Lecture 11: Hear Transfer from Extended Surfaces (Fins)

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  • Опубліковано 14 січ 2016
  • This lecture covers the following topics:
    1. Important parameters which affect the heat transfer from surfaces
    2. Governing equation for temperature distribution in a fin
    3. Infinitely long fin
    4. Fin with insulated tip
    5. Fin tip with convective heat loss

КОМЕНТАРІ • 73

  • @gajanandgupta2926
    @gajanandgupta2926 3 роки тому +20

    We will miss you sir .......I don't know how to thank you for fluid mechanics , thermodynamics 1&2 , Heat Transfer ......overall you are God of mechanical engineering.......#RIP SIR 😭

  • @rajfreakinprajapat
    @rajfreakinprajapat 3 роки тому +8

    The Messiah of Thermal Science 🙌🏼🙌🏼🙌🏼

  • @walidmaldji4550
    @walidmaldji4550 4 роки тому +2

    you have explained it as touchable and not virtual like all of our teachers did,
    You are the GOD of Heat transfer Sir, thank you.

  • @mayankrajprajapat8542
    @mayankrajprajapat8542 7 років тому +5

    you are the best one teacher i have ever meet throughout my thermodynamics till now , and it seems no requirement of others then .
    you seems to be one of on FAYMAN'S TECHNIQS .
    "Ancient great INDIAN SCIENTIST will definitely have PROUD on you".

  • @gersongabriel3984
    @gersongabriel3984 6 років тому +30

    Absolutely wonderful. Very good teacher. Greetings from Brazil

    • @kingvkronaldo.9273
      @kingvkronaldo.9273 5 років тому +6

      Yeah.. brother he is a professor in IIT Kharagpur.. it's one of the best institutions of India.

  • @SURAJYADAV-bj4br
    @SURAJYADAV-bj4br 7 років тому +3

    very great fan of your, dear sir. you taught thermodynamics very well sir. very thankful to you

  • @asagar7796
    @asagar7796 6 років тому +2

    Phenomenal, thank u sir for the explanation in detail manner.

  • @neerajtiwari6600
    @neerajtiwari6600 7 років тому +2

    God of thermal science. You are really great sir.

  • @gpatrana
    @gpatrana 4 роки тому +4

    Amazing,,
    He also taught us how to think

  • @pallabbhattacharjee2685
    @pallabbhattacharjee2685 5 років тому +1

    You are the GOD of thermal science sir... My favorite teacher

  • @048_nawalkumar7
    @048_nawalkumar7 5 років тому

    Really, you are the best faculty of ht...

  • @abdurrahman-zq4tf
    @abdurrahman-zq4tf 3 роки тому

    Thanks sir, you have highlighted heat conduction through cross section, besides heat convection through lateral surface clearly and technicaly.

  • @joylee6177
    @joylee6177 7 років тому +15

    Teacher, you're very professional in heat transfer.

  • @mayankrajprajapat8542
    @mayankrajprajapat8542 7 років тому +3

    "Ancient great INDIAN SCIENTIST will definitely have PROUD on you".

  • @SenseAE
    @SenseAE 4 роки тому +1

    Amazing SIR!

  • @alexwu8502
    @alexwu8502 2 роки тому

    Nice Lecture from the video. I can try to learn from you.

  • @Nawab_Sharief
    @Nawab_Sharief 7 років тому +1

    u cleared my confusion sir

  • @DarkSlayerphlc
    @DarkSlayerphlc 4 роки тому

    Thank you Professor!!!!!!!!!

  • @pavanagasimani8372
    @pavanagasimani8372 7 років тому +1

    my favourite sir

  • @priyanshudahiyaiitbhu6206
    @priyanshudahiyaiitbhu6206 2 роки тому

    you are best teacher sir

  • @Krishna-wz8mz
    @Krishna-wz8mz 3 роки тому

    Thank you sir 🙏

  • @vishwarajmech
    @vishwarajmech 6 років тому

    How can we calculate characteristic length of trapezoidal fin

  • @sahilrajeshgajbhiye4968
    @sahilrajeshgajbhiye4968 3 роки тому

    ty very much sir

  • @devchinna6313
    @devchinna6313 2 роки тому

    Why does a condenser in a chiller or split AC outdoor unit have forced circulation even though fins are more effective in natural convection?

  • @xtropy7439
    @xtropy7439 Рік тому

    Best !

  • @AtulKumar-vg4wk
    @AtulKumar-vg4wk 7 років тому +1

    I wish if i will get the chance to do research work under your guidance then it will be honor for me

  • @NikhilKumar-ye4zv
    @NikhilKumar-ye4zv 7 років тому +2

    superb sir

  • @bobbytracy3666
    @bobbytracy3666 4 роки тому +1

    Anyone know the song in the beginning?

