Projeto Sistema de Potência a Vapor

8
PARTE 1 : planta de vapor com um regenerador aberto e outro fechado, turbina de dois estágios, reaquecimento e três bombas. {Dados de entrada} T_5 = 220 [C] T_9 = 600 [C] T_11 = 600 [C] P_9 = 14 [Mpa] P_10 = 4 [Mpa] P_12 = 0,5 [Mpa] P_13 = 0,01 [Mpa] x_6 = 0 eta_t = 0,8 eta_b = 0,7 m_dot = 120 [kg/s] {Hipóteses para o ciclo} x_1 = 0

description

Trabalho da Disciplina de Sistema de Potência a Vapor. Engenharia Mecânica.

Transcript of Projeto Sistema de Potência a Vapor

PARTE 1: planta de vapor com um regenerador aberto e outro fechado, turbina de dois estgios, reaquecimento e trs bombas.{Dados de entrada}T_ ! ""# $%&T_' ! (## $%&T_)) ! (## $%&*_' ! )+ $,pa&*_)# ! + $,pa&*_)" ! #, $,pa&*_)- ! #,#) $,pa&._( ! #eta_t ! #,/eta_b ! #,0m_dot ! )"# $1g2s&{3ip4teses para o ciclo}._) ! #._- ! #{*ress5es do sistema ! + no total}*_" ! *_)"*_- ! *_)"*_( ! *_)#*_)) ! *_)#*_) ! *_)-*_+ ! *_'*_ ! *_'*_0 ! *_'*_/ ! *_'{*onto '}h_' ! 6nthalp789team:T!T_':*!*_';s_' ! 6ntrop789team:T!T_':*!*_';{*onto )#}s_)#s ! s_'h_)#s ! 6nthalp789team:s!s_)#s:*!*_)#;eta_t ! 8 h_' < h_)# ;28 h_' < h_)#s ;T_)# !Temperature89team:h!h_)#:*!*_)#;s_)# ! 6ntrop789team:h!h_)#:*!*_)#;{*onto ))}h_)) ! 6nthalp789team:T!T_)):*!*_));s_)) ! 6ntrop789team:T!T_)):*!*_));{*onto )"}s_)"s ! s_))h_)"s ! 6nthalp789team:s!s_)"s:*!*_)";eta_t ! 8 h_)) < h_)" ;28 h_)) < h_)"s ;T_)" !Temperature89team:h!h_)":*!*_)";s_)" ! 6ntrop789team:h!h_)":*!*_)";{*onto )-}s_)-s ! s_)"h_)-s ! 6nthalp789team:s!s_)-s:*!*_)-;eta_t ! 8 h_)" < h_)- ;28 h_)" < h_)-s ;T_)- !Temperature89team:h!h_)-:*!*_)-;s_)- ! 6ntrop789team:h!h_)-:*!*_)-;{*onto )}h_) ! 6nthalp789team:.!._):*!*_);s_) ! 6ntrop789team:h!h_):*!*_);T_) !Temperature89team:h!h_):*!*_);{*onto "}s_"s ! s_)h_"s ! 6nthalp789team:s!s_"s:*!*_";eta_b ! 8 h_"s < h_) ;28 h_" < h_) ;T_" !Temperature89team:h!h_":*!*_";s_" ! 6ntrop789team:h!h_":*!*_";{*onto -}h_- ! 6nthalp789team:.!._-:*!*_-;s_- ! 6ntrop789team:h!h_-:*!*_-;T_- !Temperature89team:h!h_-:*!*_-;{*onto +}s_+s ! s_-h_+s ! 6nthalp789team:s!s_+s:*!*_+;eta_b ! 8 h_+s < h_- ;28 h_+ < h_- ;T_+ !Temperature89team:h!h_+:*!*_+;s_+ ! 6ntrop789team:h!h_+:*!*_+;{*onto }h_ ! 