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Thermodynamic solar kokua pumehana

Thermodynamics

ʻO ka mea maʻamau, ke noʻonoʻo ʻoe e pili ana i nā panela lā, e kiʻi ʻoe i nā photovoltaics solar (PV): nā panela i kau ʻia ma luna o kou hale a i ʻole ma kahi ākea a hoʻololi i ka lā i uila. Eia nō naʻe, hiki i nā panela lā ke wela, ʻo ia ka mea e hoʻohuli i ka lā i ka wela ma mua o ka uila. ʻO nā panela lā wela hoʻokahi ʻano o ka panela wela wela—i kapa ʻia hoʻi he ʻohi—e ʻokoʻa loa mai nā panela wela kahiko; ma kahi o ke koi ʻana i ka lā pololei, hiki i nā panela lā thermodynamic ke hana i ka mana mai ka wela i ka lewa.

 

Nā mea lawe nui

Hiki i nā panela lā Thermodynamic ke lawelawe ma ke ʻano he mea hōʻiliʻili a me ka evaporator i ka hoʻonui pololei ʻana i nā pā wela kōkua solar (SAHPs)

Hoʻomoʻa lākou i ka wela mai ka lā a me ka ea a puni, a ʻaʻole pono lākou i ka lā pololei, ʻoiai ʻaʻole lākou e hana maikaʻi i nā piʻi anuanu.

Pono nā hoʻāʻo hou aʻe e loiloi i ka hana ʻana o nā panela lā thermodynamic i nā piʻi anuanu

ʻOiai kaulana loa nā panela solar thermodynamic ma ʻEulopa, ke hoʻomaka nei kekahi e paʻi i ka mākeke ma ʻAmelika Hui Pū ʻIa

 

Pehea ka hana ʻana o ka paila wela i kōkua ʻia e ka lā?

Hoʻohana nā SAHP i ka ikehu wela mai ka lā a me nā paila wela e hana i ka wela. ʻOiai hiki iā ʻoe ke hoʻonohonoho i kēia mau ʻōnaehana ma nā ʻano ʻano like ʻole, ua hoʻokomo mau lākou i ʻelima mau mea nui: ʻohi, evaporator, compressor, thermal expansion valve, a me kahi pahu hoʻololi wela.

 

He aha nā panela lā thermodynamic? Pehea lākou e hana ai?

ʻO nā panela solar Thermodynamic kekahi mau ʻāpana o kekahi mau pahū wela i kōkua ʻia e ka lā (SAHP), kahi e lawelawe ai lākou ma ke ʻano he ʻohi, hoʻomehana i ka mea hoʻoheheʻe anuanu. Ma ka hoʻonui pololei ʻana i nā SAHP, lawelawe pū lākou ma ke ʻano he evaporator: ʻoiai e holo pololei ana ka refrigerant ma o kahi panela solar thermodynamic a hoʻopaʻa i ka wela, e hoʻoheheʻe ʻia, e huli ana mai kahi wai i ke kinoea. Hele ke kinoea i loko o ka mea hoʻomākaʻi ma kahi i kaomi ʻia, a ma hope i kahi pahu hoʻololi wela, kahi e wela ai kou wai.

 

ʻAʻole like me nā photovoltaics a i ʻole nā ​​​​panana lā wela maʻamau, ʻaʻole pono e waiho ʻia nā panela lā thermodynamic i ka lā piha. Lawe lākou i ka wela mai ka lā pololei, akā hiki ke huki i ka wela mai ka ea ambient. No laila, ʻoiai ua manaʻo ʻia nā panela lā thermodynamic he mau panela lā, ua like lākou i kekahi mau ʻano me nā puna wela kumu ea. Hiki ke kau ʻia nā panela lā Thermodynamic i nā hale a i ʻole nā ​​paia, i ka lā piha a i ʻole i ka malu holoʻokoʻa-ʻo ka ʻōlelo hōʻike ma ʻaneʻi inā e noho ʻoe i kahi anuanu, e hana maikaʻi loa lākou i ka lā piha no ka mea ʻaʻole mahana ka ea o ka ea. lawa no ka hoʻokō ʻana i kāu pono wela.

 

Pehea ka wai wela o ka lā?

Hoʻohana nā ʻōnaehana wai wela o ka lā i nā mea hōʻiliʻili kuʻuna, hiki iā ia ke hoʻomaʻamaʻa i kahi pahu hau, e like me nā panela lā thermodynamic, a i ʻole ka wai pololei. Pono kēia mau ʻohi ʻohi i ka lā piha, a hiki i ka mea hoʻoheheʻe a i ʻole ka wai ke neʻe i loko o ka ʻōnaehana me ka passively ma o ka gravity, a i ʻole ma o ka pauma mana. ʻOi aku ka maikaʻi o nā SAHP no ka mea ua hoʻokomo lākou i kahi mea hoʻoheheʻe, e kaomi a hoʻopaʻa i ka wela i loko o ka mea hoʻoheheʻe kinoea, a no ka mea aia lākou i kahi pahu hoʻololi wela, kahi e hoʻoponopono ai i ka holo ʻana o ka mea hoʻoheheʻe ma o ka evaporator - hiki ke lilo i panela lā thermodynamic. -e hoʻonui i ka ikehu puka.

 

Pehea ka hana ʻana o nā panela lā thermodynamic?

ʻAʻole like me nā ʻōnaehana wai wela o ka lā, ʻaʻole i hoʻāʻo maikaʻi ʻia nā panela solar thermodynamic. Ma 2014, hoʻokahi keʻena kūʻokoʻa kūʻokoʻa, Narec Distributed Energy, i hana i nā hoʻokolohua ma Blyth, United Kingdom e hoʻoholo ai i ka pono o nā panela solar thermodynamic. He anuanu maikaʻi ʻo Blyth me ka ua nui a ua holo nā hoʻokolohua mai Ianuali a Iulai.

 

Ua hōʻike nā hopena i ka helu o ka hana, a i ʻole COP, o ka ʻōnaehana SAHP thermodynamic he 2.2 (ke helu ʻoe i ka wela i nalowale mai ka pahu hoʻololi wela). Manaʻo maʻamau ka maikaʻi loa o nā pamu wela ke loaʻa nā COP ma luna o 3.0. Eia nō naʻe, ʻoiai ua hōʻike ʻia kēia haʻawina, i ka makahiki 2014, ʻaʻole maikaʻi loa nā panela solar thermodynamic i kahi anuanu, hiki iā lākou ke hana maikaʻi i nā piʻi wela. Eia kekahi, i ka hoʻomau ʻana o ka ʻenehana, pono paha nā panela solar thermodynamic i kahi noiʻi hoʻāʻo kūʻokoʻa hou.

 

Pehea e loiloi ai i ka pono o nā ʻumehana kōkua lā

Ma mua o ke koho ʻana i kahi SAHP, pono ʻoe e hoʻohālikelike i ka Coefficient of Performance (COP) o nā ʻōnaehana like ʻole. ʻO ka COP kahi ana o ka pono o ka paila wela e pili ana i ka ratio o ka wela pono i hana ʻia i hoʻohālikelike ʻia me kāna hoʻokomo ikehu. Ua like nā COP kiʻekiʻe me nā SAHP ʻoi aku ka maikaʻi a me nā kumukūʻai hana haʻahaʻa. ʻOiai ʻo ka COP kiʻekiʻe loa e hiki ke loaʻa i kekahi pauma wela he 4.5, manaʻo ʻia nā pā wela me nā COP ma luna o 3.0.


Ka manawa hoʻouna: Iulai-19-2022