Предмет: Физика, автор: Аноним

Сухой термометр психрометра показывает 20'С. По разности показаний термометра определили что относительная влажность равна 60%. Найти давление водяного пара в воздухе. Какова температура влажного термометра? Чему равна точка росы? 

Ответы

Автор ответа: константиновна
0

φ=Р/Рн.п

Р=φ*Рн.п

Рн.п.(20'С)=17,5кПа ( по таблице)

Р=0,6*17,5=10,5кПа

t(вл)=20- 4 =16'C ( по психометрической таблице находишь разность показаний сухого и влажного =4'С

Tросы(10,5к Па) = 12'С ( по таблице "Давление насыщенного пара)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Похожие вопросы
Предмет: Английский язык, автор: Niik001
Task.1 Read the diologue. Student: Excuse me, Ms Henderson? Teacher: Yes, Diana. How can I help you? Student: I'm sorry, but I can't come to class next Wednesday. I have a doctor's appointment. Teacher: OK Thanks for letting me know. Student: Is there anything to do at home? Teacher: Let me just check my notebook. OK, first of all ... you need to read chapters 17, 19 and 20 in the book. There are also some articles and a video to watch - those are online. I'll post the links online in the usual place. Student: Chapters 17 to 20. Teacher: Yes, except chapter 18 Chapters 17, 19 and 20. Student: Ah, OK. Um Teacher: Yes, this Friday. But there's something else. I was going to give you all a practice test. is there a deadline? Student: A practice test? Teacher: Yes, to help people prepare for the mid-term exam. Student: Ah. All right. Teacher: Don't worry, I can send you the practice test by email on Wednesday. Can you send it to me before Friday? Student: Sure, no problem to bring a certificate from the doctor to the office Teacher: And don't forget Student: Thanks, Ms Henderson! I'll do that. Teacher: You're welcome, Diana. Take care.
1. Why can't she come to class next Wednesday? a) She visits her grandmother. b) She has a doctor's appointment c) She goes to sport club 2. What task did the teacher give? a) Chapters 17 to 20, except 18 b) Chapters 17 to 20. c) Chapters 16 to 20, except 18 3.What task can be send the teacher by email on Wednesday? a) Articles b) practice test c)Project work