Professor
Yongjie Hu
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Most Helpful Review
Winter 2022 - This is my most enjoyable course at UCLA. Professor Hu is a great lecturer who is very knowledgeable and obviously concerned with our learning of the course materials. His lectures are very clear, efficient, and have a good balance between concepts and examples. I feel like I learned a lot from the class. I also like the small quizzes which helped me stay on top of the contents. Final exam shouldn't be an issue as long as you practice the homework. 105D can be a difficult engineering course otherwise, but this fantastic professor made it very easy.
Winter 2022 - This is my most enjoyable course at UCLA. Professor Hu is a great lecturer who is very knowledgeable and obviously concerned with our learning of the course materials. His lectures are very clear, efficient, and have a good balance between concepts and examples. I feel like I learned a lot from the class. I also like the small quizzes which helped me stay on top of the contents. Final exam shouldn't be an issue as long as you practice the homework. 105D can be a difficult engineering course otherwise, but this fantastic professor made it very easy.
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Most Helpful Review
Winter 2024 - Alright this class is definitely not a walk in the park but is definitely not the worst thing to take. The class has 6 labs and will likely change depending on what quarter you take it in. 5 of the 6 are with your group with the last one being solo. For each lab you're given roughly 1 and half weeks to work on. The labs are NOT the same level of difficulty. Anything involving fluids is easy, anything involving stress-strain analysis is mid, and anything involving heat transfer or thermo is painful & really long. For example, the thermodynamic analysis lab where we evaluated a refrigeration system wasn't difficult but was painfully long to analyze the data. We had to make 4 T-s Diagrams, 2 Mollier Diagrams, get COP coefficients ideal and non-ideal, Superheat, and then 3 P-V diagrams. This is just the data analysis by the way, so once this is done you still have like 80% of the report to write. BUT, professor Hu is not a demon. He grades generously and you'll get anywhere from a B ~ A depending on the level of effort you put into it; so not all hope is lost. Also, your experience in the class is dependent on you group members. So please choose a decent group if you can, if not just hope for the best. Lastly, remember how I said there is an individual report ? Yeah, you get to have the enjoyment of writing one of those beasts on your own. But be smart, in the beginning of the quarter he lets you choose your group # and depending on your #, you'll be given a different solo lab report. Now you didn't hear this from me, but the easiest solo lab report is the flow measurement one :) Also do not confuse this class with 157W, that beast is different.
Winter 2024 - Alright this class is definitely not a walk in the park but is definitely not the worst thing to take. The class has 6 labs and will likely change depending on what quarter you take it in. 5 of the 6 are with your group with the last one being solo. For each lab you're given roughly 1 and half weeks to work on. The labs are NOT the same level of difficulty. Anything involving fluids is easy, anything involving stress-strain analysis is mid, and anything involving heat transfer or thermo is painful & really long. For example, the thermodynamic analysis lab where we evaluated a refrigeration system wasn't difficult but was painfully long to analyze the data. We had to make 4 T-s Diagrams, 2 Mollier Diagrams, get COP coefficients ideal and non-ideal, Superheat, and then 3 P-V diagrams. This is just the data analysis by the way, so once this is done you still have like 80% of the report to write. BUT, professor Hu is not a demon. He grades generously and you'll get anywhere from a B ~ A depending on the level of effort you put into it; so not all hope is lost. Also, your experience in the class is dependent on you group members. So please choose a decent group if you can, if not just hope for the best. Lastly, remember how I said there is an individual report ? Yeah, you get to have the enjoyment of writing one of those beasts on your own. But be smart, in the beginning of the quarter he lets you choose your group # and depending on your #, you'll be given a different solo lab report. Now you didn't hear this from me, but the easiest solo lab report is the flow measurement one :) Also do not confuse this class with 157W, that beast is different.
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