Termodinamica 1

K

fruce-frus

Mal = Lidd

con Liod=

Li

K RT. (p.

K-1

-1) = 283709, 6125 Jike

K-1

Li * = 466989, 424

Nod = (0,60752889

Pa = Gli (296 944,362.

29

# #TD_ 17/02/2023 ##

De=013m Aza G.F. subsonico

But m = 1,32

As = 17,7 J/rgk [G= 5,060 140/S; T = 543,6K; M = 0,841; D = 10,91]

M = C C = 203,309 m/s

SKAT

G= &A= P C D ($060ng/s)

RTL

C

G = P C TD

4

RT

AS = K Rei T-RG (1) () = AS/KR_RM

K-1

M =

!

KRT

08413

CONDOTTO ADIABATICO N=23.

P = 3,2360 M = 0414

2T1 = 600 K

D = G (T R)

VE

TUD? ?

4

Tº = TL + 620,5675. K

T = T2/4+ K= CZ

2 KRTI

T = T expl 1) = (543,6K)

M-1

Tôi T o

C = (T0-7 ) 24p

= 0,109058 m = (10,91 an

P2 / (2

2 P . = P ( 12 ) = 2, 14,95bon

= 333,295798,

ay

#TC_17/05/2023 # #

2-3 ISOTERMA

REVERSIBILE

#

{P = 1box

T = 290 K

~ P2 = 5Lor

7=985

REDM

ISENT

4-2

3-4 TURBINA → y = 0.85

Im = 1,326 ; P = 8,397b0z; AS23 = 53-52 = - 0148917; L = [L = 72,82 KJ ]

KK/

(Li). = c(T2 T ) = 170124 065 5/16

T

is

This = T1 (459,308 K

T2 = T3

12 Li = Lied = 200 143, 196 J/kg •

T = L; + T = 439, 1991 = T3

1

nyc

=

K m-1

→m=

K-L

m

D

m

12

P3

P

- K

K-L

= 1,3257

326

K-I

P

P3

→P3 = 8,379 boz,

T3

15=

Rem

23 = -148,9115 1 =

01489 KJ

1-2) Li = c(T2-T ) = 200 145 J/Kg

31) (4 CKCT-T2) - Ai = -1/ JIKO EL = (72,84 KJ/Kg

2-3) Isotama

Li= RT en (31) = 72844J/kg

## TERMOD - 23/09/2019

R=237 1 J/1 K=1 4

Sap=

SCP = K R = 1004, as

+ R = 717,75

| cv = 1/ +

AS12 = 49, 48 1.

My = Li_Lw

1-2 IRREV LW 70 compressione Adudcatica, politopice A

se JEC = Q

Li-Lw= m K-

m-1

K

1

SP = Ita

| T = 2881

Li

23 = 66 17114 ; Tmax = 413,9 K

Tas = di- vdp

dS = CRT _ / dy = cpdt -

CpdT

T

AS = colu(It) - Ren (P )

= 49,48 3/1gKk

Q

m

( Lizz - You" = m RT (123)

m-1

REV

m = ? ß m =

23

##

12

LitQez Aiza(32)

31 i sentropice m

AD. REV.

31 = EUL. =

m 1 DEC = Q

|

K

2ym K - Kyk = mk - m

2y mk -m k +mm = uy

nyk

Myk-K +1

3=

CICL TERMODINAMICO

1-2 Adudo. fazeu 2y = 0,302

@ B3 = 2,01

2-3 Refrig-Rev 12 = 4 8 S = S3

31 Adiab.

P3 = B 3 P = 3,618 bos

As x = Q> cp It - Reu B = []

Cu

13 P3

1 ->

1 ->

T2

P1

R dp

1

K RT

K-1

com

Liz3 = 66 176 J/ig = 66,17 K3/kp

(Li) out

k

= 1,553403

-S

P = 1 · P =

T2= Ti. (Po

P

KRT2 ( m

K-1

EUGER (2

MECC

-1

=

(m-1) emß = en (.m_) mm = enß

ma

3

PL

EVLER 1

TERU

-luc + luß

Lidt 31

• maz

$=53 3

2,01 60 = 2,01·10 Pa

= 128,5 K

iP

m-1

m = 369,323 K

• [Cp/T3-T ) +1=1 RT

KC RT = CP(T3-T ).

K-1

RT2

P

Twox

; T3 = T (Br) Ace (412,9)

Pi

c=1,126087463

+ 1

m=e1,25318

K RTB ((P4)* - 1 ] = 123 494,58 5|fe = (1,28,3 kJ/kg)

# # TERMOD: 06/11/2019

##

d = 20,1 cm = 0,201 m; Pa = 1 1602; e = x = 1m Ti = 350K.

; Tf = 436 K ; Ax = 24,56

P= 0,15 kW Fa 20s; Pf = 1, 1

J Pi = Pa

= 14ter

Per epl Pistone [pf = Pa= 1,160c

Vi= Ax = red . Xo = 0,031731m

·m = P.V =

RT:

0,034736kg A=09317311

IPTO LAG TERMICO

3000 J

[+ = AU=com (Tf-Ti)

[" = - Spav=p_(ve-vi) =_P_Tq A x

I = [ + [ = mcu (TP-Ti)

T&=

civ p? Axi -mcvrti -L'

R

- PA - CUPEA

PRA (Ax + xi) = 435,92 = 435,9 K

Rm

Noon Sistema Pé' > Pa

Pi = 1, 160c

Ti = 435,91

'Pf = Pe

Te• ?

=

L' - Pe Tud 4x = CU PP 1 A x + Cv PP Xxi - mcrti

4

R -(-3000)

R

+2999,9076.

