魏-Opioid Recep... Discovery of an M-Substituted N-Cyclopropylmethyl-7伪-phenyl-6,14-endoethanotetrahydronorthebaine as a Selective, Potent, and Orally ...
Use of anionic clay in an FCC process一种催化剂或催化剂添加剂在流化催化裂化工艺中的应用,该催化剂或催化剂添加剂包括阴离子粘土或其热处理形式,以K2O计算并且基于含钾的阴离子粘土的重量,所述的阴离子粘土含有钾至少0.5wt%. A catalyst or catalyst additive used in the fluidized catalytic cracking process...
2024年8月,广东省汕尾50岁代课老师文某某因拒绝发生性关系,被60岁男友吴某某持斧头杀害。 近日,汕尾检察院对该案提起公诉。当地警方鉴定意见书显示,吴某某符合“无精神病”的诊断标准,在本案应为完全刑责能力,具有受审能力。 此前报道: 3月31日,广东陆丰市陈先生称,杀害他妈妈的嫌疑人被鉴定为无精神病,此案应...
北京市气象台10日17时发布:今天夜间多云,南风二三级,最低气温13℃;明天白天多云间晴,山区有分散雷阵雨,南风二级转北风四级左右(阵风七八级),最高气温27℃。已发布大风橙色预警信号,明天傍晚至周日持续大风天气,请注意防范。来源:@气象北京...