6nthalp789team:T!T_:*!*_;s_ ! 6ntrop789team:h!h_:*!*_;{*onto (}h_( ! 6nthalp789team:.!._(:*!*_(;s_( ! 6ntrop789team:h!h_(:*!*_(;T_( !Temperature89team:h!h_(:*!*_(;{*onto 0}s_0s ! s_(h_0s ! 6nthalp789team:s!s_0s:*!*_0;eta_b ! 8 h_0s < h_( ;28 h_0 < h_( ;T_0 !Temperature89team:h!h_0:*!*_0;s_0 ! 6ntrop789team:h!h_0:*!*_0;{=alan>o de energia nos regeneradores}7_)?8h_)# < h_(; @ 8) < 7_);?8h_+ < h_; ! #7_"?h_)" @ 8) < 7_) < 7_";?h_" < 8) < 7_);?h_- ! #{=alan>o de energia na camara de mistura}8) < 7_);?h_ @ 7_)?h_0 < h_/ ! #{*onto /}s_/ ! 6ntrop789team:h!h_/:*!*_/;T_/ !Temperature89team:h!h_/:*!*_/;{Aqui, todos os pontos estBo termodinamicamente deCnidos}{DaE5es mssicas em cada ponto}m_dot_' ! m_dotm_dot_)# ! 7_)?m_dotm_dot_)) ! 8) < 7_);?m_dotm_dot_)" ! 7_"?m_dotm_dot_)- ! 8) < 7_) < 7_";?m_dotm_dot_) ! 8) < 7_) < 7_";?m_dotm_dot_" ! 8) < 7_) < 7_";?m_dotm_dot_- ! 8) < 7_);?m_dotm_dot_+ ! 8) < 7_);?m_dotm_dot_ ! 8) < 7_);?m_dotm_dot_( ! 7_)?m_dotm_dot_0 ! 7_)?m_dotm_dot_/ ! m_dot{Trabalho da turbina}F_dot_t ! m_dot?8 8h_' < h_)#; @ 8) < 7_);?8h_)) < h_)"; @ 8) < 7_) < 7_";?8h_)" < h_)-; ;{%alor que sai no condensador}G_dot_out ! m_dot?8) < 7_) < 7_";?8h_)- < h_);{%alor que entra na caldeira}G_dot_in ! m_dot?8 8h_' < h_/; @ 8) < 7_);?8h_)) < h_)#; ;{Trabalho das bombas}F_dot_b ! m_dot?88) < 7_) < 7_";?8h_" < h_); @8) < 7_);?8h_+ < h_-; @ 7_)?8h_0 < h_(; ;{Trabalho Htil}F_dot_util ! F_dot_t < F_dot_b{6Ccincia}eta ! ) < G_dot_out2G_dot_in{=FI}bJr ! F_dot_b2F_dot_t{=alan>o de energia no sistema. 9e igual a Eero, KL}ver ! G_dot_in @ F_dot_b < F_dot_t < G_dot_outIesultados:PontoTemperatura[oC]Presso[MPa]Entalpia[kJ/kg]Vazo mssia[kg/s]Entropia[kJ/kg!]1 +,/" #,#) )'),/ /','0 #,(+'-" +,// #, )'", /','0 #,(+''# )),' #, (+#,+ )#(,) ),/()$ )+,/ )+ ((),+ )#(,) ),/0(% ""# )+ '+0 )#(,) ",+'0& "#,+ + )#/0 )-,'+ ",0'(' "+,) )+ ))# )-,'+ ",/#(( ""+ )+ '(,+ )"# ",-+) (## )+ -'# )"# (,0)(1* +"#,) + -"() )-,'+ (,/-/11 (## + -(0+ )#(,) 0,-('1" --',+ #, -)+ )(,#' 0,'01# +,/" #,#) " /','0 /,#'PARTE ": trocador de calor com ambos os Muidos nBo misturados.{Dados}m_dot_q ! (, $1g2s&m_dot_f ! (," $1g2s&T_q_ent ! 0## $L&T_f_ent ! -## $L&T_f_sai ! ## $L&cp ! )#+# $N21g