30000924 = (24, 55 m

M = 0,0347 36 19

x = x i di prime = 1m

Riporto pistone a & oumentando la

TimTema fimdi Tf' = ?

• Tf = 473,98

[= AU=mcu (Te-Ti)

FORTE ADX = gncu TR - o cuti

Axf

Te'= - - CUT: / (RAE - CV) =

PiT || Pe

X

Petfi

P

X

> Te = Peve = Perd . (Ax + xi) *

4Rm

Pe

I=-Sp dv=p (V; - vp) = + P AAX com B = MRTR - MRTÉ

m

Vf

NO

NO

ATTIRITO

Volume diminuisc AV CO

e x = xf = xi +Ax = 1,2456 mu

ISOLATO

TERMICIM

A xf

Toof. Adubotica - Rev Iscentropice : quosi-statica = ideale

K

Pi Vi's Pe Vok

=

> Pf = P = Pi (vir ) K = P (xi) ^ = 149 597 P

G.P. Peve Tf = (475,98K

MR.

# # TERMOD_ 18/01/2019 # #

Pa = Abor COMPRESSIONE

IN

T = 2901 TURBOC

ARIA OM CICLO TD

m = 1,451

T3=T =290K REFRIG. IDEALE

Poi

RISCALD. ISOBAR TS

P = 5,36ar | COMPRESSIONE ISENTROP. Pl. = 32,05 boy ESPAND. ADIAB 1 =9,85

Cod

P

Q23 = 214,8 1 5/150 ; T3 = 622,8 k; Recipus = 39,99 kJ/kg ; Lc = -60,93 kJ/kg fins a

Espansione

256 -

REFRIG

T

K = 4 4 ; R = 2 87,1 µ JHCK SCP= I R = 1004, 85 sligk

K-1

CU = AR = 717,75 J/K K

T3=290k

T = T P2

Pj

m

m = 500,826 K

I PTD EULER. TERMIO

Ki + Qe = si + Fém

Q = Cp (T3 - T ) = (-211,849 15/19

Qe

2 = ([idtt) is Tros! 5-6 com

5-6is Tof. ISENTROPICA

[PG = PG is = P = 1ton

P5 = P4 = 32,0360

I = (Ps

Tois

16.=

T

is

R 56 = ? Litt = Liett. +. Lw - R..

4

Pois

2

m

T5=? ¡SOBARA P4=P3 poidic Aue gas perfetto PV = RT

3-4 iszutagprica Th= T3 (24) 2 ian 2-3 isuntiopica P3. = P2 (12) 1-1 = 0,35687464

K

T4 = 816, 2036 K

3

& DIAB

T54-T6nd6 =TS-76

flList - e =-Ai = Cp (T5-T6) ; 1= Is - T6

Riot = - Dis =

TS-T6 is

34

5

6is

P

T615 = T6-13 + T5

Zod

# # TERMOD_ 07/11/2018 # #

<=6000 N/m

d = 0,201m = l = 1,5m (molle trazione) ^x=

P = 1601

Ta = 310K

-

4 = Td = 0,0317309 m

4

Vi = A. Xi=00 4759635m. .

P.A

.FK

Ti = 330K

PV=MRT

P = ? EQL, PISTINE

L

Mi

POA

- Pi Vi = 0,06020 1

RTi

12 = 25 12 = 2^x

0,105m Pe= ? LPISTONS = ? AS = ?

ARIA g.P.

1 SDR =' dV>o ho Q>0 (Ie fluido comple Buro)

edx->dV 0 DESTRA X

FKE

Q = ? Log. Temico

L + Q = m AU = mc (Tf-Ti) = -6057,36

[VR = Axe = 0,040932861 ; T = R V = 189,311

Tf Pf Vf

K

MR

Pi

www

Ti

Q = ([+Q) - [ = -6723 5

J

TO Poiché Ve-Vi

Qe= -Q

e=xi

Xox!

Xo<xi

x2

A Pi>Pe -> Scalpo verso positivo Fx (simistra) per equilibrone

-Fi + FK + Fest = Q ; -P A + K (xi-x0) + PA = Ø Pi = K (x -Xo) + Pe

Xo = Xi - Ax = 1,395 Pi = 119.854, 4636 Pascal = 1,1985 45 60 > Pa

LA FORZA ELASTICA É POS SE VERSO SINISTRA A

D

xp = x = 2^x = 1,29m -> x£ < xo. cioè la malle e' im compressime

•Losaic FK mal suo vauso positivo os! dipende tuTTO X X

Ff

=- A(XR -xi) — 13 [(XR -x) – (x - x0) ] = +666 J

- k

2

9

Pe Pa

Pe > W

7

Ta

TR

origine

SDR

Tols = dQQ + d you

Lze Mack

Vf

L-4 0 = - pdv = - + Pe + K (x-xo) dV com dV= dx A e {V =XiA

1/2 Zvi=xi

=X&A

NO AT

"Fest - Ff÷ F +Fest = Q; P £ A÷K(X1 - x0) + P A = 10

PR = K (x -x ) + R| = 80145,536376= 6801 4553637 bon

Ta

l'=e-se

xf

xf-x

L = - ^*^* e A dx - 1 (x - x0) dx =-P_A[x -x ] - [ ^ K (x-xo) d (x-x )

Pa

Xi

x - xo

XB-x.= 0,2

xi - xo 29199

+

As = M (la T £. cp + Raive.)

Vi

Ti

Ase = Qe/T =...

' As? Tas = dº + pola.com {=MR

AL

CPAT

Pdv

RdV

Binte ds = cor. Lov = M(CRAT +Rav)

+

M/