Jan/Feb
Transcription
Jan/Feb
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2013 Optical design: the control of light An understanding of optics as key to understanding lighting. Chris Wilkes of Holophane discusses the fundamentals, the pros and cons of LOR or UF, and designing with new technologies such as LEDs. Lighting for TV broadcasting An area that has come under scrutiny with new developments in camera technology and production techniques. Mike Simpson of Philips Lighting outlines new proposed TV lighting standards and explains how to meet them. +RZODVHUOLJKWZRUNVIRUJHQHUDOOLJKWLQJ EHH[SODLQHGDVWKHDGGLWLRQDOHQHUJ\ZDVEHLQJGUDZQIURP WKHDPELHQWKHDWRIWKHVXUURXQGLQJPDWHULDO 2UJDQLF/('V2/('VKDYHEHHQDKRWWRSLFRI FRQYHUVDWLRQUHFHQWO\ZLWKWKHZRUOG¶V¿UVWµEHQG\¶PRELOH SKRQHVGXHIRUODXQFKWKLV\HDU+RZHYHUWKHXVHRI2/('V LQJHQHUDOOLJKWLQJLVVWLOOQRWWKHUH\HWDQGWKHLUDSSOLFDWLRQ VHHPVWREHOLPLWHGWRDIHZYHU\H[SHQVLYHFKDQGHOLHUV H[KLELWHGDW/LJKWDQG%XLOGLQJLQ)UDQNIXUWHDUOLHUODVW\HDU 7KHGHVLJQSRVVLELOLWLHVRIÀH[LEOHSDQHOVRIOLJKWDUHFOHDUO\ LQWULJXLQJDQGWKHIRUHFDVWHGSHUIRUPDQFHDQGFRVWGDWDIRU 2/('VDUHYHU\LQWHUHVWLQJ%\ZHVKRXOGVHHOLIHWLPHV /LQH[FHVVRIKRXUVDQGOXPLQRXVHI¿FDFLHV RIPRUHWKDQOP:7KHFRVWRI2/('VLVSUHGLFWHG WRUHGXFHE\SHUFHQW\HDURQ\HDUZLWKDSHUFHQW UHGXFWLRQEHWZHHQQRZDQG7KHFRPELQDWLRQRIWKHVH IDFWRUVFRXOGVHH2/('VEHFRPHDZLGHVSUHDGOLJKWVRXUFH LQWKHZRUNSODFHRIWKHIXWXUH :KDWRWKHUIXWXUHWHFKQRORJLHVFRXOGLQÀXHQFH ZRUNSODFHOLJKWLQJ"6DQGLD1DWLRQDO/DERUDWRULHVKDVEHHQ H[SHULPHQWLQJZLWKDZKLWHODVHUZKHUHIRXUFRORXUVDUH PL[HGWKURXJKRSWLFVDQGGLIIXVHUVEHIRUHLOOXPLQDWLQJDQ REMHFW7KHHI¿FLHQF\RIWKHGLRGHODVHULPSURYHVDWKLJKHU FXUUHQWVSURYLGLQJHYHQPRUHOLJKWWKDQ/('VDWKLJKHU DPSHUDJHV:KLOHWKHUHZDVFRQFHUQWKDWWKHOLJKWZRXOG EHWRRKDUVK6DQGLD¶VUHVHDUFKVKRZHGWKDWVWDWLVWLFDOO\ SHRSOHKDGQRSUHIHUHQFHEHWZHHQWKHTXDOLWLHVRIODVHU OLJKWDQG/('OLJKWZKHQLWZDVXVHGWRLOOXPLQDWHDERZORI IUXLW6RPHPD\DUJXHWKDWEHLQJDVJRRGDV/('OLJKWLVQRW QHFHVVDULO\VRPHWKLQJWRERDVWDERXWEXWLWVKRZVWKDWWKH ODVHUWHFKQRORJ\LVZRUWKLQYHVWLQJLQIRUIXUWKHUUHVHDUFK %0:KDVDOVRORRNHGDWODVHUKHDGOLJKWVDVDFRQFHSW DQGIRXQGWKDWWKH\RIIHULQFUHDVHGHI¿FDF\RYHU/('VDW XSWROP:ZLWKQRGURSRIILQSHUIRUPDQFHZKHQUXQ DWKLJKHURXWSXWV)RUWXQDWHO\WKHODVHUVDUH¿UHGRQWRD SKRVSKRUFRDWLQJUDWKHUWKDQGLUHFWO\RXWRIWKHKHDGOLJKWWR UHGXFHWKHULVNRIUHWLQDOGDPDJHIRURWKHUURDGXVHUV 7KHUHKDYHEHHQFRQVLGHUDEOHVKLIWVLQWKLQNLQJLQUHFHQW \HDUVZKHQLWFRPHVWRZRUNSODFHOLJKWLQJ±WKHLQWURGXFWLRQ RI%6(1LQLVDVLJQL¿FDQWUHÀHFWLRQRIWKRVH FKDQJHV±EXWWKHUHLVQRGRXEWWKDWWKHUDSLGDQGUDGLFDO GHYHORSPHQWVLQWHFKQRORJ\ZLOODOVRSOD\DPDMRUUROHLQWKH HYROXWLRQRIWKHRI¿FHHQYLURQPHQWQ 'XQFDQ$EERWWLVWHFKQLFDONH\DFFRXQWVPDQDJHURI :LOD/LJKWLQJ New light, new code, new approach When looking ‘beyond the code’ to light offices, the way that lighting at the design stage has been traditionally approached has to be questioned. The current building model limits some aspects that might allow us to light offices in the most efficient and people-friendly way. Helen Loomes of Trilux looks at case studies for practical solutions. Taking control of energy Kevin Stubbs of Thorn Lighting discusses the fundamentals of tackling lighting and energy. How do we balance lighting levels and comfort against energy? How do we achieve through-life sustainability? What are the best ways to select energy efficient lighting? Beyond the Code: workplace lighting The concept of the working plane has gone, so how do we design to achieve good workplace lighting in the real world? 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