可以使用该IAPWS97类创建一个特定热力学状态的对象，该类的构造函数的关键字参数包括： 1. T：温度[K] 2. P：压力[MPa] 3. h：比焓[kJ/kg] 4. s：比熵[kJ/kgK] 5. x：干度[-] 有效的参数组合 … Visa mer iapws.iapws97模块提供了如下基本方程，用于不同区域内的物性计算。形如_Regionr()的函数，根据输入的参数，确定区域r内的状态，返回一个字典；_TSat_P、_PSat_T这两个函数计算饱和线上的物性。 1. … Visa mer 向后方程指形如_Backwardr_x_yz的方程，其中r为物性区域，yz为输入参数，x为返回参数。 1. _Backward1_T_Ph 2. _Backward1_T_Ps 3. … Visa mer Webb6 feb. 2009 · 1 Answer Sorted by: 2 The result of property () is an object where you can't add new fields or methods. It's immutable which is why you get the error. One way to …
iapws.iapws97 — iapws 1.5.3 documentation - Read the Docs
Webb3 jan. 2024 · These errors yield to the program not being executed. One of the error in Python mostly occurs is “AttributeError”. AttributeError can be defined as an error that is raised when an attribute reference or assignment fails. For example, if we take a variable x we are assigned a value of 10. Webb21 apr. 2016 · At runtime, python has no idea what the variable "Pot" is. It happens to be a type variable, who's invocation generates an instance object. The last item is an … psychology in uae
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WebbThe call self.sample () is roughly equivalent to myThread.__dict__ ["sample"] (self). But if we're during the interpreter's tear-down sequence, then its own dictionary of known … Webb11 dec. 2024 · 2.1 IAPWS97类. 可以使用该IAPWS97类创建一个特定热力学状态的对象，该类的构造函数的关键字参数包括： T：温度[K] P：压力[MPa] h：比焓[kJ/kg] s：比 … Webbdef _t_hs (h, s): """Define the boundary between Region 2 and 3, T=f(h,s) Parameters-----h : float Specific enthalpy, [kJ/kg] s : float Specific entropy, [kJ/kgK] Returns-----T : float Temperature, [K] Notes-----Raise :class:`NotImplementedError` if input isn't in limit: * 5.048096828 ≤ s ≤ 5.260578707 * 2.563592004e3 ≤ h ≤ 2.812942061e3 References---- … hosted tile layer