  • @mukulojha8880
    @mukulojha8880 4 роки тому

    Best in the world

  • @jaganmodi5026
    @jaganmodi5026 7 років тому +2

    nice lecture

  • @dipayandey.605
    @dipayandey.605 5 років тому

    What is the generalized approach for all the cases, mentioned last of the video?
    If we will get the chance to have it , we will be grateful to you

  • @pavangundumogula3458
    @pavangundumogula3458 7 років тому

    nice

  • @abhijitrath1553
    @abhijitrath1553 6 років тому +2

    S. K som the god of thermal science, love u sir

  • @dedantheminiman9333
    @dedantheminiman9333 2 роки тому

    I am confused on how to solve at 38:49, someone please help

  • @harisiqbal4091
    @harisiqbal4091 4 роки тому +2

    Respected Sir!
    Your lecture is really very helpful to me
    I have a question that if we use a porous fin instead of solid one then what will be the effects ?

    • @prathameshdand4418
      @prathameshdand4418 3 роки тому +1

      Hey mate u have a very interesting point to discuss about it.... Have u got any suggestions/solutions/information regarding ur doubt within past months???(I am asking this cause ur comment is pretty much old) if u have then pls share about it.. I am interested in ur doubt and idea of innovation..

    • @harisiqbal4091
      @harisiqbal4091 3 роки тому +1

      Prathamesh Dand yeah dear the efficiency must be enhanced as air can infiltrate through pours in porous fins

    • @prathameshdand4418
      @prathameshdand4418 3 роки тому

      @@harisiqbal4091 ok 👍.. but pls tell me about effect of area... As by making it porous I think we are reducing the area by many small holes and I think it cause in reduction in heat transfer... (as Heat loss is proportional to area exposed).. pls answer about my doubt

    • @harisiqbal4091
      @harisiqbal4091 3 роки тому

      Prathamesh Dand can i have ur Email

    • @prathameshdand4418
      @prathameshdand4418 3 роки тому +1

      @@harisiqbal4091 will u contact me on instagram pls???

  • @iamzed2009
    @iamzed2009 6 років тому

    sir why it is one dimensional heat conduction in fin material while it is transferring in y and z direction too?

    • @nitindabas2825
      @nitindabas2825 6 років тому +2

      abhishek verma because the thickness is very small as compare to width and length

  • @besafeall7251
    @besafeall7251 2 роки тому

    good lecture sir, but sound quality of the video should be improved.

  • @DeepakKumar-ro4vt
    @DeepakKumar-ro4vt 5 років тому

    Sir plz take medicne u r suffering from cold in cold wb envuronment.

  • @lotuswolf1518
    @lotuswolf1518 5 років тому +1

    How to tell the difference from the question whether the fin is short fin, insulated fin or infinite fin

    • @abhishekshukla2985
      @abhishekshukla2985 5 років тому

      Just check value of 'm*L'
      1- if mL>2.67 long or very long
      2- if mL

    • @prathameshdand4418
      @prathameshdand4418 3 роки тому

      @@abhishekshukla2985 hey bro can I trust this formula ?? I haven't found that in my textbook... From which book u got this formula???

    • @abhishekshukla2985
      @abhishekshukla2985 3 роки тому +1

      @@prathameshdand4418 yes. Just go through some questions. pK NAg

  • @AmanAman-bg8bl
    @AmanAman-bg8bl 3 роки тому

    Sound quality is a bit low

  • @footballupdates769
    @footballupdates769 4 роки тому +1

    i curiously want to know who was that guy whom he said to come and sit at 1st bench ,, lol

  • @ss_2939
    @ss_2939 10 місяців тому

    37:00

  • @Vaibhav16000
    @Vaibhav16000 6 років тому +3

    mere sare teacher pagal h ....inka lecture dek ke smjh me aa gya sab

    • @deep_7781
      @deep_7781 6 років тому

      वैभव शर्मा hahaha

  • @amitdayal6124
    @amitdayal6124 4 роки тому

    Rip legend of mechanical engineering

  • @zaferbozdag4297
    @zaferbozdag4297 6 років тому

    parti kur oy verelim be reis

  • @rhed321
    @rhed321 Рік тому

    There is only One God and HE bestows knowledge on whomever HE wills. Don't call HIS slaves God.

  • @guesswho-og2wv
    @guesswho-og2wv Місяць тому

    No doubt he is one the best teachers
    ever but his mistakes sometimes irritates me.. He keeps on making small mistakes which sometimes cause alot of confusion